Outboard Rough Idle

I have a 1993 mercury 25hp that im having an issue with. It seems to correct itself after it is warmed up and will run good at all RPM’s until it is shut off for any length of time. This INSTANT REPAIR MANUAL DOWNLOAD for the Mercury-Mariner, Johnson-Evinrude, Suzuki, Honda, Yamaha 70 HP outboard engines were designed primarily for factory service 70 HP outboard technicians in a properly equipped shop. Alarm beeping on mercury efi 150 outboard. Very rough idle with a repetitive cycle that is smooth for a couple of seconds then misses badly, occasionally stalling. Submerging the exhaust will cause excessive smoke and rough idle. I will start at the beginning. This past weekend while fishing the LSR Challenge, my main engine started running rough while trolling. Tohatsu outboard problems Been thinking about Tohatsu 9. If it idles rough, and restarts easily without the primer after a 5 minute cool down- then it's rich. 5 liters all have the same bolt pattern at the bottom and will techically interchange, but with differences in exhaust size other changes would be needed, specifically the plates at the top of the mid, or in the case of the high perf stuff, the one piece plate. We offer Mercury & Mercruiser products at lowest prices with superior service. Top 10 Causes of a Rough Idle 1. suzuki 50 hp 2000 drops cylinder pressure runs rough; suzuki outboard motor gas and oil ratios 2004 50hp; four stroke 50hp suzuki motor stalls at idle when running hot; suzuki 50 outboard power tilt fluid; how to adjust air/fuel ration on suzuki outboard 50 hp; how to adjust idle on suzuki df50 outboard; how to change oil in lower unit suzuki 50hp. 2001 40hp tohatsu outboard valve adjustment specs. While the boat is in neutral, I can rev the engine up to 5-6000 Rpm, sounds perfect. These lightweight 40hp and 50hp outboard motors are ideal for flats, bay boats, inflatables, fishing boats, and pontoons. Outboard quits and cannot be restarted 8. Whether performing maintenance or complete engine overhaul to the 175hp engine, this downloadable 175hp repair manual covers it all. Outboard runs rough 7. FourStroke outboards are built for any body of water and a wide variety of boats. Whether performing basic maintenance or complete engine overhaul, this downloadable 8hp repair manual covers it all. I just found this board and have been lurking reading what looks like great advice. 1989 Yamaha 130hp wont stay running at idle. These idle mixture adjustment tuning procedures apply the Mercury outboards manufactured between 1965 thru 1989—specifically 45-HP to 115-HP models. It is your low idle adjustment. And it will not go above 2200 rpm, and seems to want to shake the engines right off the engine mounts when I push the throttles up that far. 70 johnson idle very rough dies when at. June 2011 in Boating #1. 15hp mariner outboard runs rough. PROBLEM: The engine stalls in neutral, at idle, only. 1973 johnson 25 hp outboard idle adjustments. 1974 evinrude 25 hp repair manual. The idle jet is in a little tunnel on the side of. 84' Mercury 2. Manuals contain step-by-step repair procedures, illustrations, pictures and advanced troubleshooting. For carburetor adjustments to these motors, the repair manual suggests to loosen the idle screw to 1 1/4 turn out. Hey, anybody have suggestions for fixing my outboard? It is a 1995 130 hp Evinrude and it seems to be having a rough idle problem. Relationship between temperature and running OK, rough idle at start and missing which clears itself, all point to fuel air mix too rich. 9 outboard idle problems mercury 9. Carb adjustment 1989 mercury pro hauler wiring diagram mercury 9. When an outboard motor runs at speed but cannot hold an idle, it usually indicates a problem with the carburetor. 5hp johnson outboard. Manule maintencance 25 hp johnston running rough 25 hp mairiner 4 stroke dies when put into gear 25 hp mariner outboard manual 25 hp mercury idle and lean mixture screws 25 hp mercury mixture and idle setting 25 hp 2013 mercury outboard 25 hp mercury outboard reverse repair 25 hp suzuki outboard want pump gas 25 hp suzuki wiring 25 hp yamaha 2. Pro-Drive Outboards Are Gear Driven. Tohatsu outboard problems Been thinking about Tohatsu 9. 8 merc that just started running rough. The boat is in pristine condition with very low hours. 5-10" and the driver's side idle screw does nothing from closed off to 4 turns open, so I left it at 1 turn out. 2006 Optimax Rough Idle Problem. 1983 mercury 35 hp Not rated yet I have 1983 mercury outboard 35hp, in idle speed will push the boat, but as soon i put it in full throttle it just rev up the motor and would not pushes … 2002 50 hp mercury runs slow but dies when trying to accelarate Not rated yet have a 2002 50 hp mercury outboard. Last Post: Model number look up. 3 hp outboard what is the piston/cylinder clearance on a 1996. Does he really have to invest in a workshop manual for such a trivial. Does everything an outboard should, except stable idling. The car idles rough when in any gear but park and neutral. There are other possibilities depending on the year. Cleaning out the carburetor to remove carbon deposits is probably a good place to start. For that, check out the other link about Honda idle issues. 84' Mercury 2. I only have a few hours on it and today, while I had it out and shifted into neutral, the engine stalled and wouldn’t restart. Only problem is the low idle, it always has a tendency to cut /stall out (even after changing the VRO pump). This INSTANT DOWNLOAD 4 horsepower Mercury, Mariner, Yamaha, Suzuki, Johnson and Evinrude outboard engine repair manual was designed for do-it-yourself mechanics and factory trained technicians. You may have to register before you can post: click the register link above to proceed. Adjust idle timing adjustment screw (a) to align the 6° B. I first suspected fuel related and chan. a 23970 a a - Timing Pointer. Vapor lock Any type of anti-siphon device must be located between the outboard fuel inlet and fuel tank outlet. Top 10 Causes of a Rough Idle 1. 9 outboard with a remote mercury 3. We talked to guys at a marina and we ended up buying a new fuel line and filter, because if you have cracks in your fuel line air will get in and it won't suck the gas as well. Rough Idle Outboard Technical Discussion. This INSTANT DOWNLOAD 4 horsepower Mercury, Mariner, Yamaha, Suzuki, Johnson and Evinrude outboard engine repair manual was designed for do-it-yourself mechanics and factory trained technicians. Different owners seem to describe this problem using a variety of expressions. This is the most common cause of an idle issue on Honda's. We tried to see if it would run and we could not even get the boat to plane. the engine runs great at everything but idle. To start viewing messages, select the forum that you want to visit from the selection below. DFI Tracker Valve/Diaphram The Tracker Valve is mounted on the Starboard. As it runs at idle speed, the priming bulb goes soft as well, but I'm not sure wheteher that is actually normal or not. Hi guys hope you can help. After rebuilding these carburetors I still had a rough idle. Hi, New here form Australia! I purchased a boat with a 2005 - 225HP etec. Hi, I own a 07 115 evinrude etec that has been acting up lately. I bought this 17 boston whaler with a 96 70 hp Johnson seahorse last year. 40HP Johnson Rough Idle. it is a simple, 2 minute fix and you can do it on the water. php(143) : runtime-created function(1) : eval()'d code(156) : runtime-created. Honda power equipment outboard motor owner's manual. 