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 inspectionEngine assembly installation
Install the engine in the reverse order of engine removal.
Pay attention to the following points:
before installing the engine, install the collars (1).
Before installing the engine, install the engine
mounting thrust adjusters (2).
Gradually raise the rear side of ...
Lubrication points
Proper lubrication is important for smooth operation and long life of each
working part of the motorcycle.
Major lubrication points are indicated as follows.
Note
before lubricating each part, clean off any rusty spots
and wipe off any grease, oil, dirt or grime.
&nbs ...
Water pump related parts inspection
Refer to “water pump disassembly and assembly” .
Mechanical seal
Visually inspect the mechanical seal for damage, with
particular attention given to the sealing face.
Replace the mechanical seal that shows indications of
leakage.
Oil seal
Visually inspect the oil seal for damage, with p ...