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1986 trx 250r

  1. 1986 trx250r motor trouble

    Lounge
    Hey everybody, I have 2 separate 86 trx250r motors that I'm having the same exact issue with and need ur help. I split the cases on both motors and replaced the crank bearings and crank seals on both with all new gaskets and piston and rings. After the motors were all back together and in the...
  2. I have a couple questions! Please help! ?????

    Lounge
    Ok. I just Got my top end rebuilt(new sleeve, piston, seals) i put my motor back in and after about 7-8 kicks it fired right up. But. It still wont idle, i had this problem even before the rebuild. Could this mean there is a air leak? Does my carb. need to be Rebuilt(37mm pj keihin with a...
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