Hi H2Oski, saw your video I have exactly the same problem, had it for 3 years now caused stress & confusion out on the water, almost threw the towel in for boating. My mercruiser mechanic could not find the problem he took the boat out 4 times. I hope the switch does the trick, maybe I may get...
Yes I have a Alpha outdrive, saw a video from someone with same problem on s/r club. My problem is identical. Have not checked fuel pressure or compression, below 3200 rpm runs somewhat ok around 1500. It got up to $2000 for all the electrical work, driving the boat around trying to find...
for 3 years my engine starts backfiring & tack goes nuts when cruising abround 3200 rpm. I have replaced plugs, dist. cap, rotor & still happens. Took it to Mercruiser mechanic 4 times, he could not find the problem. I then put a new s/r tachometer on, still same problem, I feel unsafe on the...