Brake disc thickness
Check the brake disc for damage or cracks and measure the thickness using the micrometer.
Replace the brake disc if the thickness is less than the service limit or if defect is found.
Special tool
(a): 09900–20205 (micrometer (0 –
25 mm))
Brake disc thickness service limit (rear): 4.5 Mm (0.18 In)

Brake disc runout
Replace the disc if the runout exceeds the service limit.
Special tool
(a): 09900–20607 (dial gauge)
: 09900–20701 (dial gauge chuck)
Brake disc runout service limit: 0.30 Mm (0.012 In)

Rear brake disc removal and installation
SpecificationsStarter button inspection
Inspect the starter button in the following procedures:
remove the air cleaner box. Refer to “air cleaner box removal and
installation” in section 1d .
Disconnect the right handlebar switch coupler (1).
Inspect the starter button for continuity with the
tester.
If ...
Left handlebar
Clutch lever 1
The clutch lever is used for disengaging
the drive to the rear wheel
when starting the engine or shifting
the transmission gear.
Squeezing the lever disengages
the clutch.
Headlight flasher switch 2
Press the switch to light the headlight.
Dimmer switch 3
" " ...
Ecm / various sensors
Since each component is a high-precision part, great
care should be taken not to apply any severe impacts
during removal and installation.
Be careful not to touch the electrical terminals of the
electronic parts (ecm, etc.). The static electricity from
your body may damage them. ...