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Thread: Yamaha noise??

  1. #1
    FalconSmitty's Avatar
    FalconSmitty is offline Crappie.com Legend
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    Default 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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  2. #2
    The Marine Doctor is offline Slabmaster
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    Default

    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

  3. #3
    ky-slabseeker's Avatar
    ky-slabseeker is offline Slabmaster II
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    Default

    A leaking powerhead gasket will make a chirping noise also...

  4. #4
    FalconSmitty's Avatar
    FalconSmitty is offline Crappie.com Legend
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    Default

    thx yall..
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