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Thread: Bearings

  1. #1
    Canadian Beaver Inspector jkindt's Avatar
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    Bearings

    I have enough 6207 bearings to rebuild my crankshaft, but I cannot seem to find a 6307NR at a reasonable cost. The thing is, that bearing is not bad on my crankshaft... Is there a way to remove it without killing it? I have heard of bearing separaters that slide in behind the bearing, but I am not sure how this affects the bearing itself. Anyone reuse bearings??? I am not trying to cheap out, just don't want to fix what's not broken.

    Also, how do you know when you need to replace a rod, or just the rod bearings? I have two cranks and between them I have 5 rods that are not broken. There has to be three good ones among them!!!

    Any help is appreciated. Oh yeah, I am not doing the rebuild myself, I have a guy who owns a snowmobile shop and is familiar with Polaris sleds with Fuji motors and other triples. He really seems to know a lot about these things.


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  3. #3
    Canadian Beaver Inspector jkindt's Avatar
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    Okay...I need to recheck my supplier!!! I was quoted $80 for that single bearing!!!

    What bout the rods? Any way to tell if they are worn or if it is just the rob bearings that need replacing. Or are the rod bearings as much as a whole rod kit anyways???

    This damn crankshaft is definately going to be the most expensive single part on the ski!!! 3 hours about right for labor to rebuild, index, and true a crank? 3 hours @ $80/hr = $240 plus parts!!!

  4. #4
    Moderator beerdart's Avatar
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    3 hours? thats a long time for one crank.

  5. #5
    Canadian Beaver Inspector jkindt's Avatar
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    Quote Originally Posted by beerdart View Post
    3 hours? thats a long time for one crank.
    How long should it take to do a crank? I don't want to get ripped off.
    I will be supplying all the bearings and other necessary parts. Unless I can reuse some of the rods. Then I just have to find rod bearings...

  6. #6
    Moderator beerdart's Avatar
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    I have never rebuild a crank but 3 hours is a lot of time.. Call Jeff at Midwest Crankworks 920-434-3630

  7. #7
    Hayabusa's Avatar
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    Quote Originally Posted by jkindt View Post
    How long should it take to do a crank? I don't want to get ripped off.
    I will be supplying all the bearings and other necessary parts. Unless I can reuse some of the rods. Then I just have to find rod bearings...
    I won't go into all the details of what it takes to rebuild a crank however, if you are doing it "old school" style and not using special fancy JIGS and mass producing them like SBT does, I don't think 3 hours is unreasonable.

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