I have an 1989 mercruiser 130 i/o that shakes pretty rough at 1000 rpm. All four plugs are good and have spark and are geting fuel. WOT has good rpm and speed. After putting the drive in gear and giving it a little more throttle than idle it starts shaking hard enough to sake the whole boat, but...
As a novice boater I could really use some help! :-) I have a '89 160 Searay with a 3.0L engine and an alpha 1 gen 1 outdrive.
Here's my problem - I was running almost full throttle when I hit something in the water. We belive it was a log, but didn't see it afterwards. Anyway, whatever I hit...
