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 inspectionValve 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 ...
Using the transmission
The transmission is provided to
keep the engine operating
smoothly in its normal operating
speed range. The gear ratios
have been carefully chosen to
meet the characteristics of the
engine. The rider should always
select the most suitable gear for
the prevailing conditions. Never
slip the c ...
Procedure for returning
to service
Clean the entire motorcycle.
Remove the oily rags from the
air cleaner intake and muffler
outlet.
Drain all the engine oil. Install
a new oil filter and fill the
engine with fresh oil as outlined
in this manual.
Remove the spark plugs. Turn
the engine a few tim ...