Steering Stem, Stem Bearing Installation
Replace the bearing outer race with new ones.
Apply grease to the outer races, and drive them into the
head pipe at the same time using the head pipe outer race
press shaft [A] and the head pipe outer race drivers.
Special Tools - Head Pipe Outer Race Press Shaft: 57001
Head Pipe Outer Race Driver, 54.5: 57001
Head Pipe Outer Race Driver, 51.5: 57001
Replace the lower inner races with new ones.
Apply grease to the lower tapered roller bearing [A], and
drive it onto the stem using the steering stem bearing
driver [B] and adapter [C].
Special Tools - Steering Stem Bearing Driver: 57001-137
Steering Stem Bearing Driver Adapter,
Apply grease to the upper inner race, and install it in the
Install the stem through the head pipe and upper bearing,
install the stem cap and hand-tighten the stem nut while
pushing up on 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 39 N·m (4.0 kgf·m, 29 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 22.2 kg force [B] in the direction
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
Turn the stem nut lightly clockwise until it just becomes
hard to turn. Do not overtighten, or the steering will be
Torque - Steering Stem Nut: 4.9 N·m (0.50 kgf·m, 43 in·lb)