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  1. #1

    Join Date
    Jun 2015

    Exclamation 1997 seadoo gtx do I need to bore the jug?

    I have a 1997 seadoo gtx that only had 80.9 hours it sat for a long time due to the person before me loosing the key. I work on dirtbikes and you can replace a top end without boring it every time and even just replace rings and it would work just fine. Trying to figure out if I need to bore it the jug had zero scoring and is smooth around whole wall of the jug. Pistons don't even look worn but psi is at 120. I would like to just replace the rings and call it a day but I know that probably is going to work. What are my options and what absolutely has to be done.

  2. #2
    YOu only bore a cylinder if your using a oversized piston.
    use a standard piston, get the whole set , that includes everything you need or a top end, $200, would recomend honing the cylinder just like on a dirtbike

  3. #3
    Mighty Mouse's Avatar
    Join Date
    Feb 2011
    Depends if it is out of round or out spec for the std size. Need a bore gauge to determine wear. Definately hone. But you'll probablby are ok.

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