2001 40hp tohatsu outboard valve adjustment specs. These engines have a history of piston failure, usually no. It didn't make much difference. 1996 mariner 25 hp compression test 1997 25 hp yamaha idles to low and stalls 1998 25 hp evinrude rough idle 1998 25 hp yamaha 4 stroke trim tilt manual lever image 1966 25 hp suzuki shifting linkage 1968 suzuki 25 hp temperature sensor 1972 suzuki dt25 25 hp outboard service manual 1971 yamaha 25 hp timing 2000 25 hp mercury outboard accelerator pump leaking fuel 2001 25 hp mercury outboard. idle stabilizer on 1985 outboard 90 hp L6 idle stabilizer on 1985 outboard 90 hp L6. Whether performing basic maintenance or complete engine overhaul, this downloadable 8hp repair manual covers it all. The engine will run a lot colder. Outboard Motors For Sale. The mechanic says it is only running 5 of the 6 cylinders and the powerpack needs replacing. Hey, anybody have suggestions for fixing my outboard? It is a 1995 130 hp Evinrude and it seems to be having a rough idle problem. 6L V8 Reliability, flexibility, power and efficiency - all within your reach. 2006 Optimax Rough Idle Problem. Longer warm up doesn't seem to help. However, enough information in 90 horsepower outboard repair manuals is given for do-it-yourself or apprentice mechanics to correctly and safely perform. a 23970 a a - Timing Pointer. Some repair procedures in this Suzuki 115 hp outboard downloadable manual may require the use of special tools. Use with any 2- or 4-cycle outboard, inboard, or inboard/outboard motors Splash Guard protects your cap from rough waters; Item. 5 hp repair manual pdf download; mariner 3. In that case, the orifices would have to be changed accordingly. I've only had it out a few times. php(143) : runtime-created function(1) : eval()'d code(156) : runtime-created. 4L V6 and 4. These engines have a history of piston failure, usually no. Gear drives have been the proven choice for outboard motor manufacturers for over 100 years. Powerful, quiet and reliable, the 115hp outboard motor is ideal for pontoons and heavier mid-size boats. 70 johnson idle very rough dies when at. Carb adjustment 1989 mercury pro hauler wiring diagram mercury 9. DOWNLOAD 50HP Repair Manual Evinrude Mercury Yamaha Johnson Suzuki Mariner INSTANTLY DOWNLOAD a 50 horsepower outboard repair manual straight to your computer in seconds. Ever since I had it, it starts quite rough at a cold start when I am at the ramp. How to adjust controles on a 1979 mercury 35 hp outboard motor how to adjust idle on 1990 115hp eveinrude 2 stroke outboard mercury outboard motors 170hp idel screw location 2stroke johnson 1987 30 hp outboard lower unit diagram setting up idle screw on carburetor outboard where is the oil injection fail switch on a 2002 mercury 3. Max rpm's for the bad motor was 3000, not good. Also the idle has been getting a bit rough and sometimes when you step on the accelerator from a low speed you get nothing, almost like it has no fuel. 25 HP two stroke outboard running rough If this is your first visit, we invite to register a user account. It runs great at everything other than idle. Once it get it out of the slip and going forward {sommetimes dies shifting to forward also} it seems to run fine. This ignition system produces very high voltages and due care and caution must be practiced in working with it. The following information is presented for the use of MASTERTECH'S customers as a courtesy by CDI Electronics. The following information is presented for the use of MASTERTECH'S customers as a courtesy by CDI Electronics. will be installing on wide 14ft john boat any suggestions thanks. I have a 1997 Mercury 150 EFI outboard that I just bought. At forward idle, the Mercury’s vibration level at the driver’s seat is up to 50% lower than the Yamaha. When an outboard motor runs at speed but cannot hold an idle, it usually indicates a problem with the carburetor. It idles and runs fine when moving. Pro-Drive Outboards Are Gear Driven. However, I find it that the engine idles a bit rough and sometimes turns off when on idle. Ask the experts on our Suzuki Outboard Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more. In carburetted vehicles a similar device known as an idle speed control actuator is used. The rough idle can also because by a bad camshaft. Consult your owner's manual to check items that may be unique to your motor. Does anyone know what the cause and possible cure is for this problem. I bought a boat with a 2001 90hp mercury 2 stroke on friday. The idle jet is in a little tunnel on the side of. Welcome to the Internet's premier site for boat motors!This site is part of iboats. Whether performing maintenance or complete engine overhaul to the 6hp engine, this downloadable 6hp repair manual covers it all. its a three cylinder, tri-carb, 2-stroke. 8 hp rough engine operation torque specs for 1985 40 hp yamaha powerhead 1996 johnson 120 hp outboard repair manual yamaha 70 hp enrichment fuel pump parts what should compression be for 98 suzuki four stroke 50 ho john outboard 1r69c 1. The automatic idle speed motor is common to most fuel injected vehicles. At first, only I would notice the rough idle. Opening any of the outboard idle screws, even 1/2 turn, makes the idle to down, so I left all of them closed. 1972 johnson 50 hp outboard wont idle; 50 hp johnson outboard wont start is starter; evinrude how to replace 50 hp outboard temperature sensor; johnson 50 hp outboard running rough; johnson 50 hp outboard won't start; manuals mercury 50 hp efi 2003 four stroke; 1965 mercury 50 hp outboard how to change water pump; 1970 mercury 50 hp outboard. I replaced fuel filters, visually inspected fuel lines and connections and checked spark plugs. Powerful, quiet and reliable, the 115hp outboard motor is ideal for pontoons and heavier mid-size boats. DOWNLOAD 15HP Outboard Repair Manual Mercury Yamaha Johnson Evinrude Suzuki Honda 117. I have seen this many times, guys putting around the lake with their outboard fully trimmed in, and the motor is smoking and running erratically. 12-01-2017, 05:07 PM My 1972 50HP Johnson runs well when underway but idles really rough, have tried to adjust mixtures on both carbies to no avail. 1996 tohatsu 40hp outboard head bolts. 