The frame serial number or V.I.N. (Vehicle identification number) “a” is stamped on the right side of the steering head tube. The engine serial number “b” is located on the lower crankcase. These numbers are required especially for registering the machine and ordering spare parts.


Vehicle side view
Fuel and oil recommendationSpecial tools and equipment
Recommended service material
Note
required service material is also described in the following.
“Rear lighting system construction”
Special tool
...
Fuel discharge amount inspection
Keep away from fire or spark.
Spilled gasoline should be wiped off
immediately.
Work in a well-ventilated area.
Inspect the fuel discharge amount in the following
procedures:
lift and support the fuel tank. Refer to “fuel tank remo ...
Piston ring removal and installation
Removal
Remove the piston. Refer to “engine bottom side disassembly” .
Carefully spread the ring opening with your thumbs
and then push up the opposite side of the 1st ring to
remove it.
Note
do not expand the piston ring excessively
since it is apt to be broken down. ...