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Thread: 400ex carb jetting...

  1. 02-08-2007, 01:29 PM #1
    drifterx's Avatar
    drifterx
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    400ex carb jetting...

    I heared the 400ex carb helped gain some good power on a 300ex. Any opinions on this? What kind of jetting did you guys run? Currently i have only an HMF Slip on and a K&N, with no lid, any suggestions on jetting for that? Thanks!
    2004 Yellow 300ex
    - HMF Slip on pc/d black chrome, K&N air filter, Dynojet, DG nerfs and bumper, AC grab bar, red shockwears, 21" front and 20" rear Razrs, Works Triples, Burgard +3's, Tusk extended rear hubs, JT 14t front sprocket, Pro Design tether kill switch, Maier 250r hood, N-Style 400ex graphics and seat cover, Renthal CR high handlebars, 50/50 Grips, MSR gripper levers, UM swinger skidplate, Tusk p-brake blockoff...

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  2. 02-08-2007, 02:18 PM #2
    Family Guy
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    With a stock engine 400ex carb is a waste.
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  3. 02-08-2007, 03:44 PM #3
    2muchquad
    2muchquad is offline engine performance guru
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    try a 400ex carb and start with a 144 main.it does make a difference once its dialed in.
    426ex,lt250r banshee and kfx700 v force,yz250 mx bike
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  4. 02-08-2007, 03:45 PM #4
    2muchquad
    2muchquad is offline engine performance guru
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    try a 400ex carb and start with a 144 main.it does make a difference once its dialed in.
    426ex,lt250r banshee and kfx700 v force,yz250 mx bike
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