More Problems, need experts. Sputturing Engine.

Reming870

Petty Officer 2nd Class
Joined
Jul 15, 2010
Messages
191
1984 Starcraft Islander 191
Mercruiser 140 HP
Alpha 1

Engine ser# is 6829350

Ran the boat for about 1/2-hour yesterday tubing and well went well. Then I heard the motor sputtering and I started losing power. Exhaust smelled rich and I couldn't get the motor back running OK. PLaying around a little I could smooth out at 3,000 RPM and run OK, but once I gave it more throttle the sputtering and stalling started to occur.

I do have a new Rochester Carb on it recently installed.

Adjusted the timing, which was off prior to the run, but was OK for the last run.

Thoughts?
 

superbenk

Commander
Joined
Oct 27, 2008
Messages
2,033
Re: More Problems, need experts. Sputturing Engine.

Fuel delivery issues possible. Check your fuel tank vent & anti-siphon valve.
 
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