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
SpecificationsSpecial tools and equipment
Special tool
...
Ignition system check
Remove the spark plugs and
reattach them to the spark
plug caps.
Put the engine stop switch in
the "" position and ignition
switch in the "on" position.
While holding a spark plug
with its base firmly against the
engine, push the electric
starter butt ...
Clutch installation
Install the primary driven gear assembly (1).
Caution
if it is difficult to install the primary driven
gear, rotate the crankshaft.
Be sure to engage the oil pump drive
sprocket with the primary driven gear.
Install the spacer (2) and bea ...