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Thread: jettin my new carb

  1. 02-20-2007, 10:45 AM #1
    drews250r
    drews250r is offline Junior Member
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    jettin my new carb

    Hey guys help me out i have just got a new 38mm keihen carb with the boysen super bowl. What jet size should i start out with. I have boysen carbon fiber reeds an esr trx5 pipe and had it port and polished fo mx. The motor is bored to 67.5 mm. do you guys know what jet size i should start with.
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  2. 02-20-2007, 12:49 PM #2
    86 Quad R's Avatar
    86 Quad R
    86 Quad R is offline Git "R" Done
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    what was the previous carb ya had on it?
    250R's...... "they gots bite wiff dat bark !!!" R's are fo sand bars.....

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  3. 02-20-2007, 04:10 PM #3
    drews250r
    drews250r is offline Junior Member
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    i had the stock size carb on it. i think they r 34mm.
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