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Thread: rg250 engine problems

  1. #16
    Join Date
    5th March 2009 - 15:30
    Bike
    1987 suzuki gsxr750
    Location
    north shore
    Posts
    1

    weak RG250

    Have you had any luck sorting your RG?
    Ive got one that Ive fitted 1mm OS pistons & rings, its an 84 with no power valves.
    It runs OK but is real weak in the mid range , 1/4 to 3/4 throttle, then when the revs get to around 6500 it takes off - smoke & noise everywhere.

    Im going to try raising the needles, at 1mm overbore its nearly 5% larger so maybe running lean
    Also I'll have a look at the electronic air valve, it bleeds air into the carb emulsion tube, but cuts off at about 6500rpm
    good luck

  2. #17
    Join Date
    20th July 2009 - 14:30
    Bike
    Evo 5
    Location
    doggtown
    Posts
    341
    depends why it was parked 10 years ago. if it was parked going and fine. then it wouldnt be the engine seals would it

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