84' Mercury 2. This fellow has Cancer which can no longer be treated and fishing is his passion in life. Does he really have to invest in a workshop manual for such a trivial. The Honda BF40 and BF50 are 4-stroke marine engines. 1986 mercury 70 hp 3 cylinder. The issues appears to be with the number one cylinder. 40HP Mercury outboard question/problem I have been having trouble keeping it running at idle. Model: Model/HP: Year: Outboard Water Pump Kit - 763736: 1. Whether performing maintenance or complete engine overhaul to the 175hp engine, this downloadable 175hp repair manual covers it all. It’s highly recommended to follow the idle mixture adjustment procedures in the factory repair manual. Finally at peace with my '95 Civic EX coupe after replacing PCV, checking coolant, vehicle speed sensor, FITV, NGK plugs, wires, Autozone Duralast Gold cap/rotor (real copper, make. DFI Tracker Valve/Diaphram The Tracker Valve is mounted on the Starboard. Outboard motor designs vary depending on make and model, but all operate on similar principles. When the lower unit is submerged, backpressure on the underwater exhaust will lower the idle speed. Get this INSTANT DOWNLOAD 3. See what others are asking about their Suzuki Vitara. 5 hp outboard rough running engine; suzuki dt3. 1974 evinrude 25 hp repair manual. Ever since I had it, it starts quite rough at a cold start when I am at the ramp. 1973 johnson 25 hp outboard idle adjustments. Whether performing maintenance or complete engine overhaul to the 6hp engine, this downloadable 6hp repair manual covers it all. SUBSCRIBE SUBSCRIBE ADD TO FAV ORTIES. I first suspected fuel related and chan. Honda power equipment outboard motor owner's manual. Again, the 3 liter and 3. 9; rough idle 2013 suzuki thl 9. Hi, New here form Australia! I purchased a boat with a 2005 - 225HP etec. any suggestions?. A downloadable version of the factory manual is available from this site. where is the fast idle switch on a 1992 50hp johnson outboard; evinrude 18 runs rough and is hard to start 1973 1990 Johnson Evinrude 2 to 40 HP Service. Manuals contain step-by-step repair procedures, illustrations, pictures and advanced troubleshooting. FourStroke outboards are built for any body of water and a wide variety of boats. I have a 1989 40 HP Johnson that runs great at anything over an idle speed. This happened both in and out of gear but only when the engine was still cold, idle returned to normal once normal op temp had been reached. mercury 70 hp idle issues kennebunkport maine; mercury 70 hp outboard rough idle; mercury 70 hp outboard set idle mixture; removing head cover yamaha 70 2 stroke outboard; suzuki 70df 2008 4 stroke beeps codes; yamaha 70 two stroke spark plugs; yamaha 70hp 2 stroke 3 cylinder repair manual; yamaha 70hp 2 stroke cylinder head block. This is the case on my bass boat as well. 1985 25 hp repair manual johnson 1986 25 hp rough idle johnson outboard motor 1987 25 hp manual free download johnson seahorse 1988 25 hp manual 1989 free johnson tracker 1990 25 hp hard to start when warm johnson tracker marine 1991 25 hp speciifications johson outboard 1992 25 hp maintenance tips jonhson outboard 1993 25 hp motor problems lower case drive unit schematic 2007 yamaha 1994 25. Posts: 5,822. php(143) : runtime-created function(1) : eval()'d code(156) : runtime-created. Individuals using this 9. 193): thanks Wrenchin i didnt think of a remote tank and will try that. When I got home with the muff's on I tried it again and it worked fine. Johnson - Evinrude Service Manual Application: Outboard & Sea Drive (Sea Drives) For 48 50 55 60 65 70 75 85 88 90 100 110 115 120 135 140 150 175 185 200 225 & 235 HP (Horsepower - Horse Power) Outboard & Sea Drive Marine Engine Johnson/Evinrude 2Stroke 2-Stroke Two Stroke & 4Stroke 4-Stroke Four Stroke models. First solution was to change the plugs. The issues appears to be with the number one cylinder. Been thinking about Tohatsu 9. Outboard runs rough 7. The duty cycle used by the EPA to measure outboard emissions is weighted 40 percent to operation at idle speed but just six percent at wide-open throttle. Each 8hp engine repair manual covers every aspect of repair. Rough idle yamaha 1973 6 hp outboard motor repair manual how to adjust idle on a honda 9. I recently had to steering arm replaced about about a week ago so I took it out for a test drive today and noticed that after they replaced it the the idle speed was too. A downloadable version of the factory manual is available from this site. The symptoms are pretty simple to see. I have a 1997 Mercury 150 EFI outboard that I just bought. I suspect that the problem may have to do with the fact that the boat has been out of commission for a few weeks and wasn't used due to a broken steering cable. I've got a 1996, 200HP Johnson (Model J200TXEDR) that idles rough and stalls. Submitted: 10 years ago. if you havent already, check the simple things, i would make sure plugs and wires are all good, make sure plugs are all in good shape and gapped to. An idle air control actuator or idle air control valve ( IAC actuator/valve) is a device commonly used in fuel-injected vehicles to control the engine's idling rotational speed ( RPM ). Anyway, outboard started stalling at idle after a few weeks of fine operation. Looking at the motor, the 2 jets and the idle speed adjustment are on the right. Each 6hp engine repair manual covers every aspect of repair. Gear drives have been the proven choice for outboard motor manufacturers for over 100 years. The Honda BF115 is a 4-stroke 115 hp marine engine. outboards, please go to MercuryMarine. Don't change the wires if they're OE (Original Equipment). Whether performing maintenance or complete engine overhaul to the 6hp engine, this downloadable 6hp repair manual covers it all. 11-11-2019, 08:14 AM. Move mixture control to "IDLE CUT. DOWNLOAD 30 horsepower Repair Manual Suzuki Yamaha Mariner Evinrude Johnson Mercury Honda 69. Each 8hp engine repair manual covers every aspect of repair. 5 hp repair manual pdf download; mariner 3. the engine runs great at everything but idle. Ever since I had it, it starts quite rough at a cold start when I am at the ramp. 9 hp suzuki outboard; setting suzuki 9. The Mercury 115 FourStroke is quieter than the Yamaha F115B across the rpm band. The mechanic says it is only running 5 of the 6 cylinders and the powerpack needs replacing. If your motor has an idle adjustment, turn the control until the engine idles smoothly and doesn't die when you shift into gear. It's highly recommended to follow the idle mixture adjustment procedures in the factory repair manual. Steering assistance begins at idle, and varies based on the above inputs. 5 hp wiring diagram; 1983 3. 