1990 35 hp force engine on 16' Grumman v-bottom fishing boat. Engine is in great condition and seems to have proper hp. Boat struggles to get on plane with more than 1 person. Boat is fairly heavy with both batteries, gear, gas etc...Once on plane boat will cruise right along, guessing 20-25...
I'm new to boat engines and am wondering how to tell if ignition is properly adjusted. Are there index marks under flywheel for full advance and retard? This is on a 1990 35 hp Force engine that runs very good and yes I understand its only 35 hp but feels very "lazy" in midrange. Compression in...