Turn the stem nut 1/8 turn at a time maximum.
Install the lock washer so that claw of washer fit the notch
of steering stem nut.
First tighten the steering stem locknut by hand until the
resistance is felt fully, then tighten steering stem nut ad-
ditional more than two notches so that align the notch of
stem nut and stem locknut.
Bend the claw of lock washer to the steering stem locknut
Install the stem head.
Torque - Upper Fork Clamp Bolts: 20 N·m (2.0 kgf·m, 14.5
Handlebar Position Bolts: 9.8 N·m (1.0 kgf·m, 87
Steering Stem Head Nut: 78 N·m (8.0 kgf·m, 58
Check the steering again.
If the steering is still too tight or too loose, repeat the ad-
Steering Stem Bearing Lubrication
Remove the steering stem (see Steering chapter).
Using a high flash-point solvent, wash the upper and
lower ball bearings in the cages, and wipe the upper and
lower outer races, which are press-fitted into the frame
head pipe, clean off grease and dirt.
Visually check the outer races and the ball bearings.
Replace the bearing assemblies if they show wear or
Pack the upper and lower ball bearings [A] 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.
Spark Plug Check
Spark Plug Cleaning and Inspection
Remove the spark plug (see Electrical System chapter),
and visually inspect.
Clean the spark plug, preferably in a sandblasting device,
and then clean off any abrasive particles. The plug may
also be cleaned using a high flash-point solvent and a wire
brush or other suitable tool.
If the spark plug electrodes are corroded or damaged,
or if the insulator is cracked, replace the plug. Use the
standard spark plug or its equivalent.
PERIODIC MAINTENANCE 2-39