2007-2009 Honda TRX300EX TRX300X service manual, Page 100Get 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 or smaller that will accurately nd icate 50 rpm changeDamage to the pilot screw seat will occur if the pilo screw is tightened against the seat
1Turn the pilot screw clockwise until it seats lightly, then back it out to specification givenTh is is an in itial setting prior to the final pil ot screw adjustment
TOOLS: Pilot screw wrench (0 type)07KMA-MS60101 and Pilot screw wrench guide 07PMA-MZ20110 (not available in U.S.A U.S.ATOOL: Pilot screw wrench (0 type)07KMA-MN9A 100 INITIAL OPENING: 214 turns out