Same story, same problem for 3 years. My 3.0 merc. runs like a new engine for 15 to 30 minutes. Never misses a lick. It slowly starts to sputter and I back off the throttle and it runs ok for a few minutes and then continues to sputter until it quits. After An hour or so it will restart and run...
Hey guys,
I have a 1991 3.0 mercruiser with points ignition. Over the last 2 yrs. I have been fighting the same old problem. Engine runs fine for anywhere from 10 to 30 minutes. Sometimes when I go to trim the engine.the motor starts cutting out. Entire ign. system has been replaced, carb...
1991 mercruiser 3.0. Whenever I hit my power trim it causes the engine to miss. The boat runs fine for about 15 minutes before doing this. It will eventually get to the point that the engine will quit and not restart. I think I have traced the problem to the trim units on the outside of the...
I have a 1991 SeaRay 3.0 Mercruiser with points ignition. The engine runs like a new one for about 10 minutes at wide open throttle or close to it . It then begins to miss. I back off the throttle and it runs fine for another couple of minutes and begins to stammer again. I back off again and...
