Inspect the camshaft sprocket in the following procedures:
If they are worn or damaged, replace the sprocket/ camshaft assembly and cam chain as a set.

Camshaft inspection
Cam chain tension adjuster inspectionTransmission components
2Nd drive gear
6Th drive gear
3Rd/4th drive gear
5Th drive gear
Countershaft/1st drive gear
Driveshaft
2Nd driven gear
6Th driven gear
3Rd driven gear
4Th driven gear
5Th driven gear
1St driven gear
Gearshift cam stopper
Gearshi ...
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.
...
Cylinder head disassembly and assembly
Refer to “engine top side disassembly” .
Refer to “engine top side assembly” .
Caution
identify the position of each removed part.
Organize the parts in their respective groups
(i.E., Intake, exhaust, no. 1 Or no. 2) So that
they can be installed in their original
locations ...