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  1. #1

    Join Date
    May 2013
    fargo nd

    Yamaha 760gp rebuild, fun fuel efficient ski

    Hey guys,

    I picked up a cheap 760 gp from a guy... Turns out after a day I find out why it was so cheap, lost a piston.

    So, I'm rebuilding it. Its really not that cost effective compared to what I'm getting out of it, but I'm not really, 100% concerned about it. Its a good learning experience. Considered going to a 1200, but currently here's whats going on the 760:

    -Picked up a set of prok multi-fit FAs and adapters
    -Carbon tech reeds and aftermarket cages standing by
    -Wiesco 85.5 oversized pistons
    -ADA racing head, 42cc chambers (OEM head was shot to hell)
    -Cases are going to Group K for porting/bore

    Still debating on buying a used Protec Mach1 GP specific pipe, if anyone has a thought on this, chime in.

    That's all I have so far, everything I have there is bought second hand to reduce cost. Going to need a prop, but haven't talked to Impros yet, won't know much until its more near done and I have decided on a pipe or not. Will also likely do a Jettrim seat cover and replace my hydroturf down the road with fresh stuff.

    Click image for larger version. 

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  2. #2
    I just did the exact same thing.. Rushed to get the deal, didnt bring my compression tester and started and sounded good. Got it home and 70 mag 125 pto.. Gonna get the head off and order pistons tomorrow...

    where did you get your piston kits? I am deciding what to get right now..

  3. #3
    I have been reading and it seems dont seem to help much, just port/head/prop! most bang for the buck... My parts should be here any minute

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