Rf900 Tuning Issues, 0 - 1/8 throttle hesitation - Page 2
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  1. #16
    Super Moderator

    My Bike(s)
    Can-AM Spyder
    Ocala, FL
    Quote Originally Posted by OgeyTheTerrible View Post
    I'm thinking of just buying a set of used (untouched) carbs and see if that fixes it ..
    Are you testing with the air box and filter ON.......and the engine warmed up ??

    That probably is a good idea.....since some of the low speed jet passages are very small and hard to get to to clean out.

    Finding a "new" set of carbs in good condition might not be easy though.
    Don't believe everything that you think.

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  3. #17
    Stock air box, K&N filter, but as I mentioned above, I had the same problem with the stock paper filter, and there bike ran fine this time last year with no change since then.

  4. #18
    In Training
    My Bike(s)
    99 xvs 1100 vstar custom
    land of 10,000 lakes
    check your carb intake boots for a leak with propane from a torch. have you checked compression? are your spark plugs new? if each cylinder has its own coil you could swap coils between cylinders. if it still persists you could swap the carbs. (yes i know its a pain) are your valves adjustable?
    Last edited by DivineChaos; 05-20-2019 at 01:01 PM.

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