Lubricating The Steering Head; Checking The Chassis Fasteners - Yamaha MBK X-MAX 300 2017 Service Manual

2
3
b. Loosen the lower ring nut "4" and then
tighten it to specification with a steering
nut wrench "5".
TIP
Set the torque wrench at a right angle to the
steering nut wrench.
Steering nut wrench
90890-01403
Exhaust flange nut wrench
YU-A9472
Lower ring nut (initial tightening
torque)
48 N·m (4.8 kgf·m, 35 lb·ft)
c. Loosen the lower ring nut, and then tighten
it to specification with a steering nut
wrench.
EWA13140
WARNING
Do not overtighten the lower ring nut.
Lower ring nut (final tightening
torque)
14 N·m (1.4 kgf·m, 10 lb·ft)
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.
1
5
4
3-16
PERIODIC MAINTENANCE
Refer to "STEERING HEAD" on page
4-87.
e. Install the rubber washer.
f. Install the upper ring nut.
g. Finger tighten the upper ring nut, then
align the slots of both ring nuts. If neces-
sary, hold the lower ring nut and tighten
the upper ring nut until their slots are
aligned.
h. Install the lock washer "1".
TIP
Make sure the lock washer tabs "a" sit correctly
in the ring nut slots "b".
5. Install:
• Handlebar
Refer to "HANDLEBAR" on page 4-71.
• Meter panel assembly
Refer to "GENERAL CHASSIS (3)" on page
4-7.
• Front cowling assemblies
Refer to "GENERAL CHASSIS (2)" on page
4-4.
• Battery
Refer to "GENERAL CHASSIS (1)" on page
4-1.
EAS30646

LUBRICATING THE STEERING HEAD

1. Lubricate:
• Bearing cover
• Upper bearing
• Lower bearing
• Dust seal
Recommended lubricant
Lithium-soap-based grease
EAS31186

CHECKING THE CHASSIS FASTENERS

Make sure that all nuts, bolts, and screws are
properly tightened.
1
a
b