1974 evinrude 25 hp repair manual. Anyone have one of these, with a similar problem? Any sugguestions? ratherwhalering: posted 11-09-2001 01:03 PM ET (US). We talked to guys at a marina and we ended up buying a new fuel line and filter, because if you have cracks in your fuel line air will get in and it won't suck the gas as well. A misfire may occur when your engine is idling, causing a rough or uneven idle. Outboard cuts out or hesitates upon acceleration 6. The misfire will usually reappear, either under specific operating conditions or randomly. 8 merc that just started running rough. Engine is under warranty but would like to resolve this myself if it's. 1995 30 hp 2 stroke mercury outboard idle settings. This engine has very good compression which is even on all 4 cylinders. No backfiring when boat is in nuetral. 1) Power tune 2X 2) New plugs (used NGK BU8H, OEM plug) 3) Fuel filter 4) New stator, trigger, advance module. We offer Mercury & Mercruiser products at lowest prices with superior service. It is a beep ,beep , beep warning. At first, only I would notice the rough idle. If you're experiencing a rough idle in an older vehicle with a carbureted engine, the process is a little different. 0 members and 29 guests. my 70hp evinrude outboard wont start. Does everything an outboard should, except stable idling. Free mariner 25hp 2002 repair manual free service manual 1972 25hp e vinrude head tension for 25hp johnson two stroke how do i pull driveshaft out of lower unit housing 2000 mercury 25hp outboard motor how do you remove starter from 25hp bigfoot mercury how to adjust 1996 25hp evirude carb for rough idle how to adjust the carb on 2004 yamaha. 0 litre seapro, 250 efi, 3. How to connect a 1992 10hp mariner outboard board controls in video how to fix 3 1993 10hp mercury outboard no water how to fix mariner 1994 10hp oil fouled spark plug how to fix rough idle on a 1995 10hp Mercury outboard 10hp how to remove mercury prop how to remove mercury prop 10hp 1996 10hp Johnson outboard piston rings 1954 Johnson 1997 10hp four stroke out board motor service manual low. Not surprisingly, the engine did not want to start. First it started out like it was just idling bad then it got worse and would die and stop running. 5 hp outboard motor doesn't run; 1992 johnson 3. it is a simple, 2 minute fix and you can do it on the water. Changes in engine sound If your marine engine is misfiring, you’ll likely hear it. Two weekends ago when. I have played with the idle adjustment screws, but with optimal settings rpm is still below 700 rpm. 40HP Mercury outboard question/problem I have been having trouble keeping it running at idle. 1996 tohatsu 40hp outboard head bolts. 25 hp evinrude rough idle. Reasons for a Rough Idle or High RPM. such as rough water, tight turns, tow sports and lower Idle Charge battery-management prevents boaters from draining. Most likely gas left in tank and carburetor. Many things can affect idle quality. Mercury - Mercruiser Idle Air Valve 862998 available at Wholesale Marine. Step 1, check for air in the cooling system. The actual procedure will differ or the amount that is suppose to be out is slightly different for each different motor. However, I find it that the engine idles a bit rough and sometimes turns off when on idle. Also the idle has been getting a bit rough and sometimes when you step on the accelerator from a low speed you get nothing, almost like it has no fuel. 2006 Optimax Rough Idle Problem. But the carb re-build should have fixed it? Pull the cover. (That's another story). Mercury Carburetor Adjustments. First solution was to change the plugs. Suzuki DF140 (Frankenzuki) Rough, low idle. We had some problems with our 40 hp. Be careful though- engines with airbleed idle get richened by using smaller jets- and many of these motors use air bleeds depending on year and HP rating. 12-01-2017, 05:07 PM My 1972 50HP Johnson runs well when underway but idles really rough, have tried to adjust mixtures on both carbies to no avail. outboard runs great but will no go above idle in gear Posted by TutHillTiger on 8/4/14 at 1:27 pm. I went to river yesterday it was hard to get started and it started up but didnt seem to want to idle. 1985-1986 50HP (50 HP) Mercury Outboard Idle Adjustment INSTANTLY DOWNLOAD outboard repair manuals straight to your computer in seconds. 11-11-2019, 08:14 AM. 40HP Johnson Rough Idle. 1973 johnson 25 hp outboard idle adjustments. I have seen this many times, guys putting around the lake with their outboard fully trimmed in, and the motor is smoking and running erratically. Sometimes near as good as a 4-stroke. Fast idle adjustment on 1993 mercury outboard motor xr6 set idle speed on evinrude 9. Anyone have one of these, with a similar problem? Any sugguestions? ratherwhalering: posted 11-09-2001 01:03 PM ET (US). It ran great, I had fresh gas in the small internal tank, I used it for about 1 hour+, then I shut it down like normal. For example if you measure a 60hz freq. changing lower unit gear oil on johnson 6 hp outboard; 6 hp johnson outboard water outlets; 6 hp evinrude outboard motor that won't idle; 6 hp evinrude outboard motor won't start; 1994 mercury 6 hp outboard motor,2 stroke, pumping issue; 1980 6 hp johnson seahorse rough idle "1973 johnson 6 hp slow idle problem" +6 hp johnson swivel bracket removel. The Honda BF115 is a 4-stroke 115 hp marine engine. 1974 evinrude 25 hp repair manual. Above 1000 RPM there is no miss. As with any other engine, this is the part which serves as the " combustion powerhouse" of every engine and works by blending air and fuel by employing the Bernoulli's Principle. As with any other engine, this is the part which serves as the " combustion powerhouse " of every engine and works by blending air and fuel by employing the Bernoulli's Principle. If all is normal, 2-stroke idle is acceptable. 5 hp outboard won't start; 1994 johnson 3. 1989 Yamaha 130hp wont stay running at idle. its a three cylinder, tri-carb, 2-stroke. 25 hp evinrude rough idle. Mark Channels Read. Finally at peace with my '95 Civic EX coupe after replacing PCV, checking coolant, vehicle speed sensor, FITV, NGK plugs, wires, Autozone Duralast Gold cap/rotor (real copper, make. This intake relies on a vacuum. I guess that is the reason it will not idle and when it starts I have to throttle it up immediately to keep it running. I don't have a tach but i'd say at everything over 2000 rpm. Outboard Carburetor Kit - 439071: 3: 1952-1963: Outboard Carburetor Kit - 439071: 3: 1964-1967: Outboard Carburetor Kit - 439070: 3: 1989-1997: Outboard Carburetor Kit - 439071: 4: 1965-1967: Outboard Carburetor Kit - 439071: 4: 1965-1967: Outboard Carburetor Kit - 439072: 4: 1979-1980: Outboard Carburetor Kit - 439072: 4: 1979-1980: Outboard. A misfire will cause the engine to momentarily stumble, or lose rpms, and then regain its normal engine speed. Consult your owner's manual to check items that may be unique to your motor. The misfire will usually reappear, either under specific operating conditions or randomly. The general design of most outboard carburetors is basically the same with the major difference being the presence of mixture- adjusting. Below are the four most common. We shut down and anhored up for the night. At wide-open throttle, we were burning about nine gph while running at close to 40 mph. But I turn it off, and start it up and put it in drive it dies. Hi guys hope you can help. Anyone have one of these, with a similar problem? Any sugguestions? ratherwhalering: posted 11-09-2001 01:03 PM ET (US). An outboard Tohatsu repair manual is a professional. We help you save hundreds and sometimes thousands of dollars on outboard motors, powerheads, lower units, outdrives, gear cases and more!. Outboard motor designs vary depending on make and model, but all operate on similar principles. Johnson outboard motors are used on a number of different powerboats, both by casual boaters and professionals. There where several advancements from 1969-1974 in Evinrudes, related to fuel/ignition/gear case design/thru prop exhaust, so the exact year might be helpful. 