2006-2012 Honda TRX90 TRX90EX/X Service Manual, Page 53Get this manual
MAINTENANCE REAR BRAKE BRAKE LEVER
Check the cable and brake lever for loose connections, excessive play or other damageReplace or repair if necessaryFor cable lubricationDisconnect the brake cable at the brake lever endThoroughly lubricate the cable and their pivot points with commercially ava ilable cable lubricantMeasure the rear (parking) brake lever free play at the end of the brake leverFREE PLAY: 1020 mm (381316 in)
10-20mm (3181316 in)
Make sure the cutout in the adjusting nut IS seared on the brake arm jomt