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Steering Stem, Stem Bearing Installation - Kawasaki KX450F Service Manual

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Steering

Steering Stem, Stem Bearing Installation

Replace the bearing outer race with new ones.
Apply grease to the outer races.
Drive the outer races into the head pipe at the same time
with the special tools.
Special Tools - Head Pipe Outer Race Press Shaft [A]:
57001-1075
Head Pipe Outer Race Driver,
57001-1076
Head Pipe Outer Race Driver,
57001-1077
Replace the inner races with new ones.
Apply grease to the lower tapered roller bearing [A], and
drive it onto the stem with the steering stem bearing driver
[B] and adapter [C].
Special Tools - Steering Stem Bearing Driver: 57001-137
Steering Stem Bearing Driver Adapter,
34.5: 57001-1074
Apply grease to the upper tapered roller bearing, and in-
stall it in the head pipe.
Install the stem through the head pipe and upper bearing,
and hand-tighten the stem nut while pushing up the stem
base.
Install the stem head and washer, and tighten the stem
head nut lightly.
Settle the bearing in place as follows;
Tighten the stem nut to 55 N·m (5.6 kgf·m, 41 ft·lb) of
torque (To tighten the steering stem nut to the specified
torque, hook the wrench [A] on the stem nut, and pull the
wrench at the hole by 31.1 kgf force [B] in the direction
shown.).
Special Tool - Steering Stem Nut Wrench: 57001-1100
Check that there is no play and the steering stem turns
smoothly without rattles. If not, the steering stem bearings
may be damaged.
Again back out the stem nut a fraction of a turn until it
turns lightly.
Turn the stem nut lightly clockwise until it just becomes
hard to turn. Do not overtighten, or the steering will be
too tight.
Torque - Steering Stem Nut: 5.0 N·m (0.51 kgf·m, 44 in·lb)
51.5 [B]:
54.5 [C]:
STEERING 14-7

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