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Thread: Jumps out of high range

  1. #1
    Join Date
    Dec 2018
    Location
    Oxon
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    2

    Jumps out of high range

    Hi

    I have a 1980 atc 110 that I have owned for many years, but I have an issue with high range..
    I have changed the complete sub transmission twice but to no avail

    I have made sure she is properly located into high range but as soon as she's under load she pops out into the 'mid position' between high & low
    any help would be much appreciated
    all gears work well in low range and the clutch seems fine

    Thanks

  2. #2
    Join Date
    Jul 2009
    Location
    South Florida
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    5,665
    Are you sure the ball and spring that holds the shift fork from moving are their and installed correctly ? The shift fork shaft can be installed backwards and show your symptoms .
    Could also be a bent sub tranny shift fork or the related gears are worn and not meshing correctly .
    Their are differences in years on the sub tranny so possibly wrong set of gears ?
    Last edited by shortline10; 12-03-2018 at 04:55 PM.
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  3. #3
    Gabriel's Avatar
    Gabriel is offline At The Back Of The Pack Arm chair racerAt the back of the pack
    Join Date
    Jul 2018
    Location
    TN
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    318
    Yeah, sounds like the detent on the shift drum is bad or missing.
    Amateur Resurrectionist

  4. #4
    Join Date
    Dec 2018
    Location
    Oxon
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    Quote Originally Posted by Gabriel View Post
    Yeah, sounds like the detent on the shift drum is bad or missing.
    Cheers for the advice
    I will double check the sub trans and let you know the outcome

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