BRAKES 12-21

Brake Disc

Brake Disc Removal

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

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

Brake Disc Installation

•Replace the gaskets with new ones.

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

Front Brake Discs [B]

Rear Brake Disc [C]

•Apply a non-permanent locking agent to the threads of the brake disc mounting bolts.

•Tighten:

Torque - Brake Disc Mounting Bolts: 27 N·m (2.8 kgf·m, 20 ft·lb)

Brake Disc Wear Inspection

•Measure the thickness of each disc [A] at the point where it has worn the most.

If the disc has worn past the service limit, replace it. Measuring Area [B]

Brake Discs Thickness

Standard:

Front	5.8	6.2 mm (0.23	0.24 in.)
Rear	4.8	5.2 mm (0.19	0.20 in.)

Service Limit:

Front	5.5 mm (0.22 in.)
Rear	4.5 mm (0.18 in.)

12-22 BRAKES

Brake Disc

Brake Disc Warp Inspection

•Raise the wheel off the ground with jack.

Special Tools - Jack: 57001-1238

Jack Attachment: 57001-1608

○For front disc inspection, turn the handlebar fully to one side.

•Set up a dial gauge against the disc [A] as shown in the figure and measure disc runout, while turning [B] the wheel by hand.

If runout exceeds the service limit, replace the disc.

Disc Runout
Standard:	TIR 0.15 mm (0.006 in.) or less

Service Limit: TIR 0.3 mm (0.01 in.)