2005-2006 Honda ATV TRX500FE/FM/TM FourTrax Foreman Factory Service Manual, Page 77Get this manual
MAINTENANCE
BRAKE SHOES WEAR
Replace the brake shoes if the wear indicator plate aligns with the reference mark on the brake panel when the rear brake lever or brake pedal is appliedRefer to page 15-15 for brake shoe replacement
BRAKE PADS WEAR