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View Full Version : jets for trx


250rider1
01-17-2006, 04:24 PM
does anybody know what jetting i should use for a trx90 with a white brothers r4 slip on and a k+n with no lid.
ROBBSRACING
01-18-2006, 05:05 PM
A 90 main jet should be about perfect. If your using a stock carb.