Brake Disc Removal
Remove the wheel (see Front/Rear Wheel Removal in the
Unscrew the mounting bolts, and take off the disc.
Remove the gaskets.
Brake Disc Installation
Replace the gaskets with new ones.
Install the brake disc on the wheel so that the marked side
[A] faces out.
Apply a non-permanent locking agent to the threads of
the front and rear brake disc mounting bolts [B].
Torque - Brake Disc Mounting Bolts: 27 N·m (2.8 kgf·m, 20
Brake Disc Wear
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
4.3 ∼ 4.7 mm (0.17 ∼ 0.19 in.)
4.8 ∼ 5.2 mm (0.19 ∼ 0.20 in.)
4.0 mm (0.16 in.)
4.5 mm (0.18 in.)
Brake Disc Warp
Raise the wheel off the ground with jack (see Front/Rear
Wheel Removal in the Wheels/Tires chapter).
Special Tools - Jack: 57001-1238
Jack Attachment: 57001-1608
For front disc inspection, turn the handlebar fully to one
Set up a dial gauge against the disc [A] as shown and
measure disc runout, while turning [B] the wheel by hand.
If runout exceeds the service limit, replace the disc.
0.15 mm (0.006 in.) or less
Service Limit: 0.3 mm (0.01 in.)