Yamaha MT-03 Service Manual page 113

a. Remove the lock washer "1", the upper ring
nut "2", and the rubber washer "3".
b. Loosen the lower ring nut "4", and then tight-
en it to the specified torque with a steering
nut wrench "5".
NOTE:
Set the torque wrench at a right angle to the
steering nut wrench.
Steering nut wrench
90890-01403
Lower ring nut
(initial tightening torque)
52 Nm (5.2 m·kg, 38 ft·lb)
c. Loosen the lower ring nut completely, and
then tighten it to the specified torque.
WARNING
Do not overtighten the lower ring nut.
Lower ring nut
(final tightening torque)
18 Nm (1.8 m·kg, 13 ft·lb)
d. Check the steering head for looseness or
binding by turning the front fork all the way
in both directions. If any binding is felt, re-
move the lower bracket and check the up-
per and lower bearings.
Refer to "STEERING HEAD" on page 4-55.
e. Install the rubber washer "2".
f. Install the upper ring nut "3".
g. Finger tighten the upper ring nut "3", and
then align the slots of both ring nuts. If nec-
essary, hold the lower ring nut and tighten
the upper ring nut until their slots are
aligned.
h. Install the lock washer "1".
NOTE:
Make sure the lock washer tabs "a" sit correct-
ly in the ring nut slots "b".
7. Install:
• Upper bracket
• Washer
• Steering stem
Steering stem nut
110 Nm (11.0 m·kg, 79 ft·lb)
8. Tighten:
• Upper bracket pinch bolts
Upper bracket pinch bolt
23 Nm (2.3 m·kg, 17 ft·lb)
9. Install:
• Handlebar
• Upper handlebar holders
Upper handlebar holder bolt
23 Nm (2.3 m·kg, 17 ft·lb)
3-24
CHASSIS