Recent content by mag600

  1. M

    Can Yamaha 9.9 be converted to 15hp?

    I have a 9.9hp 2 stroke (I belive circa 1985) and have been told that they can be made to output app the same as the 15 with changes such as carbie/jets etc. Does anyone know if this can be done? If so then what would need to be done? Cheers.
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