1997-2004 Honda Fourtrax Recon TRX250TE/TM Service Manual, Page 357Get this manual
TROUBLESHOOTING
11Accelerate or run at high speedl- Engine
Possible cause
Engine does not knock
Worn piston and cylinder Wrong type of fuel Excessive carbon build-up in combustion chamber Ignition timing to advanced (faulty ignition control module) Lean fuel mixture
POOR PERFORMANCE AT LOW AND IDLE SPEED
Possible cause
1Check carburetor pilot screw- Incorrect adjustment
See section 5
Correct