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].
Remove the gaskets (Front Only).
Brake Disc Installation
Replace the gaskets with new ones (Front Only).
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, and tighten
Torque - Brake Disc Mounting Bolts: 27 N·m (2.8 kgf·m, 20
Brake Disc Wear
Measure the thickness of each disc at the point where it
has worn the most.
If the disc has worn past the service limit, replace it.
Measuring Area [A]
Brake Discs Thickness
4.8 ∼ 5.2 mm (0.19 ∼ 0.20 in.)
5.8 ∼ 6.2 mm (0.23 ∼ 0.24 in.)
4.5 mm (0.18 in.)
5.5 mm (0.22 in.)
Brake Disc Warp
Raise the front/rear wheel off the ground.
Special Tools - Jack: 57001-1238
Attachment Jack: 57001-1252
Jack Attachment: 57001-1608
For front disc inspection, turn the handlebars fully to one
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.
TIR 0.15 mm (0.006 in.) or less
Service Limit: TIR 0.3 mm (0.01 in.)