Adjust the engine idle speed periodically on the engine at normal operating temperature.
To adjust the idle speed:

Engine oil and filter change
Throtile cable playClutch 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 ...
Camshaft 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 ...
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.
...