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Thread: k75 rear drive

  1. #1
    Registered User drrider2's Avatar
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    k75 rear drive

    I just had my first driveshaft failure at 88k miles. is the paralever rear drive from a k1100 stronger, and has anyone done the conversion?

  2. #2
    Focused kbasa's Avatar
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    Re: k75 rear drive

    Originally posted by drrider2
    I just had my first driveshaft failure at 88k miles. is the paralever rear drive from a k1100 stronger, and has anyone done the conversion?
    I know Greg Hutchinson has, but I don't think he's monitoring the board. I'll see if I can get him over here.

    From what I hear, the paralever isn't appreciably stronger, it just fails in a different way, usually Ujoints.

    What failed on your driveshaft? Splines or Ujoint?

    dave
    Dave Swider
    Marin County, CA

    Some bikes. Some with motors, some without.

  3. #3
    Blocking the slow lane
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    88K miles? How long is a $180 driveshaft supposed to last?
    Jon Diaz
    BMW K75/K12GT
    BMWMOA Ambassador

  4. #4
    looking for a coal mine knary's Avatar
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    If the final drive splines failed as well, you can get them rebuilt, stronger than original, and a new driveshaft, together for under $500 from Hansen's BMW in Medford, OR.

  5. #5
    Registered User drrider2's Avatar
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    my last r80 had way over 100k and never had any driveshaft problems. I was surprised to have a spline failure with so few mileshaving lubed them yearly.

  6. #6
    looking for a coal mine knary's Avatar
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    Originally posted by drrider2
    my last r80 had way over 100k and never had any driveshaft problems. I was surprised to have a spline failure with so few mileshaving lubed them yearly.
    Welcome to the wonderful world of 2-valve k-bikes. Think of it as one of the trade-offs of having a bike that otherwise requires such little maintenance.

  7. #7
    Blocking the slow lane
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    I got my third driveshaft at the 175K mark. Neither of the "bad" ones had a spline issue....the u-joint got tight and notchy. So they were replaced.
    Jon Diaz
    BMW K75/K12GT
    BMWMOA Ambassador

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