I've read several comments regarding service bulletins for plug gap changes, .040" to .030" (Dunk); and and that with "todays gas you have to rejet the carbs to not run lean"(Dhadley). I would like to know if any mechanics recommend opening the fixed idle jets from .034" to a larger size with a...
I bought a used 90hp johnson that never idled correctly. It runs fine as long as the throttle plates are just cracked open, but as soon as they close the engine dies. I am unable to confirm my throttle pickup timing at 4 degrees BTDC with it running because of this problem. COULD THIS BE THE...
