2006-2009 Honda TRX250EX/TRX250X Service Manual, Page 103Get this manual
FUEL SYSTEM
PILOT SCREW ADJUSTMENT
IDLE DROP PROCEDURE
The pilot screw is factory pre-set and no adjustment is necessary unless the pilot screw is
replaced Use tachometer with graduations of 50 rpm (min-or smaller that will accu rately indicate 50 rpm (min-'changeDamage to lhe piiot
screw seat will
occur If the pilot screw IS tightened
agamst the seal