NOTICE
The O-rings between the side plates seal in the lubricant between the pin and the bushing. To avoid damaging the O-rings and resultant loss of lubricant, observe the following rules.
Use only kerosene or diesel oil for cleaning of the O-ring of the drive chain. Any other cleaning solution such as gasoline will cause deterioration and swelling of the O-ring. Immediately blow the chain dry with compressed air after cleaning. Complete cleaning and drying the chain within 10 minutes.
Oil Applied Areas [A] O-rings [B]

Final Drive
Drive Chain Slack InspectionValve Seat Inspection
Remove the valve (see Valve Removal).
Check the valve seating surface [A] between the valve [B]
and valve seat [C].
Measure the outside diameter [D] of the seating pattern
on the valve seat.
If the outside diameter is too large or too small, repair the
seat (see Valve Seat Repair).
Val ...
Fuel Injector Audible Inspection
NOTE
Be sure the battery is fully charged.
The secondary fuel injectors are operating with following
conditions.
1. The engine speed is more than 6 000 r/min (rpm).
2. The throttle opening is more than 12В°.
Remove:
Fuel Tank (see Fuel Tank Removal)
Primary Fuel Hose (see Fuel ...
Balancer Installation
Position the crankshaft at #2, 3 positions TDC or at #1, 4
positions TDC.
Install the balancer assembly as follows.
Align the punch mark [A] on the weight and the projection
[B] on the crankcase.
Engage the balancer gear and the crankshaft gear.
Insert the balancer shaft until it is bot ...