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+--- Thread: weird sound om605 (/showthread.php?tid=7733)
weird sound om605 - Antonio - 05-08-2017
605 with 6mm m pump, when engine is on idle i runs okay, when i rev it slow its okay but when i rev it fast i hear like a clunk sound... a few days ago it ran okay, small chunk of toilette paper that was blocking dirt when the intake was off is sucked in when engine is working... any thoughts?
i think that the intake valves are okay, they close and open all the way, no smoke going from intake back
head must go of?
PS: dont work late nights tired...
RE: weird sound om605 - AlanMcR - 05-08-2017
Perhaps snapping the throttle open moves the engine block enough to hit something on the body (brake booster, etc)?