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  1. #1

    93 Polaris SL750 cyl walls

    Hi all, I'm a new guy looking for a bit of help. I have just picked up a 93 Polaris Sl 750 for next to nothing for me and the kids to rebuild over the summer but it needs engine work. One of the pistons has a hole and the cyl walls have some deep scoring. Does anyone know if or how much i can machine the jugs to install oversized pistons? Or should i just sleeve it? I'm also wondering where i can pick up a service manual for this engine for proper torque specs when i do the rebuild?
    Any help would be greatly appeciated

    Thanks


  2. #2
    Sooo...how much for the 780? stimpsonjcat's Avatar
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    Just FYI, SBT will do single cylinder swaps. $199 for remanufactured cylinder and matching piston. Comes with all the gaskets you need and the wrist bearing and piston pin. Seemed a pretty good deal to me based on what used cylinders are going for on Ebay.

  3. #3
    She likes the bike. But the ski gets her wet!!!! xlint89's Avatar
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    Welcome to the Hulk.

    You can actually bore the 750 out up to 2.25mm and make it a 795cc. (as well as many other sizes between that and STD bore)

  4. #4
    Thanks for all the info and help. One other question, besides the triple fuel pump, all fuel lines, oil block off plate and carb rebuild are there any other mods that would be recomended at time of engine rebuild? Also does anyone know the best place to get an engine service manual for this ski?

    Thanks

  5. #5
    She likes the bike. But the ski gets her wet!!!! xlint89's Avatar
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    The oil pumps work just fine. You just need to replace the hoses and filters periodically to prevent issues.

    make sure the autocock is removed, replace the petcock, and inspect your reeds for damage.

    You can get the repair manual at many places. Just do a google search.

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