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Convert 40hp to 50hp

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  • Convert 40hp to 50hp

    Wanting to convert a 40 to a 50, was told you could just change the exhaust manifold. Does anyone know if this is correct?
    Thanks

  • #2
    Not completely sure what all needs changing ,but I know the main jets ,pilot jets, air jets , and maybe the reeds are different along with the exhaust.

    You can look at the part breakdowns and see that all is different and the same.

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