1997 tohatsu 40hp outboard tilt trim fluid replacement. They can answer questions for any Suzuki outboard model or horsepower. 0 litre marathon. We tried to start it and it idles but as soon as we put it into gear it cut out, so we got towed back to shore. Two weekends ago when. hey john i stay in indianapolis and have the above rough idle at any rpm below 900 and hard cold start issues with carbureted 1968 307. No one else could really hear it. The idle speed control controls the rate of flow of air through a bypass passage into the induction system to help improve engine performance. 12-01-2017, 05:07 PM My 1972 50HP Johnson runs well when underway but idles really rough, have tried to adjust mixtures on both carbies to no avail. DOWNLOAD 25 horsepower Repair Manual Johnson Yamaha Mercury Evinrude Mariner Suzuki 232. Original review: Oct. Mercury 140 hp outboard idle to high trim and tilt repair book 75 johnson compression test 1990 60 mariner rough idle spec on 1998 fast idle on a 15hp johnson 1985 johnson 25hp boat motor wont run 1998 mercruiser 5. When the cars idle gets rough, it hard to comprehend the related causes. My low speed idle is rough and weak - I want to try to jury rig a manual voltage input to the CDI boxes so I can get better low speed performance from my motor. Yamaha Outboard engine stalls 4. Engine is under warranty but would like to resolve this myself if it's. Mercury - Mercruiser Idle Air Valve 862998 available at Wholesale Marine. Now it's painfully. This is a major plus for anglers. I "power tune"ed the carb, replaced the plugs, and revamped the dash ignition wiring. A misfire may occur when your engine is idling, causing a rough or uneven idle. Most smaller outboard carbs have a fuel/air idle mixture adjustment, and most larger outboards are metered by an orifice and idle air/fuel mixture cannot be adjusted, nor does it require to be unless operating at high altitudes. At Mid range and WOT it runs flawlessly. In carburetted vehicles a similar device known as an idle speed control actuator is used. 1997 tohatsu 40hp outboard tilt trim fluid replacement. Manule maintencance 25 hp johnston running rough 25 hp mairiner 4 stroke dies when put into gear 25 hp mariner outboard manual 25 hp mercury idle and lean mixture screws 25 hp mercury mixture and idle setting 25 hp 2013 mercury outboard 25 hp mercury outboard reverse repair 25 hp suzuki outboard want pump gas 25 hp suzuki wiring 25 hp yamaha 2. Wipe the dipstick with a cloth, reinsert it fully, then remove it and check the oil mark on the side of the dipstick. When I got home with the muff's on I tried it again and it worked fine. 2001 40hp tohatsu outboard valve adjustment specs. 0 manual antifreeze mercruiser 3. 2000 tohatsu 40hp outboard rough idle. Rough Idle Outboard Technical Discussion. I've had the motor for about a year and it's mostly used for maneuvering around launching ramps and mooring fields, plus it gets laid down on its side for long periods (the correct side at least). The following information is presented for the use of MASTERTECH'S customers as a courtesy by CDI Electronics. The current issue is that. They can answer questions for any Suzuki outboard model or horsepower. This past weekend while fishing the LSR Challenge, my main engine started running rough while trolling. DOWNLOAD 25HP Repair Manual Mercury Johnson Suzuki Yamaha Evinrude Mariner 44. However, enough information in 90 horsepower outboard repair manuals is given for do-it-yourself or apprentice mechanics to correctly and safely perform. This engine has only 609 hours. Personally, my 16 Silverado had a slight rough idle when sitting at red lights while the transmission is in drive. It can also help to diagnose rough idle issues and hundreds of other problems. It's highly recommended to follow the idle mixture adjustment procedures in the factory repair manual. For 2-Strokes, it can cause a rough or poor running condition. Outboard Carburetor Kit - 439071: 3: 1952-1963: Outboard Carburetor Kit - 439071: 3: 1964-1967: Outboard Carburetor Kit - 439070: 3: 1989-1997: Outboard Carburetor Kit - 439071: 4: 1965-1967: Outboard Carburetor Kit - 439071: 4: 1965-1967: Outboard Carburetor Kit - 439072: 4: 1979-1980: Outboard Carburetor Kit - 439072: 4: 1979-1980: Outboard. 1974 evinrude 25 hp repair manual. My original engine was a 2001. A misfire may occur when your engine is idling, causing a rough or uneven idle. DOWNLOAD Yamaha outboard marine repair manuals straight to your computer in seconds —fix your problems now. In this case, the idle will have to be adjusted manually to ensure that your boat continues to operate. 9 outboard with a remote mercury 3. See what others are asking about their Suzuki Vitara. I have a 1989 40 hp evinrude I just bought. During the last 10-15 hrs the engine has developed a miss at idle. I have tried everything to cure a rough idle on a 1988 Merc outboard, Black Max 200. This motor starts, idles, runs, and performs great and is ready to use. at idle though, it has this random popping, almost like a back fire, accompanied by a quick puff of smoke out of the starboard side of the motor. I was having some problems with the oil/fuel mixture alarm going off so I just had the VRO pump replaced and it ran fine on a trip out for halibut fishing about 2 weeks ago. At idle or low speeds it sputters and stalls. Volvo D12 Rough Idle. In January 1940, 5 new Mercury Outboard Models were introduced; the K1, K2, K3, K4 and K5 Outboard Motors with prices ranging from $42. However, enough information in 9. mercury 70 hp idle issues kennebunkport maine; mercury 70 hp outboard rough idle; mercury 70 hp outboard set idle mixture; removing head cover yamaha 70 2 stroke outboard; suzuki 70df 2008 4 stroke beeps codes; yamaha 70 two stroke spark plugs; yamaha 70hp 2 stroke 3 cylinder repair manual; yamaha 70hp 2 stroke cylinder head block. Above 1000 RPM there is no miss. The Idle only needs to be 7 to 900 RPM with light load or AC on. And it will not go above 2200 rpm, and seems to want to shake the engines right off the engine mounts when I push the throttles up that far. Wipe the dipstick with a cloth, reinsert it fully, then remove it and check the oil mark on the side of the dipstick. 