1997-2001 Honda TRX250 Fourtrax Recon Service Manual, Page 325Get this manual
TROUBLESHOOTING
Possible cause
11Acce lerate or run at high speedEngine knocks- Worn pist and cylinder Wrong type of fuelExcess ive carbon bui ld-up in Engine does not knock combustion chamber Ignition iming to advanced (faulty igni ti on co ntro modu le) Lean fue mixt ure
POOR PERFORMANCE AT LOW AND IDLE SPEED
Possible cause
1Check ca rbu ret or pi lot screw- Incor rect- - See section adj ust me nt Co rrect
2Check or leaking intake pipe- Leaking Not leak