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Boat motor runs rough

WebMar 1, 2011 · Also the motor runs (fairly rough) with coil 4 out for test, but will barely run when C1 is out for test. Same for 2 and 3. Summary of test: C4 to ground Runs fair, good spark jump, plug was wet and fowled when pulled C3 to ground Runs like crap, will not jump 7/16, plug was in fair shape when pulled (a bit carbonized, but not wet)

My Outboard Motor Runs at High Speed, But Will …

WebAug 24, 2010 · Actually, the engine was running 'great', full throttle wide-open ! I think I may have violated the 45MPH rule ! Yesterday, took boat out on water for about 30 min, … WebA rough idle on an outboard is generally caused by a failed spark plug, a clogged or stuck open fuel injector, a clogged or dirty carburetor, or an engine that has an issue with the … cricket wireless change number online https://instrumentalsafety.com

Top tips - possible causes of engine running rough (Suzuki …

WebTurn off the main electrical cutoff switch. Remove the snaps on the outboard motor upper case and take off the cowl cover. Take the spark plug wire boot off the plug tip. Move this wire around from the opening by … WebTop tips from one of Suzuki's expert engineers, focussing on possible causes of your small horsepower/portable outboard running rough and how to maintain opt... WebSep 1, 2013 · Re: 1985 90Hp Evinrude running rough at mid range. The thermostats open at 143 degrees. Usually the block should run about that temp. At idle it can warm up to 150-155 in summer warm waters. Once you get on plane and the pressure relief valves open in the stat housing, the temps can go down perhaps 20 degrees. cricket wireless cell phones ebay

Diagnosing Outboard Idling Problems Boats.net

Category:Diagnosing Outboard Idling Problems Boats.net

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Boat motor runs rough

Top tips - possible causes of rough running (Suzuki …

WebAug 25, 2012 · re: Yamaha 50 runs but no power, won't plane Posted on 8/25/12 at 9:49 am to KentuckyArcher. Debris in carb jets or fuel lines. That was the problem when it happened to us. Except it was caused by leaving ethanol gas in the fuel lines over winter, fuel lines broke down. Replaced lines, cleaned carb, ran fine. If we had a dollar for every time our boats started sputtering and running rough because we forgot to open the fuel vent on our portable fuel tanks, well, we’d have quite a few bucks rolling around. If you’ve got a portable tank and your engine is misbehaving, the first thing you want to do is check to make sure … See more Another trouble spot in the fuel delivery department—if you’ve got a portable tank setup—are the snap-in connectors that attach the fuel line to your outboard. A haven for corrosion, … See more Though many smaller boats using portable tanks are not equipped with these fuel filter/water separator devices, most boats with outboards that … See more Smaller/older model outboard engines are usually not fitted with an intake air filter of any sort, but plenty of newer four- and two-stroke outboard engines have them. If they get clogged with dust and dirt, this can affect engine … See more Many outboards—especially newer models—have a slew of onboard fuel filters that can become clogged and detrimentally affect … See more

Boat motor runs rough

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WebSep 25, 2024 · I'm a relatively novice boat owner in SE Alaska and appreciate any help that the forum can provide. I have a 22' Hewescraft Searunner with a 2006 Yamaha F115 outboard at ~1000 hrs. The motor runs rough above about 4300 rpm. It accelerates and cruises just fine up to this rpm, but attempting to accelerate beyond this rpm results in … WebBy Joe McElroy. When an outboard motor runs at speed but cannot hold an idle, it usually indicates a problem with the carburetor. Outboard motor designs vary depending on make and model, but all operate on similar …

WebSep 10, 2024 · Find and Fix your Outboard fuel system problems. Fuel system issues can cause causing a rough running outboard. In this video I'll go over some of the fuel... WebJun 23, 2015 · Low speed running (1200 - 2400rpm) in forward gear is very rough, sounds like its running on 2 cylinders only and I need to throttle up to 75% throttle to clear this and as soon as she hits around 3200 rpm she signs nicely on all 3 cylinders while accelerating at this throttle setting. Once on the plane and throttling back to around 50% to hold ...

WebMar 21, 2024 · So, Is the outboard running rough at low speed good? This subjective question contains positive and negative sides. Meanwhile, the revolutions per minute of … WebJun 24, 2024 · Mercury 15hp 4 stroke….runs rough on start up. Lacks getting up on plane, and not running full power on plane. Leaning toward a defective coil. Top cylinder plug …

WebJun 24, 2024 · 2. Poor Gas Quality. The fuel used for your outboard motor can be one of the primary reasons why your outboard motor is bogging down. And this is most likely caused by the ethanol content of the …

WebOct 6, 2024 · 3. Runs fine for a few seconds (even seems to accelerate normally if I open up the throttle) 4. Red light suddenly turns on at the same time that it starts running super rough 5. Runs rough for about 5 minutes, not letting me go very fast, but still pushing the boat a bit 6. Turns off 7. Rinse and repeat... cricket wireless change planWebJan 20, 2024 · Neglecting maintenance can cause the engine to fail prematurely and lead to costly repairs. There are several things that you can do that may cause significant damage to your boat engine. Dry starts, excessive warm-up, slow shifting, slow planning, improper trim, aggressive driving in rough seas, and neglecting maintenance are just a few of the ... cricket wireless change phonesWebAug 5, 2009 · Aug 5, 2009. #7. Re: 25hp 4 stroke mercury idles great loss of power/rough. Hello, I seem to have the same problem. The motor starts very easily. It runs at idle fine. When I try to advance the throttle, the motor does not have any power and it will stall if I try to go about 3000 RPM. I have replaced fuel filter. budgetchanelWebMany 2-cycle engines have problems and are sent to the junk yard before their time. Typical problems include hard starting, rough running, a need to adjust the carburetor during use to keep the engine from stalling, a need … cricket wireless charlottesvilleWebApr 12, 2016 · Top tips from one of Suzuki's expert engineers, focussing on possible causes of your large horsepower/performance outboard running rough and how to maintain ... cricket wireless changing numbersWebJun 15, 2024 · Here’s a run-down: Make sure that the kill cord is attached. Because your Suzuki outboard won’t start in gear, ensure the engine is in neutral. Inadequate fuel supply is a common issue, either from pinched hoses or a lack of fuel in the gas tank (s). Make sure that there’s no water in the fuel lines. Perform a visual inspection in the ... cricket wireless change mobile phoneWebOutboard Runs Poorly When Idling. The checklist for an outboard that remains running poorly at idle is the same as for when it stalls while idling. However, there's one more … cricket wireless change auto pay credit card