12/24/2011 at 8:10 am. Well, here’s my problem: Have a new 501 stroker with 140 miles on it in a 78 f250 4x4. Everything was going great and then it just stopped. There is no reduction in perfomance or fuel economy. Welcome to the Internet's premier site for boat motors!This site is part of iboats. Under power above 1000rpm, it seems to run fine, but anything below that, it simply will not idle and sounds like its not running on all cylinders, almost like a misfire. Mercury 140 hp outboard idle to high trim and tilt repair book 75 johnson compression test 1990 60 mariner rough idle spec on 1998 fast idle on a 15hp johnson 1985 johnson 25hp boat motor wont run 1998 mercruiser 5. The rough idle can also because by a bad camshaft. outboards, please go to MercuryMarine. Shop, read reviews, or ask questions about Outboard Motors at the official West Marine online store. Last season we disconnected and plugged the oil line from the VRO and unplugged the sensor and it has run rough ever since. Quite often an old fuel line is found cracked, allowing air into the system, causing the primer ball to lose it's prime and your Outboard to suffer from poor performance brought on by poor fuel flow. Here are some: Stalls at idle, stalls when I put the clutch in, stalls when I turn a corner, misfires, surges, no power, cuts out, no power at top revs, runs rough, etc. 9HP outboard repair manuals is given for do-it-yourself or apprentice mechanics to correctly and safely perform repair work to their 9. Home / Forums / Say 2. Consult your owner's manual to check items that may be unique to your motor. 2 HP Outboard. Outboard that runs somewhat rough The WoodenBoat Forum is sponsored by WoodenBoat Publications , publisher of WoodenBoat magazine. The engine starts fine, 2-3 pulls cold start and he is on. Tohatsu outboard problems Been thinking about Tohatsu 9. My Yamaha Outboard 175 hp motor recently started to sputter and then die when I am in idle. 1986 johnson 70 hp outboard rough idle. Shop, read reviews, or ask questions about Outboard Motors at the official West Marine online store. Tip for diagnosis: let the engine idle rough for a while. Use with any 2- or 4-cycle outboard, inboard, or inboard/outboard motors Splash Guard protects your cap from rough waters; Item. My outboard engine on my pontoon starts but idles rough and as I back out of the slip it dies. I have done a basic tune up on the car and replaced the valve cover gasket. As it runs at idle speed, the priming bulb goes soft as well, but I'm not sure wheteher that is actually normal or not. The mechanic says it is only running 5 of the 6 cylinders and the powerpack needs replacing. I have played with the idle adjustment screws, but with optimal settings rpm is still below 700 rpm. I bought a boat with a 2001 90hp mercury 2 stroke on friday. Only problem is the low idle, it always has a tendency to cut /stall out (even after changing the VRO pump). Without revving it, shut the motor. Cleaning out the carburetor to remove carbon deposits is probably a good place to start. When I give it a little gas (1500 RPM's), it comes out in a steady stream. I have tried everything to cure a rough idle on a 1988 Merc outboard, Black Max 200. Hey, anybody have suggestions for fixing my outboard? It is a 1995 130 hp Evinrude and it seems to be having a rough idle problem. However, enough information in 90 horsepower outboard repair manuals is given for do-it-yourself or apprentice mechanics to correctly and safely perform. Topic: Mercury 200 EFI Rough idle: rkhjr66: posted 04-15-2007 12:38 PM ET (US) I have a 1994 MERCURY 200 EFI that will not idle smooth. A misfire will cause the engine to momentarily stumble or lose rpms and then regain its normal engine speed. Outboard has poor deceleration 5. 9HP outboard motor and components. At Mid range and WOT it runs flawlessly. Tried reattaching it and it still ran rough: idles high, misses, backfires a bit. Map Sensor Reading At Idle In Hg. It is because rough idle when warm can either be caused by one faulty component or through series of problems. Johnson Outboard Parts Forum; If this is your first visit, be sure to check out the FAQ by clicking the link above. Last season we disconnected and plugged the oil line from the VRO and unplugged the sensor and it has run rough ever since. Ask the experts on our Suzuki Outboard Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more. 9HP outboard repair manuals is given for do-it-yourself or apprentice mechanics to correctly and safely perform repair work to their 9. Anyone have one of these, with a similar problem? Any sugguestions? ratherwhalering: posted 11-09-2001 01:03 PM ET (US). Outboard quits and cannot be restarted 8. It is your low idle adjustment. i have replaced the plugs, and gone through the FSM setup for setting timing, tip in, and fuel enrichment. I also found a good alternative to the expensive "carburetor lead shot plug" from OMC Johnson/Evinrude. 2’ RIB seems to have a low idle speed in neutral that causes the engine to stall. 1985 johnson 30hp user manual 1986 johnson 30hp service manual onsale 1993 johnson 30hp won t idle 1994 yamaha 30hp outboard trim switch on motor not working down 1995 evinrude 30hp 2 stroke outboard 1995 evinrude 30hp two stroke schematic 1995 yamaha 30hp power tilt unit 1996 manual start 30hp mercury outboard wiring diagram 1997 evinrude 30hp shop manual 1999 30hp mariner outboard manual. This happened both in and out of gear but only when the engine was still cold, idle returned to normal once normal op temp had been reached. 1974 evinrude 25hp hard start rough idle dies at low idle. it is a simple, 2 minute fix and you can do it on the water. i guess if the remote tank dont fix it i will throw in a new pump as the diaphragm isnt but like 20 bucks. Someone has to know something about these 2 stroke outboards. 193): thanks Wrenchin i didnt think of a remote tank and will try that. any suggestions?. It's function is to reduce pulses produced by both the fuel and air pumps. Below are the four most common. 3hp manual also contains advance troubleshooting to help diagnose and pinpoint any mechanical problem. While the boat is in neutral, I can rev the engine up to 5-6000 Rpm, sounds perfect. On a test water hose it will shift in gear and continue running but on the lake it cuts off. The one that we fear the most is uneven compression. Should I rebuild the fuel pump or am I missing something obvious? Randy in Tampa US Member - 1 Year Twin Johnson outboard steering controls;. outboards, please go to MercuryMarine. Worst after stationary idle, but also after moving at low to medium speed with closed throttle and then accelerating. 