surging

I know questions on this generator have been beat to death, but I have been pouring through the posts on the forum and I can't seem to find my specific issue previously posted. My QuickSilver Generator 7.5G starts fairly easily and runs smoothly. Handles the load of both AC units and with a...

Hello all. Looking for some help as I am baffled to resolving my issue. I have a mercruiser 7.4MPI serial # 0L085399- MEFI3. I am having issues that when I go past 2000 rpm the needle on the gauge rapidly starts to jump from 2000 - 2200 -2500 and so forth its not a smooth increase in rpm like it...