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  1. #1

    94 Polaris SL750 Pistons And Rings......

    I just bought a 94 Polaris SL750...The guy told me it ran great and had just taken it out the weekend previous (even showed video footage of it) he thought that it needed the carb's cleaned.....Well we got it cleaned up, took it out on the water and it barely would get out of the water....We took it back home, and did a compression test....It would only register about 90 for each cylinder......We cleaned the carbs and still the same thing.....We're thinking it needs new pistons and rings......

    Anyone have any for sale?????


  2. #2
    She likes the bike. But the ski gets her wet!!!! xlint89's Avatar
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    You need to find out if the cylinders are damaged first before you buy anything. You may need to bore the cyls and get oversized pistons if there is damage.

  3. #3
    The cylinders look good.......

  4. #4
    Did you actually pull off the heads and look at each one? Go to partsland.com , they have everything

  5. #5
    She likes the bike. But the ski gets her wet!!!! xlint89's Avatar
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    Quote Originally Posted by LMORENO2008 View Post
    The cylinders look good.......
    Well, if that's the case, then I'd have the cyls honed and run new pistons and rings.

  6. #6
    Yes the heads were removed completely and the cylinder's looked good....

  7. #7
    Looks dont cut it, you need to meausre the bore size and piston clearance.
    Do the job right the first time and you will be much happier. Pull the cylinders and pistons off the engine and check the clearance. No matter what, they will need honed if not bored with new pistons

  8. #8
    xplayer2885's Avatar
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    LMORENO, did you check the pop off when the carbs were off? It should be about 18psi. When i went to rebuild be carbs due to a lean cylinder i had noticed some one set the pop off to 36 psi Its very easy to check as well, do a search in the tech section or just ask.

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