8 merc that just started running rough. If I reattach the number one plug wire the engine will sputter and die. Ever since I had it, it starts quite rough at a cold start when I am at the ramp. 84' Mercury 2. Used Outboards from 2hp to 350hp. My optimax runs great at anything above idle (idle in neutral, idle in gear, forward or reverse). idle screw on 35 hp mercury outboard; how to set idle rpm on a 35 hp johnson; greasing johnson 35 hp; high sensor johnson outboard 35 hp; evinrude 35 hp idle ok running rough; evinrude 35 hp model 35753c overheating; evinrude outboard 35 hp 1992 model; evinrude outboard 35 hp hard starting; adjusting idle on 35 hp johnson outboard. I find that the process is the same. After a while it did and runs great at mid to top end but when bring back to idle it shuts off and won't start. Its been running rough and intermittently stalling when I changed gears Fwd to Rev, but it would get up on plane OK and had to be played with. What I mean by that is when I fire it up for the first time at the ramp, it idl. OUTBOARD - Marc's Marine 15 2 1346448 1961 15 2 b293117 1988 15 2 b385500 1989 15 2 c221500 1990 outboard mercury outboard hp cyl beg. Then remove the oil filler cap and the connected dipstick from the oil tank. Here is what was already completed. This INSTANT DOWNLOAD 6 horsepower Mercury, Mariner, Yamaha, Suzuki, Johnson and Evinrude outboard engine repair manual was designed for do-it-yourself mechanics and factory trained technicians. The engine is running but the car just coasts. Over time, the carburetor may cause the idle speed of the engine to fall outside the suggested range. At idle it's rough where everyone comments on it and on occasion it stalls too more so recently. The next morning we started up and the bad engine was idling rough and definately had a problem. If it idles rough, and restarts easily without the primer after a 5 minute cool down- then it's rich. From the looks of the throttle mechanism, ignition timing seems crucial but I found nothing useful on the internet. Sometimes near as good as a 4-stroke. A problem with fuel delivery, spark plug operation or metering of the air-fuel charge can cause problems at idle that may not be obvious at higher rpm ranges. If I sit at a light very long in gear the car looses power after starting to accelerate. In that case, the orifices would have to be changed accordingly. In this case, the idle will have to be adjusted manually to ensure that your boat continues to operate. It also takes a while to build up speed when I first take off. 1998 johnson outboard idle. Cleaning out the carburetor to remove carbon deposits is probably a good place to start. Honda Outboard Stalls During Idle or When Accelerating outboard stalls while idle 1989 honda 40 hp outboard motor stalls when throttle closed outboard stalls at 2000 rpm 1990 honda marine 45 hp engine stalls when accelerate outboard stalls at speed honda 50 hp 1995 outboard stalls going into gear honda 75 hp1994 outboard stalls out in idle. I have tried everything to cure a rough idle on a 1988 Merc outboard, Black Max 200. 5 hp outboard motor doesn't run; 1992 johnson 3. Shop, read reviews, or ask questions about Outboard Motors at the official West Marine online store. I am new to outboards and this engine mounted on a 10. Evinrude Idle and Timing Sync Instruction via the Clymer manual for setting spark timing, carb sync, and idle for the 88 hp Evinrude 2 stroke outboard. DOWNLOAD 60HP Outboard Repair Manual Evinrude Yamaha Mercury Mariner Johnson Suzuki INSTANTLY DOWNLOAD a 60 horsepower outboard repair manual straight to your computer in seconds. See what others are asking about their Suzuki Vitara. Best if you can just let the outboard run at a fast idle all afternoon or longer, (on the boat tied up in a slip and left in gear is the best), and then continue to use up the fuel. Worse problem is bad hesitation when accelerating after throttle at idle position, sometimes stalling. Its got a 98 50hp johnson 2 cyl 2 stroke. Whether performing basic maintenance or complete engine overhaul, this downloadable 8hp repair manual covers it all. How to adjust controles on a 1979 mercury 35 hp outboard motor how to adjust idle on 1990 115hp eveinrude 2 stroke outboard mercury outboard motors 170hp idel screw location 2stroke johnson 1987 30 hp outboard lower unit diagram setting up idle screw on carburetor outboard where is the oil injection fail switch on a 2002 mercury 3. SUBSCRIBE SUBSCRIBE ADD TO FAV ORTIES. I first suspected fuel related and chan. Free mariner 25hp 2002 repair manual free service manual 1972 25hp e vinrude head tension for 25hp johnson two stroke how do i pull driveshaft out of lower unit housing 2000 mercury 25hp outboard motor how do you remove starter from 25hp bigfoot mercury how to adjust 1996 25hp evirude carb for rough idle how to adjust the carb on 2004 yamaha. My outboard motor doesn't idle at low rpm's, it cuts off when put into gear. I have a 90 HP Mercury (year 2000). This allows for precision adjustment of trolling speeds in 50-RPM increments, from 650 to 900 RPM for the 115 hp, and 550 to 1000 RPM for the 90 and 75 hp. It restarts but will die almost immediately after shifting to reverse. When an outboard motor runs at speed but cannot hold an idle, it usually indicates a problem with the carburetor. However, enough information in 30 horsepower outboard repair manuals is given for do-it-yourself or apprentice mechanics to correctly and safely perform repair work to their 30 horsepower outboard motor and components. 9HP outboard marine repair manual should possess basic knowledge of tools and mechanical theory. You may have to register before you can post: click the register link above to proceed. 5-10" and the driver's side idle screw does nothing from closed off to 4 turns open, so I left it at 1 turn out. Each 4hp engine repair manual covers every aspect of repair. I replaced fuel filters, visually inspected fuel lines and connections and checked spark plugs. 1996 mariner 25 hp compression test 1997 25 hp yamaha idles to low and stalls 1998 25 hp evinrude rough idle 1998 25 hp yamaha 4 stroke trim tilt manual lever image 1966 25 hp suzuki shifting linkage 1968 suzuki 25 hp temperature sensor 1972 suzuki dt25 25 hp outboard service manual 1971 yamaha 25 hp timing 2000 25 hp mercury outboard accelerator pump leaking fuel 2001 25 hp mercury outboard. its a three cylinder, tri-carb, 2-stroke. Ensure that the outboard motor is in an upright and level position. I already changed the fuel filters. These lightweight 40hp and 50hp outboard motors are ideal for flats, bay boats, inflatables, fishing boats, and pontoons. Can a bad crank seal cause rough idle in a mercury outboard boat motor I have a 1982 9. Once it get it out of the slip and going forward {sommetimes dies shifting to forward also} it seems to run fine. Each 6hp engine repair manual covers every aspect of repair. DOWNLOAD Yamaha Outboard 25HP 25 HP Service Manual 1998-2006. Rough Idle Rough on slow take off. Outboard Motors > Topic: 1998 Mercury 225 EFI idle white smoke problem; Laurie Cork Ph. 1974 evinrude 25 hp repair manual. DOWNLOAD 25HP Repair Manual Mercury Johnson Suzuki Yamaha Evinrude Mariner 44. 