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Thread: Cylinder Bore?

  1. #1
    dolson's Avatar
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    Cylinder Bore?

    I recently bought used cylinder off ebay. the walls look great. The issue is it is at 81.9mm and I need to purchase a piston kit, Do you think I can get away with a 82mm rebuild kit or should I bore to 82.5mm. and If I bore to the 82.5mm over the 81mm stock will I need any card work done? the other cylinder is at 81mm so I will need to bore that one either way. it is a 97 slt 700

    thank you


  2. #2
    john zigler's Avatar
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    You really need to use a dial bore guage, and check the cyl for taper, out of round, etc.

    Both cyls need to be the same size, so you will need to bore your other to match.

    No carb jetting will be needed, you may need to just tune a little with the high, and low speed screws.

    MOST important, is to determine what caused your original engine failure, and address that issue before you re-build

  3. #3
    dolson's Avatar
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    thank you for the input. I will bore to a 82.5mm

    Neglect from previous owner was the issue. I believe I have resolved the problem.

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