Hi,
last year i bought a boat with a Yamaha 1994 2 stroke engine 140HP (the navy blue ones). It always worked pretty well for me but lately it's been switching off unexpectedly.
Engine is saltwater BTW.
I noticed that it goes off mainly when it is still pretty cold after about 5-10mins from starting it up. When it goes off it takes about 2 minutes of trying to start it up again to start... and after coughing everytime during those 2 mins, it starts up and works flawlessly until the next time it gets cold again.
I also noticed, that lately it wouldn't start up as easily as it used to if you leave it for about 3-4days without starting it up... basically it takes 2-3turns to start up now, whilst before it used to start up immediately or on the 2nd start...
The water coming out of the engine is always pretty cold and considering this happens when the engine is still 'cold' i doubt it is an overheating problem.
Mechanic just serviced it a couple of weeks ago and changed fuel filter, spark plugs and greased engine.
Any tips or ideas on what the problem may be? I am not a mechanic but can do some basic troubleshooting myself.
help is appreciated
thanks
last year i bought a boat with a Yamaha 1994 2 stroke engine 140HP (the navy blue ones). It always worked pretty well for me but lately it's been switching off unexpectedly.
Engine is saltwater BTW.
I noticed that it goes off mainly when it is still pretty cold after about 5-10mins from starting it up. When it goes off it takes about 2 minutes of trying to start it up again to start... and after coughing everytime during those 2 mins, it starts up and works flawlessly until the next time it gets cold again.
I also noticed, that lately it wouldn't start up as easily as it used to if you leave it for about 3-4days without starting it up... basically it takes 2-3turns to start up now, whilst before it used to start up immediately or on the 2nd start...
The water coming out of the engine is always pretty cold and considering this happens when the engine is still 'cold' i doubt it is an overheating problem.
Mechanic just serviced it a couple of weeks ago and changed fuel filter, spark plugs and greased engine.
Any tips or ideas on what the problem may be? I am not a mechanic but can do some basic troubleshooting myself.
help is appreciated
thanks