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
SpecificationsFront wheel dust seal / bearing removal and installation
Removal
Remove the front wheel assembly. Refer to “front wheel assembly removal
and installation” .
Remove the dust seals using the special tool.
Special tool
(a): 09913–50121 (oil
seal remover)
Remove the wheel bearings using the special tool.
Special tool
(b): 099 ...
Cylinder inspection
Refer to “engine top side disassembly” .
Refer to “engine top side assembly” .
Cylinder distortion
Check the gasket surface of the cylinder for distortion.
Use a straightedge and thickness gauge. Take clearance
readings at several places. If any reading exceeds the
service limit, replace t ...
Fi system troubleshooting
Customer complaint analysis
Record details of the problem (failure, complaint) and how it occurred as
described by the customer. For this purpose,
use of such an inspection form such as following will facilitate collecting
information to the point required for proper
analysis and diagnosis.
...