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esr tunning

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so today I repacked my can what a difference the 250 ran great with it but the 325 seems to like more back pressure may try a fmf q see if I get some more pull out of her

it was the best this thing has run so far

A.S. 2.5 out

pilot   42

clip    1st

main  168

45 degrees

sea level

avgas

stock head pipe

 

like to hear others set ups

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Edited by 426 hemi

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There are a couple of threads full of setup info in the YZ forum.  Just do a search for 325.

 

42 pilot sounds maybe a tad lean for sea level and cooler temps, and 168 sounds about right or maybe 1 step rich.

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needle type matters & maybe slide,,i switched from 07 to 06 with major improvement,leaner needle,more testing to do,but wrist /rib not cooperating,will get back soon.

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