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Thread: 1984 Atc250r carb starting point help???? Jetting ???

  1. 01-30-2018, 04:21 AM #1
    Dcaldart
    Dcaldart is offline Registered User New to the board
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    Apr 2017
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    1984 Atc250r carb starting point help???? Jetting ???

    I need a starting point for the following set up

    Fresh Bore .80 over
    New PWK Keihin 36mm
    stock bottom end
    Aftermarket dg exhaust
    No air box
    KN air filter

    New Card came with:

    Main Jet: #170
    Pilot Jet: #55
    Jet Needle: C.A. 7.0


    Need jet starting point

    Thank you any help
    Last edited by Dcaldart; 02-01-2018 at 03:01 PM.
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