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  1. #1

    Join Date
    Jun 2006
    Louisville, KY

    Will jet works work on 4 Stroke

    Simple question, within the header. Thanks

  2. #2
    I can't think of a reason that it wouldn't?

  3. #3

    Join Date
    Apr 2006
    Gore, New Zwaland
    It would be of no benefeit. On a 4-stroke, torge at low revs is maximised with high back pressure, and horse power at high revs is maximised with low back pressure, this is the exact opposite to the requirements of a 2 stroke. Now you know why Yamaha use an EXUP valve on some of their road bikes. REXA.

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