1987-2009 Yamaha ATV YFM350X Warrior Raptor Service Manual, Page 331Get this manual
ADJUSTING THE FRONT BRAKE ADJUSTING THE REAR BRAKE LIGHT SWITCH CHASSIS
ADJUSTING THE FRONT BRAKE 1.Check: Brake lever free play Out of specification Bleed the front brake systemRefer to "AIR BLEEDING (HYDRAULIC BRAKE SYSTEM)" in CHAPTER 3(Manual No 3GD-28197-12) Brake lever free play (at brake lever end): mm (0 in) ADJUSTING THE REAR BRAKE LIGHT SWITCH NOTE: The rear brake light switch is operated by movement of the brake pedalThe rear brake light switch is properly adjusted when the brake light comes on just before the braking effect starts