1974 evinrude 25hp hard start rough idle dies at low idle. 40HP Mercury outboard question/problem I have been having trouble keeping it running at idle. Under power above 1000rpm, it seems to run fine, but anything below that, it simply will not idle and sounds like its not running on all cylinders, almost like a misfire. When your outboard starts right up, keeps running with throttle applied in neutral, but shuts down the moment you come back to idle speed in neutral, the issue is likely to be a sticky or broken AIS (automatic idle speed) valve. Keep this owner's manual handy, so you can refer to it at any time. There where several advancements from 1969-1974 in Evinrudes, related to fuel/ignition/gear case design/thru prop exhaust, so the exact year might be helpful. Get this INSTANT DOWNLOAD 3. My low speed idle is rough and weak - I want to try to jury rig a manual voltage input to the CDI boxes so I can get better low speed performance from my motor. This is the aft jet. Decided to resurrect. The idle jet is in a little tunnel on the side of. Get the boat from the shop and can drive it for about an hour or two with no problem up and down a full range of throttle positions, after a period of time when you shift to idle speed the motor stops. When a vehicle begins to idle rough or stall, the idle system requires service. This INSTANT DOWNLOAD 175 horsepower Mercury, Mariner, Yamaha, Suzuki, Johnson and Evinrude outboard engine repair manual was designed for do-it-yourself mechanics and factory trained technicians. Map Sensor Reading At Idle In Hg. They can answer questions for any Suzuki outboard model or horsepower. If your outboard engine is sputtering at any speed, idle or full throttle, it could be the result of several common malfunctions. The F25 has a shortened tiller handle for convenient control of small jon boats. As of late, it's become irregular at idle, generally dying unless given some revs every so often, and will surge when in low. The largest supplier of outboard engines in the world, Tohatsu sells its portable engines to rival brands including Evinrude, Mariner and Mercury. This is basically what powers up your outboard motor and therefore, has to be. Powerful, quiet and reliable, the 115hp outboard motor is ideal for pontoons and heavier mid-size boats. I have had it checked and they said it is set at the right specs. Hi guys hope you can help. In this case, the idle will have to be adjusted manually to ensure that your boat continues to operate. When it comes to adjusting the idle state on Johnson Outboard motors, the part involved would most definitely have to be the Carburetor. I replaced fuel filters, visually inspected fuel lines and connections and checked spark plugs. When I give it a little gas (1500 RPM's), it comes out in a steady stream. This fellow has Cancer which can no longer be treated and fishing is his passion in life. Good Day, My 2010 DF140 has a rough idle at start up and is very slow to reach 3000 RPM’s. It seems to correct itself after it is warmed up and will run good at all RPM’s until it is shut off for any length of time. i guess if the remote tank dont fix it i will throw in a new pump as the diaphragm isnt but like 20 bucks. Outboard Carburetor Kit - 439071: 3: 1952-1963: Outboard Carburetor Kit - 439071: 3: 1964-1967: Outboard Carburetor Kit - 439070: 3: 1989-1997: Outboard Carburetor Kit - 439071: 4: 1965-1967: Outboard Carburetor Kit - 439071: 4: 1965-1967: Outboard Carburetor Kit - 439072: 4: 1979-1980: Outboard Carburetor Kit - 439072: 4: 1979-1980: Outboard. 40HP Mercury outboard question/problem I have been having trouble keeping it running at idle. The bypass passage bypasses flow through the throttle body to increase the air flow while the throttle body is either closed or in a wide open position. Re: 1998 Mercury 225 EFI idle white smoke problem « Reply #2 on: May 30, 2012, 07:10:21 PM » Well after a week in the shop found out that the reed valve on cylinder #4 was missing. Manuals contain step-by-step repair procedures, illustrations, pictures and advanced troubleshooting. My Yamaha Outboard 175 hp motor recently started to sputter and then die when I am in idle. Decided to resurrect. However, enough information in 9. Loose steering 9. When a vehicle begins to idle rough or stall, the idle system requires service. 9 hp engine idle mixture screw; sherly 2006 suzuki 4 stroke outboard oil filter. When it warms up, it starts first go. johnson 15 hp outboard rough running. When it comes to adjusting the idle state on Johnson Outboard motors, the part involved would most definitely have to be the Carburetor. rough engine idle suzuki 9. 1974 evinrude 25 hp repair manual. (That's another story). the rpms pick up instantly when the bulb is pumped i can fairly confindently say that isnt coincidence as it happened 30+ times over the course of a week and about 50 -75 miles of running. Runs great wide open. By mike gray in forum Johnson Evinrude Outboard Archive Replies: 1 Last Post: 05-16-2006, 03:56 PM. I "power tune"ed the carb, replaced the plugs, and revamped the dash ignition wiring. This fellow has Cancer which can no longer be treated and fishing is his passion in life. It appeared to be a dead battery but after replacing the battery I realized it was the starter. Yamaha Outboard is overheating, overheats over heats, running hot 8. I ound dirt down in mine and it fixed it. Not that this helps any but when I asked a few boat guys about my 89 merc 200 about it's rough idle they all said "typical mercury of that era". Rough Idle Rough on slow take off. 5 hp wiring diagram; 1983 3. I only have a few hours on it and today, while I had it out and shifted into neutral, the engine stalled and wouldn’t restart. For 2-Strokes, it can cause a rough or poor running condition. Outboard engine will not stop 6. This is the case on my bass boat as well. Only problem is the low idle, it always has a tendency to cut /stall out (even after changing the VRO pump). I've been battling this problem for a couple of years and it has increasingly got worse. 40HP Johnson Rough Idle. Don’t set it too high, as this will cause causes excessive clutch and brake wear. The idle jet is in a little tunnel on the side of. Ask the experts on our Suzuki Outboard Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more. Opening any of the outboard idle screws, even 1/2 turn, makes the idle to down, so I left all of them closed. An outboard motor has an idle speed control in an induction and fuel injection system. 9 outboard with a remote mercury 3.