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 inspectionExhaust pipe bolt and muffler bolt inspection
Tighten exhaust pipe bolts and muffler bolts
initially at 1 000 km (600 miles, 2 months) and every
12 000 km (7 500 miles, 24 months) thereafter
Check the exhaust pipe bolts and muffler bolts to the
specified torque.
Tightening torque
exhaust pipe bolt (a): 23 n·m (2.3 Kgf-m, 16.5 Lbf-ft)
muf ...
Cmp sensor removal and installation
Removal
Remove the air cleaner box. Refer to “air cleaner box removal and
installation” in section 1d .
Remove the pair control solenoid valve. Refer to “pair control solenoid
valve removal and installation” in section 1b .
Disconnect the coupler (1) and remove the cmp
se ...
Special tools and equipment
Recommended service material
Note
required service material is also described in the following.
“Exhaust system components”
Special tool
...