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 inspectionRegulator / rectifier inspection
Inspect the regulator/rectifier in the following procedures:
turn the ignition switch off.
Disconnect the regulator/rectifier couplers. Refer to “regulator /
rectifier removal and installation” .
Measure the voltage between the terminals using the multi-circuit
tester ...
DTC “c40” (p0505 / p0506 / p0507): isc
valve circuit malfunction
Detected condition and possible cause
Detected condition
Possible cause
C40/P0505
The circuit voltage of motor drive is
unusual.
Isc valve circuit open or shorted to ground.
Air passage clogged.
Isc valve is fixed.
Isc valve prese ...
Body frame construction
Frame
Seat rail
Seat rail bolt
Collar
Engine mounting thrust adjuster
Engine mounting thrust adjuster lock-nut
Engine mounting pinch bolt
50 N·m (5.0 Kgf-m,
36.0 Lbf-ft)
23 N·m
(2.3 Kgf-m, 16.5 Lbf-ft)
45 N·m
(4.5 Kgf-m, 32. ...