1997-2001 Honda TRX250 Fourtrax Recon Service Manual, Page 56Get this manual
MAINTENANCE
BRAKE SHOE WEAR
FRONT BRAKE
Remove the brake shoe lining inspecti on hole cap and inspect th li ning thickness
LINING THICKNESSSTANDARD: 4.0 mm (0 .16 in) SERVICE LIMIT: 2.0 mm (0 .08 n)
If either li ning on one hee is worn beyond th lim it, both brake shoes for tha wheel must be re placed
REAR BRAKE