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jetting 06 125sx

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i have a 172 main..42 pilot..

i'm running a 172 main jet ..a 42 pilot...a R1469D needle with the clip on the top at 32 -1 premix..yamalube. i t seems to run great at this altitude..between 5 and 7K more or less . i live in the Salt Lake City area and ride the desert, mtns, single track. but hit the track sometimes. man i love this bike as it is light and with the power to ratio is probably just as fast as my 525mxc..at least it feels like it..lots of grins....:censored:

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