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  1. #1

    Question Polaris engine specs

    Hi there

    i have a polaris sl1050 I want to turn the motor into a 1200cc I have cylinders and heads I am after any info to see what else I need or have to do to make this work engine specs would be good I.e crank stroke , bore and pin sizes etc any help would much appreciated any links possible would be good


  2. #2
    Click avatar for tech links/info K447's Avatar
    Join Date
    Jul 2007
    near Toronto, Canada

    See my signature links for some useful info.

    The crankshaft is different on the 1165cc engine. Crankcase might be different too.

    Not much from the 1050 motor that would just carry over to the 1200 configuration. Better to sell your 1050 motor any buy a 1200. The impeller will also need to be changed to match the added power.

    The 1050 is a sweet engine, revs up nicely. The 1200 is more coarse, shakes more.

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