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 inspectionMuffler / muffler chamber / exhaust pipe
removal and installation
Removal
Loosen the muffler connecting bolts (1).
Remove the mufflers (2) by removing the mounting
bolt and nut (3).
Note
support the muffler to prevent it from falling.
Remove the side cowlings. Refer to “exterior parts
removal and installation” in secti ...
Drive chain cleaning and
oiling
Clean and oil the chain as follows:
Wash the chain with kerosene.
Kerosene will lubricate and
clean the chain.
Warning
Kerosene can be hazardous .
Kerosene is flammable. Children
or pets may be harmed
from contact with kerosene.
Keep flames and smoking
mater ...
Injection timing description
Injection time (injection volume)
The factors to determine the injection time include the basic fuel injection
time, which is calculated on the basis of the
intake air pressure, engine speed and throttle opening angle, and various
compensations. These compensations are
determined according to ...