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Yamaha noise??
yamaha pro 50 hp
It has a chirp/squeak at idle and a roar at WOT.. It doesn't do it all the time just part of the time.. On the WOT noise if I ease back just a few rpm it will stop and sound quiet.. any ideas??? Boat shop said the chirp wasn't a reed..and not to worry about it..??????? The sound is in the top of the motor..
Also what will make a choke stick??? I have to flip it back with my hand sometimes..
Last edited by FalconSmitty; 04-05-2009 at 04:13 PM.
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"If people concentrated on the really important things in life, there'd be a shortage of fishing poles." ~Doug Larson
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Try lubing the choke.
As for a chirp...its generally a intake port leak.
OR...something super tight that is allowing compressed air to escape.
TMD
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A leaking powerhead gasket will make a chirping noise also...
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"If people concentrated on the really important things in life, there'd be a shortage of fishing poles." ~Doug Larson
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