2005-2006 Honda ATV TRX500FE/FM/TM FourTrax Foreman Factory Service Manual, Page 444Get this manual
TROUBLESHOOTING
POOR PERFORMANCE AT LOW AND IDLE SPEED
1Carburetor Pilot Screw Adjustment Inspection Check carburetor pilot screw adjustmentIs the pilot screw properly adjusted? NO YESAdjust the carburetor pilot screw (page 6-19)GO TO STEP 2