Inspect the excva pulley in the following procedures:

Excva removal and installation
Excva adjustmentCamshaft sprocket
Inspect the camshaft sprocket in the following
procedures:
remove the intake and exhaust camshafts. Refer to “engine top side
disassembly” .
Inspect the teeth of each camshaft sprocket for wear
or damage.
If they are worn or damaged, replace the sprocket/
camshaft assembl ...
Vehicle identification number
The frame serial number or V.I.N. (Vehicle identification
number) “a” is stamped on the right side of the steering
head tube. The engine serial number “b” is located on
the lower crankcase. These numbers are required
especially for registering the machine and ordering
spare parts.
...
Rear wheel assembly construction
Rear sprocket nut
Rear axle nut
Brake disc bolt
Clearance
60 N·m (6.0 Kgf-m,
43.0 Lbf-ft)
100 N·m
(10 kgf-m, 72.5 Lbf-ft)
35 N·m
(3.5 Kgf-m, 25.5 Lbf-ft)
Apply grease.
Apply thread lock to the
thread part.
...