Help with Chumba F4- Mtbr.com
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  1. #1
    mtbr member
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    Join Date
    Jan 2004
    Posts
    33

    Help with Chumba F4

    Hi,
    I've got a new to me, Chumba F4 that has a little bit of lateral play in the rear swingarm. Two questions:

    1) Is the play usually caused by worn main bearings or worn dogbone bushings or both?

    2) The bolts holding the main bearings won't budge: Are they reverse threaded? Or do I just need some major torque to get them loose?

    Thanks in advance for your help.

    Clem

  2. #2
    Made in China
    Reputation:
    Join Date
    Jan 2006
    Posts
    378
    hey rip

    All the chumba guys are at vegas for interbike. Try emailing them but I'm sure it will take a while for them to get back to you. Call them next week and ask for Dave and he definitely will help you out.
    "Didn't your doctor tell you to stop smoking and drinking?" George Burns "Yes but they all died"

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