Lubricating The Drive Chain; Checking And Adjusting The Steering Head - Yamaha WR125R 2009 Service Manual

A
1
B
b
A. Left side
B. Right side
d. Tighten the rear wheel axle nut to specifica-
tion.
Rear wheel axle nut
90 Nm (9.0 m·kgf, 65 ft·lbf)
e. Tighten the locknuts to specification.
Drive chain adjusting locknut
16 Nm (1.6 m·kgf, 11 ft·lbf)
L LLL L LLL L L LLL L
EAS21440

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.
a
b
3
2
a
3
2
L LLL L L LLL L L LLL L
EAS21510
CHECKING AND ADJUSTING THE
STEERING HEAD
1. Stand the vehicle on a level surface.
EWA13120
WARNING
Securely support the vehicle so that there is
no danger of it falling over.
TIP
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.
Binding/looseness → Adjust the steering
head.
3. Remove:
LLL
• Upper bracket
Refer to "STEERING HEAD" on page 4-55.
4. Adjust:
• Steering head
M MMM M MMM M
a. Remove the lock washer "1", the upper ring
nut "2", and the rubber washer "3".
b. Loosen the lower ring nut "4", and then tight-
en it to specification with a steering nut
wrench "5".
3-21
Recommended lubricant
Engine oil or chain lubricant
suitable for O-ring chains
M MMM M M MMM M M MMM M
CHASSIS
M MMM M MMM