Brake Disc

Brake Disc Removal

• Remove the wheel (see Front Wheel Rear Wheel Re­moval in the Wheels/Tires chapter).

• Unscrew the mounting Allen bolts [A], and take off the disc [B].

Brake Disc Installation

• Install the brake disc on the wheel so that the marked side [A] faces out.

• Tighten the mounting Allen bolts.

Torque - Brake Disc Mounting Bolts: 23 N·m (2.3 kgf·m, 16.5 ft·lb)

Brake Disc Wear

• Measure the thickness of the disc at the point where it has worn the most.

• Replace the disc [A] if it has worn past the service limit.

Measuring Area [B]

Disc Thickness
Standard: 4.8 ~ 5.1 mm (0.19 ~ 0.20 in.)

Service Limit: 4.5 mm (0.18 in.)

Brake Disc Warp

• Jack up the motorcycle so that the front wheel is off the
ground.

Special Tool - Jack: 57001-1238

• Turn the handlebar fully to one side.

• Set up a dial gauge against the disc [A] as shown and measure disc runout.

• Turn [B] the wheel by hand.

• If runout exceeds the service limit, replace the disc.

Disc Runout
Standard: Less than 0.1 mm (0.004 in.)

Service Limit: 0.2 mm (0.008 in.)

12-22 BRAKES