Yamaha YXR70FX Service Manual page 415

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STEERING SYSTEM
h. Attach the assembled ball joint remover,
new ball joint B and installer attachment 8
to the steering knuckle C.
TIP:
Do not tap or damage the top of the ball joint.
i. Hold the body 3 in place while turning in
the long bolt 4 to install the new ball joint
B into the steering knuckle C.
j. Remove the ball joint remover.
k. Apply lithium-soap base grease to the new
ball joint B.
l. Install a new rubber boot and new circlip.
TIP:
Always use a new ball joint set.
m. Install a steering knuckle oil seal.
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3. Check:
• front wheel bearings
Bearings allow play in the wheel hubs or the
wheel turns roughly → Replace.
• oil seals
Damage → Replace.
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a. Clean the outside of the steering knuckle.
b. Remove the oil seals 1.
c. Drive out the bearings 2.
WARNING
Eye protection is recommended when
using striking tools.
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d. Remove the spacer 3.
e. Apply lithium base grease to the bearings
and oil seals.
f. Install the spacer to the steering knuckle.
g. Install the new bearings.
TIP:
Install the outside bearing first.
NOTICE
Do not strike the center race or balls of the
bearing. Contact should be made only with
the outer race.
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CHAS
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