Scratched crankcase help!
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  1. #1
    PWCToday Newbie Renjoh's Avatar
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    Mar 2019
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    Mississippi
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    Scratched crankcase help!

    Hello everyone, I just bought a 1997 Polaris SLT 780 a week or so ago, and the engine was disassembled due to a burned up Piston and bad crank bearings. I looked in the bottom of the crankcase and it has a scratch from I believe the crank contacting it. It's in the very bottom of the case, not the ridges where the crank sits on but the very bottom valleys. It's two little grooves maybe a millimeter or 2 millimeters deep. Do you guys think that ruins the crankcase or no? Maybe weld it and smooth it back out? Thanks for any help!

  2. #2
    Top Dog Bionic racing's Avatar
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    Aug 2016
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    Re: Scratched crankcase help!

    Put some gasoline in that lower case half , check to see if it leaks through , if no leaks or cracks run it , Polaris has pretty tough cases unlike kawis

  3. #3
    PWCToday Newbie Renjoh's Avatar
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    Re: Scratched crankcase help!

    Sweet, I'll definitely try that! Thanks for the help!

  4. #4
    PWCToday.com Is My Home Away From Home john zigler's Avatar
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    Mar 2003
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    Re: Scratched crankcase help!

    Yup probably just cosmetic. As Bionic says above, make sure it is NOT cracked.

    I have Polaris parts available here, if you need. Crank seals, case sealer, pistons, rings, gaskets, can bore your cyls, good used crankshafts, cases, carb kits, fuel pump rebuild kits, and more.
    RCJS also doing business as WATCON
    608-743-1305 9am to 5pm CST m-f
    email watcon@watcon.com

    Please visit our web sites

    new parts / products / services www.watcon.com
    used parts www.rockcountyjetski.webs.com
    thank you

    Please check out and like WATCON on Facebook

  5. #5
    PWCToday Newbie Renjoh's Avatar
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    Mar 2019
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    Mississippi
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    Re: Scratched crankcase help!

    Awesome! I'm sure I will be needing some of that stuff, so I will be sure to contact you! Thanks!

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