2004-2005 Honda TRX450R Factory Sevice Manual, Page 331Get this manual
TROUBLESHOOTING
POOR PERFORMANCE AT LOW AND IDLE SPEED
1Pilot Screw Inspection
Check he carb ureto pi lot screw adj ust ment
Is the adjustment correct?
YESGO TO STEP 2
- See page 6-23
2Intake Air leak Inspection
Check for leaking carburetor insulatorIs he re leaking?
_ oose ca rburetor insulator bands
Damaged insulator
- GO TO STEP 3