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Thread: How to fix big red chain from jumping off??

  1. #1
    Join Date
    Mar 2006
    Location
    Mount Pleasant, IA
    --
    52

    How to fix big red chain from jumping off??

    I've got an '83 200e and the chain has a tendency to jump off the rear sprocket (even in the yard). The chain doesn't seem to have too much play. Now I'm working on changing the left engine case which cracked (man, those things get brittle when they're old!!). Could I reinforce the case somehow or prevent the chain from jumping? Does anyone else have this problem with big reds?

    bobbyg

  2. #2
    Join Date
    Mar 2005
    Location
    Underwood North Dakota Tiger country
    --
    1,055
    check your rear axle bearings that would cause the chain too jump
    Trikes currently owned
    E.T. trike 150H.P. and climbing Pure DRAG beast
    85 250r project

  3. #3
    Join Date
    Dec 2004
    Location
    Pa.'s Highest City
    --
    8,058
    Ever consider fabbing up something like this? This will save your case if the chain jumps.

    http://www.3wheelerworldforums.com/s...dback+sblt500r

  4. #4
    Join Date
    Sep 2004
    Location
    springville, PA
    --
    6,185
    if your bearings are shot in the rear you can have the chain as tight as you want and it will still jump. Kept happening on my quadsport till I figured out WTF was happening. try to wiggle the rear end and see if it has play.
    Nate

    The Myth, The MAN, The Legend
    R.I.P HRR

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    Fact: Dr. Death is Bob from Enzyte.

  5. #5
    Join Date
    Jan 2005
    Location
    RI
    --
    2,530
    same thing happened on my quadsport

    turns out teh swinger bearing tube was trashed and gave it so much plan the chain would slip off
    1986 Tri-z
    1985 250r
    1985 200s
    1985 70[/SIZE]

  6. #6
    Russell 350X's Avatar
    Russell 350X is offline Testicles between my toes at the devils backbone Teaching quads a lesson
    Join Date
    Mar 2003
    Location
    Steamburg/Randolph NY
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    3,092
    Sounds like you need new bearings and/or a new sprocket.
    TF 07,08,09,10,11,12,13,14!
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    SAY IT!!!!!BUD LIGHTS AND RED LIGHTS!!!!!!

  7. #7
    Join Date
    Jul 2005
    Location
    leroy, new york
    --
    1,025
    spockets might not be aligned

  8. #8
    Join Date
    Jan 2006
    Location
    leroy,ny
    --
    245
    your sprocket might be shot

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