2006 Honda TRX680 Rincon Factory Service Manual, Page 99Get this manual
MAINTENANCE PARKING BRAKE Check the brake lever and brake cable for loose connections or other damageReplace or repair if necessaryFor cable lubrication: Disconnect the brake cable at the brake leverThoroughly lubricate the cable and its pivot point with commercially available cable lubricant or lightweight oilMeasure the parking brake lever free play at the end of the leverFREE PLAY: 2530 mm (11-316 in)