Removal
| Note do not expand the piston ring excessively since it is apt to be broken down. |

Installation
Note
|
After placing the spacer, fit the two side rails (2).

| Caution when installing the spacer, be careful not to allow its two ends to overlap in the groove. |

|
| Note 1st ring (4) and 2nd ring (3) differ in shape. |

| Note face the side with the stamped mark upward when assembling. |


|
Cylinder inspection
Piston and piston ring inspectionHandlebar removal and installation
Removal
Remove the following parts from the left handlebar.
left handlebar switch box (1)
handlebar balancer (2)
grip rubber (3)
clutch cable (4)
Remove the following parts from the right handlebar.
right handlebar switch box (5)
...
Engine bottom side disassembly
Note
the crankcase must be separated to service
the crankshaft and conrod.
Remove the engine assembly from the frame. Refer to “engine assembly
removal” .
Remove the engine top side (1). Refer to “engine top side disassembly”
.
Crankcase breather (pcv) cover
R ...
Right handlebar
Engine stop switch 1
"" Position
The ignition circuit is off. The
engine cannot start or run.
"" Position
The ignition circuit is on and the
engine can run.
Front brake lever 2
Apply the front brake by squeezing
the front brake lever towards
the grip. The brake ligh ...