2001-2003 Honda TRX500FA Factory Service Manual, Page 192Get this manual
SUBTRANSMISSION Check the ge ar shifter fo smoot operationCheck the shifter gr oove and gear dogs for abnormal wear or damage
RE VERSE IDLE GEAR
Check th reverse id le gear and shaft for abnormal ear damage
Measure the gear 1.0 SERVICE LIMIT: 1-4.04 mm (0.553 in )
Measure the shaft 0.0