We installed a PERKO Pro Flush onto our new Mercruiser 5.7L Alpha 1 engine package this winter (also replaced the engine due to salt water damage). My mechanic says, since the Alpha 1 impeller needs to stay lubricated, that we must only use the fresh water flush system when the boat is both in...
My 40hp dingy engine started fine and will continue to run in Neutral on high RPM. It will not idle or run while in gear. The engine ran like a top at the end of last season. This problem occurred during initial season start-up. Is it bad fuel? Choke? or something else?