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  1. #1

    89 kawasaki 650sx

    all stock 650. has been running great for 3 years. last week started up fine and idled fine, but seemed bogged down while on throttle. would barely get on plane and occasionally have a "hitch/bump" (for lack of better description) when on throttle. spark to both plugs, 130 compression in both, pisser running water.
    Any ideas of the problem???? cid, reeds, fuel issue????
    Thanks


  2. #2

    Join Date
    Jul 2011
    Location
    Johnson City, TN
    Posts
    39
    Check gas first. Replace with fresh gas/oil. I broke a reed on my 750sx and it acted like you described. Only way to know for sure is pull intake manifold. They sell reeds cheap on ebay. Good luck!

  3. #3
    reeds looked fine. fuel pump pumping fuel. ski fires up perfectly fine. will replace plugs and go from there. any other ideas would be greatly appreciated.
    Thanks

  4. #4

    Join Date
    Jul 2011
    Location
    Johnson City, TN
    Posts
    39
    Hmmm? Got me. I know thats frustrating. Maybe carb needs to be cleaned?

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