SBT Jetski Engines, Parts & Accessories

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  1. #1
    Dec 2005
    Chattanooga, TN

    Default Different size cylinder bore - Oversize pistons

    Is there any reason I can't bore one cylinder over .25mm and the other over 1.0mm on a 1996 SL700? I realize the ideal would be to keep the cylinders the same size but if one doesn't need it, can I just do one and not the other? Would it warp the crank over time or damage the bearings?

  2. #2
    Mar 2003

    Default Re: Different size cylinder bore - Oversize pistons

    Polaris cranks are the most sturdy to begin with. Throwing it out of balance is just asking for trouble sooner or later.
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