Outboard motor starts then dies

15 hp outboard starts with choke out and dies when pushed in. It then revs up to around 2000-2500 rpms on its own.

It seems like an electric problem.

Outboard motor starts then dies. Why does my outboard start and runs for 1 minute then diesshuts off. Locate the blackyellow wire where it attaches to the powerpack. Start engine and when you want to stop it you can clampstuff rags over the front of the carbs to choke it down.

Starts first pull which was a surprise. But no longer runs for more than a few seconds or gets much over half throttle before dyeing. Run time is variable.

Suspect the floatneedle and have disassembled the carb. Checks the fuel runs from the pipe - small but appreciable flow would empty the tank in 10 mins or so. If your Mercury outboard run then dies and you need to change your fuel filters on the 2005 Mercury the fuel filter is difficult to find.

In this video I wil. My 70 hp johnson outboard starts every time but immediately dies within 2 seconds. It can do this all day long.

You prime it raise the throttle assist choke it crank it it fires up instantly then immediately and mysteriously dies. Good fresh gas and the carbs recently cleaned. It seems like an electric problem.

Is it the stator. Engines Starts then Dies. You apparently have compression and ignition.

That leaves the fuel system. Yes what youve had to say indicates that the carburetor requires cleaning. The engine runs as long as fuel is being supplied via the fuel primer solenoid but fuel is not flowing thru the carburetor passageways.

Outboard motor starts the first time then wont start again. - Answered by a verified Marine Mechanic. We use cookies to give you the best possible experience on our website.

Engine dies wont even crank and trim motor wont work hormn still works. Intermittent engine stall-fuel flow issue. I have a Suzuki 4 stroke that is 10 years old.

It has been serviced and runs fine. However it will stall periodically. The sequence goes as follows.

Squeeze primer bulb prior to starting will start and run fine. Stop for awhile and then it will start up but stall within 2-3 minutes of starting. Sound like a bad Fuel Pump.

You said the primer bulb gets soft. When the motor starts try to get the bulb primed by pumping on it this should keep the motor running if it does rebuild the fuel pump and you should be good to goMake sure you have the vent open on the fuel tank also. 04-22-2009 1037 PM 3.

Mariner outboard motor starts runs then fuel comes. If you have carburetors your float is stuck. It can happen more than it should and if it is a smaller engine laying it on its side can cause it.

You would have to look at the float and imagine which way to lay the engine down in the future. The float could also be bad. Yamaha VZ150TLRY starts and instantly dies.

Last night I changes the VST filter and paper filter in the clear fuel filter on my 2000 Vmax 150 HPDI. I changed it after this past Sunday was on the water and at high rpms the motor started surging and doing the fuel starving thing. So I ordered the filters and last night went ahead and put them on.

Sounds like a lack of fuel so it starts on the fuel in the system then dies when thats run out. Could be a fuel pump or more likely just a poor seal around the fuel line. Try a jubilee clip around where the fuel line connects to the engine and tank fittings.

15 hp outboard starts with choke out and dies when pushed in. Sometimes boat issues seem like theyll be really complicated but end up being easy to fix. The Marine Mechanic Im going to connect you with knows all the tricks and shortcuts.

Tell me a bit more about whats going on so the Marine Mechanic can help you best. DF175 Revs and cuts off at startup. I have a 2012 DF175.

It runs great and has never given one minute of trouble. Recently I noticed it doing something a little strange and I wanted to see if anyone has any ideas. Motor cranks with no problem soon as you turn the key.

It then revs up to around 2000-2500 rpms on its own. Why Does My Outboard Motor Die When I Put It In Gear. Outboard engine RPMs are lower when they are in gear.

They can die when put in gear because one or more cylinders may have a problem and are not firing. Once in gear the RPMs are so low that the engine dies. Pump fuel bulb up hard crank engine and push the key in at the same time.

When the engine firesstarts release the key so that it falls back to the run position. Look upon the primer solenoid as an electric choke. Thousands of parts in.

Oct 08 2021 Re. Why does my outboard start and runs for 1 minute then diesshuts off. Might be a stuck needle valve in the carb.

Place the fuel can above Engines Starts then Dies Oct 08 2021 My 1993 Johnson 25hp starts up runs for a few seconds then turns off then its hard to start without using the key switch electrical primer. When an outboard boat motor floods it has too much fuel in the cylinder. This can make it either difficult or impossible to start depending on the severity of the situation.

Even if your boat motor will start you should try to find out whats causing the issue so you can fix it. Continuously running a flooded motor will degrade its components while subsequently reducing the life expectancy of your motor. I have an 81 Evinrude 45Hadnt been run in yearsA month back I changed the old impeller then tried it in a test tankShe started right up and ran real niceBut it couldnt be that easyAs soon as I launched the boat 2 weeks agoEngine starts runs for maybe 5 or so seconds then diesChecked.

Older two-stroke outboard motors are prone to build-up in the carburetor. The fuel when mixed with two-stroke oil only lasts for a few months. As the fuel evaporates it leaves a build-up inside the carburetor restricting the amount of fuel the motor can get.

When this happens the motor starts to misfire and run roughly or lose power.