2001-2005 Honda TRX250EX Sportrax TRX250EX Factory Service Manual, Page 75Get this manual
FUEL SYSTEM Install the thrott le valve into the carburetor body by aligning it cut-out with the throttle stop screw
Tighten the carburetor top securelyInstall the air cleaner housing (page 5-3)
Check the followi ng:throttle operation (page 3-4)choke knob free play (page 3-4)engine idle speed (page 3-11)
Adjust the pilot screw if it was replaced (see below),
PILOT SCREW ADJUSTMENT
IDLE DROP PROCEDURE
NOTE: The pilot screw is factory pre-set and no adjustment is necessary unless the pilot screw is replacedUse tachometer with graduations of 50 rpm or smaller that will accurately indicate 50 rpm changeDamage to the pilot