Drive chain and sprocket symptom diagnosis
|
Condition |
Possible cause |
Correction / reference item |
| Noisy drive chain | Worn sprocket | Replace |
| Worn drive chain | Replace | |
| Stretched drive chain | Replace | |
| Too large drive chain slack | Adjust | |
| Drive chain out of adjustment | Adjust |
Valve seat repair
The valve seats (1) for both the intake and exhaust
valves are machined to three different angles. The seat
contact surface is cut at 45°.
Intake valve
Exhaust valve
Caution
the valve seat contact area must be
inspected after e ...
Tire removal and installation
Removal
The most critical factor of a tubeless tire is the seal
between the wheel rim and the tire bead. For this
reason, it is recommended to use a tire changer that can
satisfy this sealing requirement and can make the
operation efficient as well as functional.
Removal the wheel ass ...
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 ...