PERIODIC MAINTENANCE
3-19
EAS30803
LUBRICATING THE DRIVE CHAIN
The drive chain consists of many interacting
parts. If the drive chain is not maintained proper-
ly, it will wear out quickly. Therefore, the drive
chain should be serviced, especially when the
vehicle is used in dusty areas.
This vehicle has a drive chain with small rubber
O-rings between each side plate. Steam clean-
ing, high-pressure washing, certain solvents,
and the use of a coarse brush can damage
these O-rings. Therefore, use only kerosene to
clean the drive chain. Wipe the drive chain dry
and thoroughly lubricate it with engine oil or
chain lubricant that is suitable for O-ring chains.
Do not use any other lubricants on the drive
chain since they may contain solvents that could
damage the O-rings.
EAS30645
CHECKING AND ADJUSTING THE
STEERING HEAD
1. Stand the vehicle on a level surface.
EWA13120
Securely support the vehicle so that there is
no danger of it falling over.
Place the vehicle on a suitable stand so that the
front wheel is elevated.
2. Check:
• Steering head
Grasp the bottom of the front fork legs and
gently rock the front fork.
Blinding/looseness → Adjust the steering
head.
3. Remove:
• Upper bracket
Refer to “FRONT FORK” on page 4-75.
4. Adjust:
• Steering head
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a. Loosen the cap nut “1”, and then tighten it to
specification with a steering nut wrench “2”.
• Set the torque wrench at a right angle to the
steering nut wrench.
• Move the steering to the left and right a couple
of times to check that it moves smoothly.
b. Loosen the cap nut completely, then tighten it
to specification.
EWA17770
Do not overtighten the cap nut.
c. Check the steering head for looseness or
binding by turning the front fork all the way in
both directions. If any binding is felt, remove
the lower bracket and check the upper and
lower bearings.
Refer to “STEERING HEAD” on page 4-87.
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5. Install:
• Upper bracket
Refer to “FRONT FORK” on page 4-75.
EAS30646
LUBRICATING THE STEERING HEAD
1. Lubricate:
• Upper bearing
• Lower bearing
• Bearing cover
• Lower bearing dust seal
Recommended lubricant
Chain lubricant suitable for O-
ring chains
Steering nut wrench
90890-01403
Exhaust flange nut wrench
YU-A9472
Cap nut (initial tightening torque)
52 Nm (5.2 m·kgf, 38 ft·lbf)
Cap nut (final tightening torque)
18 Nm (1.8 m·kgf, 13 ft·lbf)
Recommended lubricant
Lithium-soap-based grease
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