2-32 PERIODIC MAINTENANCE
Periodic Maintenance Procedures
Stem Bearing Lubrication
Remove the steering stem. (see Steering chapter).
Using a high-flash point solvent, wash the upper and
lower tapered roller bearings [A] in the cages, and wipe
the upper and lower outer races, which are press-fitted
into the frame head pipe, clean of grease and dirt.
Visually check the outer races and the rollers.
If the rollers or races are worn, or if either race is dented,
replace both races and all the roller bearings as a set (see
Pack the upper and lower tapered roller bearings in the
cages with grease, and apply a light coat of grease to the
upper and lower outer races.
Install the steering stem, and adjust the steering (see
Check steering as follows.
Use the jack [A], the attachment jack [B] under the frame
pipe ribs [C], and a commercially available jack [D] under
the engine [E] to lift the front wheel [F] off the ground.
Special Tools - Jack: 57001-1238
Attachment Jack: 57001-1398
With the front wheel pointing straight ahead, alternately
tap each end of the handlebar. The front wheel should
swing fully right and left from the force of gravity until the
fork hits the stop.
If the wheel binds or catches before the stop, the steering
is too tight.
Feel for steering looseness by pushing and pulling [A] the
If you feel looseness, the steering is too loose.
The cables and wiring will have some effect on the mo-
tion of the fork which must be taken into account. Be
sure the wires and cables are properly routed.
The bearings must be in good condition and properly
lubricated in order for any test to be valid.
Adjust the steering, if necessary.
Loosen the upper fork clamp bolt [A] on both side and
unscrew the stem head nut [B].
Remove the O-ring (see Steering chapter).
Remove the steering stem head [C] together with the han-