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Thread: TOP SPEED 1987

  1. #1
    Member Hotrodjohn's Avatar
    Join Date
    Jul 2011
    DFW, Texas
    I got my new CDI in a few weeks ago and finally got that fixed... Its amazing how that CDI can run one day and not the next and trick you into thinking its the carb. Anyway, my carb has stock jetting, 40 and 114 and no shim in the needle. I got it out today, put 28 psi in front and back tires, 75 degrees, under 5 mph wind. Got it up to 65 on GPS, the speedo said 68 or 69. I have a new yamaha 118 jet for it but havent put it in. I dont think it will gain anything on top end with it. It has apparently stock 14/50 sprockets. Anyone think 118 will do anything except use more gas?
    87 (2) TW200 89 (2) TW200

    91 Honda XR250L

    97 Honda Valkyrie

    01 Kawasaki KDX200

    78 Suzuiki GS1000

    1970 (2) CT70H

    1974 Suzuki GT185

    1981 Honda C70 Passport

  2. #2
    Banned qwerty's Avatar
    Join Date
    Jul 2010
    NW Tennessee
    If top speed is important, trade up.

    Try the 118 and see what happens.

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