2001-2003 Honda TRX500FA Factory Service Manual, Page 333Get this manual
IGNITION SYSTEM
IGNITION TIMING
Remove he recoil st arte cover (p age 2-3)Sta rt the engi ne and warm it up to ope rati ng temper-
at ureStop th engi ne and remov the timing hole cap ro th rear crankcase coverConnect he iming light and tachometer
Start he enginelet it id le1,400 rpand check the
ignition timingThe ig nition im ing is co rrect if theF" mark the flyw heel aligns with the index ma rk on he rea cra nk-