Has anyone had hard hits on engine sound when reving between 3-4K ?
Wasn’t sure if there is some piston hitting or water in fuel , etc.
Any suggestions of what could be issue?
Didn’t know if it was just a common sound in this engine.
Wasn’t sure if there is some piston hitting or water in fuel , etc.
Any suggestions of what could be issue?
Didn’t know if it was just a common sound in this engine.