PERIODIC MAINTENANCE 2-9
• Count out 21 pins (20-pitch) on the chain measure the distance
between the two points. If the distance exceeds the service limit,
the chain must be replaced.
$ Drive chain 20-pitch length: 259.0 mm (10.20 in)
NOTE:
When replacing the drive chain, replace the drive chain and sprock-
ets as a set.
ADJUSTING
• Place the vehicle on the level ground.
• Loosen or tighten both chain adjusters 1 equally until the chain
has 20 – 30 (0.8 – 1.2 in) of slack at the middle of the chain
between the engine and rear sprockets as shown.
$ Drive chain slack: 20 – 30 mm (0.8 – 1.2 in)
• After adjusting the drive chain, tighten the bolts 2 to the se-
curely.
• Recheck the chain slack after tightening the bolts 2.
NOTE:
After drive chain adjustment adjust the rear brake.
*Rear brake adjustment .....................
"
2-10
CLEANING AND LUBRICATING
• Clean the drive chain with kerosine. If the drive chain tends to
rust quickly, the intervals must be shortened.
• After cleaning and drying the chain, oil it with a heavy-weight
engine oil.
!
The drive chain joint clip should be attached in the way
that the slit end will face opposite to the direction of travel.
Direction of travel
20 – 30 mm
(0.8 – 1.2 in)
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