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Thread: Dyno for cams
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Old 11-25-2008, 12:01 PM   #8 (permalink)
mikeinva
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Join Date: Mar 2007
Location: richmond va
Posts: 3,862
I cant see how the cams would lean it out that lean,thats way way lean.125 sounds small with good pipes and no air box even for stock carbs.One thing everyone need to know when dealing with any mechanical slide carb ,forget about the niddle till you get the main right,its not in play on these carbs as it is with stock vac. operated slide carbs.Once you open the throttle wot the niddle is not in the hole at all.If that fuel reading is right i bet that bike will pick up power on a wide open roll off to 7/8 throttle.From what it showing its so lean its cooking your motor.Any thing over 15to1 is danger zone.My guess would be a 140 to 150 main going by that chart.
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