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Thread: Motor ?

  1. #1
    Join Date
    Feb 2007
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    Default Motor ?


    50 Hp 4 stroke runs perfectly at idle ten missed a bit at higher rpm. Ideas?
    G3PO

  2. #2
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    Oct 2006
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    Seen that with bad / clogged injectors

  3. #3
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    Mar 2013
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    I had the same problem with my 115 Yamaha. Marine Service in Rock Hill took injectors off & send them to be tested, cleaned & re-calibrated. Problem resolved.

  4. #4
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    Sep 2010
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    Give it a good dose of SeaFoam and run the poo out of it and see if it clears up.
    GO BIG ORANGE !

    I meant to behave, but there were just way too many other options available at the time.
    Likes strmwalker, BigDawgg LIKED above post

  5. #5
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    I always use sea foam. It saved a total carb rebuild one already

  6. #6
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    Apr 2010
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    Quote Originally Posted by brettw View Post
    I always use sea foam. It saved a total carb rebuild one already
    how do you use it ???? every fill up or every other fill up and how much do you use ??? I always use 1 whole can of seafoam to every fill up of 12 gallons of gas !!!

    "What if you woke up today with only the things you thanked God for yesterday"
    "Life without God is like an unsharpened pencil - it has no point. "AMEN"

  7. #7
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    I use the amount in the instructions

    and

    i have a separate 3 gal tank that I use once in a while to give it a strong dose
    G3PO

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