2002 Yamaha YFM660 Grizzly factory service and repair manual, Page 116Get this manual
ADJUSTING THE REAR BRAKE CHASSIS
ADJUSTING THE REAR BRAKE
WARNING
Always adjust both the brake pedal and the rear brake lever whenever adjusting the rear brake1.Check: Rear brake lever free play Out of specification AdjustRear brake lever free play: 0.5mm (0.020.08 in)