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Honda MX & Off-Road Dirt Bikes
05 cr250 jetting
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[QUOTE="oldfrt613, post: 997880, member: 62011"] The groove around the big diameter is the indicator for the new pilot jet, the metering diameter ( small diameter with all the holes ) is about .096" dia on the new jet, the older style is about .078" dia other than that, they appear to be the same. Ref info: big dia is about .196" dia and about .46" long then some threads then the metering portion, overall the jet is about 1.2" long. Main jet is the short hex type. Currently I am running a 400 main 32.5 pilot and a JD needle VP C12 ( 100% ) 40:1 Maxxima K2 in my modified '05 CR250R. [/QUOTE]
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Dirt Bike Discussions By Brand
Honda MX & Off-Road Dirt Bikes
05 cr250 jetting
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