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looking for advice on 108 stroker possible loss of cam chain tenssion

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  • looking for advice on 108 stroker possible loss of cam chain tenssion

    Can anyone shed some light on what to look for and what parts may have caused this failure

    I parked my bike up almost 2 years ago thinking the clutch pack had failed.

    so while waiting for parts to arrive I decided to drop the oil and get ready to repair clutch.

    when draining the oil I was shocked to find a few swarf like pieces of aluminium in the oil.

    I don't think this is the clutch

    I've removed the access cover to the cam sprocket and found there is no tension on the cam chain.

    I can rotate the flywheel by hand so the motor hasn't ceased but there is a lot of slop in the chain.

    I will pull the motor out next week.

    looking for advise please

    Has anyone had simular failure with the 108 setup

    Lostkey15 Z50A.jpg

    Cheers Steve
    Last edited by Lostkey15; 12th December 2018, 10:40 AM. Reason: trying to add photo
    "why blend in" when you can ride a HONDA mini

  • #2
    Cam chain tensioner lock nut and adjuster screw come loose allowing the tensioner rod to float?

    Take the flywheel and stator plate off and have a look at the tensioner assembly.
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    • #3
      As Jamie said, maybe the tensioner sprocket has fell off/worn badly
      Once I thought I was wrong, I was mistaken

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