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 inspectionSpecial tools and equipment
Recommended service material
Note
required service material is also described in the following.
“Throttle body components” “engine bottom side assembly”
Special tool
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Exhaust control system construction
Excv cable no. 1 (Cl)
Excv cable no. 2 (Op)
When
loosening or tightening the pulley bolt, be sure to fix the
pulley with an adjustable wrench, or excva may get damaged.
5 N·m (0.5 Kgf-m, 3.5 Lbf-ft)
42 – 43 Mm (1.65 – 1.69 In)
60 – 61 Mm (2.36 – ...
Starting the engine
Before attempting to start the
engine, make sure:
The transmission is in neutral.
The engine stop switch is in
the "" position.
Note: this motorcycle has a
starter interlock system for the
ignition and starter circuit. The
engine can only be started if:
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