Inspect the oil pump in the following procedures:
| Caution do not attempt to disassemble the oil pump. The oil pump is available only as an assembly. |

Oil pump drive sprocket removal and installation
Refer to “engine bottom side disassembly” in section 1d and “engine bottom side assembly” in section 1d .
Oil pump removal and installation
SpecificationsDiagnostic information and procedures
Starting system symptom diagnosis
Condition
Possible cause
Correction / reference item
Engine does not turn
though the starter motor
runs
Faulty starter clutch.
Replace.
Starter button is not
effective
Run down battery
Repair or replac ...
Rear wheel related parts inspection
Refer to “rear wheel assembly removal and installation” .
Tire
Refer to “tire inspection” in section 0b .
Rear brake disc
Refer to “rear brake disc inspection” in section 4c .
Wheel damper
Refer to “drive chain related parts inspection” in section 3a .
Sprocket
Refer to “drive chain ...