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Thread: What size jet should I run?

  1. #1
    Join Date
    Mar 2010
    Location
    Wisconsin
    --
    201

    What size jet should I run?

    Take a look at my signature. I have no idea what I should run in the carb. I think their is a #79 in the 22mm carb now.
    1978 ATC 90
    22mm Keihin carb
    Ported intake/head
    Performance cam
    56mm 9.5:1 piston
    110 cylinder/crank
    110 cylinder/ timing chain
    Front drum brakes
    Brush guard
    Complete rebuild to a 122cc
    Complete frame off restoration.
    $1400 invested

    1983 ATC 110
    22mm carb
    Ported head/intake
    Performance cam
    56mm 9.5:1 piston
    Complete rebuild to 122cc
    Complete frame off restoration
    $1000 invested

    1984 200x
    26 mm carb.
    CR85 rear caliper
    TRX hubs/rims
    $871 invested

  2. #2
    Join Date
    Dec 2004
    Location
    Baltimore, MD
    --
    6,088
    You are just going to have to experiment like everyone else. I really don't want to get on your case about this being one of those kinds of questions that you shouldn't ask since it just gets people upset. You just need to start reading your plugs and doing plug chops. Get ready for the fun and buy 10 or 12 plugs and get busy. LOL Seriously though....
    Nicholson 500x (Project)
    Nicholson 185s
    Nicholson 110 (That takes an atc70 tank)
    Ascott 500 head/350x (Project)
    Homebuilt Racer Chromoly Suspension 110 (Ragin Runt)
    PK Racing Suspension 70
    A+ Inc Suspension 70
    AWS Aluminum 90 frame
    Hi Performance ATC Suspension frame rd350
    Hi Performance ATC Suspension frame 90

  3. #3
    Join Date
    Mar 2010
    Location
    Wisconsin
    --
    201
    Well. I'm just looking for a general consensous.
    I don't understand why this question out off all the questions I have asked would upset people?
    1978 ATC 90
    22mm Keihin carb
    Ported intake/head
    Performance cam
    56mm 9.5:1 piston
    110 cylinder/crank
    110 cylinder/ timing chain
    Front drum brakes
    Brush guard
    Complete rebuild to a 122cc
    Complete frame off restoration.
    $1400 invested

    1983 ATC 110
    22mm carb
    Ported head/intake
    Performance cam
    56mm 9.5:1 piston
    Complete rebuild to 122cc
    Complete frame off restoration
    $1000 invested

    1984 200x
    26 mm carb.
    CR85 rear caliper
    TRX hubs/rims
    $871 invested

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