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
SpecificationsTo sensor removal and installation
Removal
Remove the ap sensor. Refer to “ap sensor removal and installation” .
Disconnect the coupler (1) and remove the to
sensor (2).
Installation
Install the to sensor in the reverse order of removal.
Pay attention to the following point:
when installing the to s ...
Starter relay removal and installation
Removal
Turn the ignition switch off.
Remove the front seat. Refer to “exterior parts
removal and installation” in section 9d (page 9d-
6).
Disconnect the battery (–) lead wire (1) from the
battery.
Remove the starter relay cover (2) and disconnect
the starter rel ...
Gear position (gp) switch removal and installation
Removal
Turn the ignition switch off.
Lift and support the fuel tank. Refer to “fuel tank
removal and installation” in section 1g (page 1g-
9).
Disconnect the gear position switch lead wire
coupler (1).
Remove the engine sprocket cover. Refer to “engine sprocket r ...