Honda TRX500FM Owner's Manual page 156

Rear Brake Lever Freeplay
LEFT HANDLEBAR
(1)
9/16 13/16 in
(15 20 mm)
(1) rear brake lever/parking brake lever
Inspection
Measure the distance the rear brake lever/parking brake lever ( ) moves
before the brake starts to take hold. Freeplay (measurement at the tip of
the end of the brake lever) should be:
9/16 13/16 in (15 20 mm)
If necessary, adjust to the specified range.
Brakes
1
Servicing Your Honda 147