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Thread: 25 hp yamaha 4 stroke 2002

  1. #1
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    Default 25 hp yamaha 4 stroke 2002


    to start when cold must throttle wide open to get it to start ,when it starts it acts like it is flooded for a little while before reving up .once warm starts fine every time.Any idea why?

  2. #2
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    Possible temp sensor skewed or leaky injector. Be best to have it hooked up and scanned

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    There will be days when the fishing is better than one's most optimistic forecast, others when it is far worse. Either is a gain over just staying home.

  3. #3
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    Has carb. not injected,seem like this is a common problem with 4 stroke yamaha . no one seems to have answer.

  4. #4
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    Cray is offline Crappie.com 2019 Man of Year, Supermod & Moderator of the Mechanics Forum * Crappie.com Supporter
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    Have you tried changing the plugs. That is one thing I have found on them.
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  5. #5
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    Could need a good carb cleaning
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