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Thread: 1991 kx250 tranny prob....

  1. #1
    dirtbike77 is offline At The Back Of The Pack Arm chair racerFirst time rider
    Join Date
    Oct 2002
    --
    168

    1991 kx250 tranny prob....

    ok all of a sudden ma bike in 4th gear stop workin? itll ride fine through all the gears but when i got to put the bike in 4th it jus makes a rattling noise and the bike wont move thenb when i out the bike in 5th gear it picks up again?

    any suggestions?

  2. #2
    Join Date
    Dec 2002
    Location
    Missouri
    --
    946
    the teeth on our 4th gear are gone.. Sounds like you got to split the cases and change the gear
    06 TRX450r , 85 ATC250r, 01 TRX300ex, 84 ATC110
    88 Mustang GT

  3. #3
    Join Date
    Jul 2003
    --
    936
    sounds like you chipped 2 or 3 teeth off your 4th gear
    Wanna race? ;-)
    85' Tecate (still looking for entire front brake asembly...)
    bonanza mini-bike
    if you cant ride with the big boys...put it back on the trailer

  4. #4
    Join Date
    Nov 2002
    Location
    Kirkville, NY
    --
    3,831
    I got a parts trike from a guy that said his bike did that same thing in 1st gear. When I took it apart it was missing one of its teeth on the 1st gear. When you take it apart to fix it look realy carfully, I was putting the engine back together before i saw it on mine.

    -Andrew
    1984 Yamaha YT 60 Tri Zinger(current project)
    1983 Yamaha YTM 200 (rear suspension kit)..... long term project
    2004 BMW R1150R
    1972 Honda CT 70
    2007 Lifan 110

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