Inspect the cam chain guide in the following procedures:

Cam chain guide / cam chain tensioner
removal and installation
Cam chain tensioner inspectionDTC “c12” (p0335): ckp sensor circuit
malfunction.
Detected condition and possible cause
Detected condition
Possible cause
The signal does not reach ecm for 3 sec. Or more, after
receiving the starter signal.
Metal particles or foreign material being stuck on the
ckp sensor and rotor tip.
Ckp ...
Exterior parts construction
Upper cowling bracket
: set the punch mark to the front and upper side.
Rear view mirror cushion
: set the dent side to inside.
To frame
To headlight assembly
To sprocket cove
To side-stand bracket
...
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.
...