Yamaha YZ450FX 2023 Owner's Manual page 110

8. Install:
• Steering stem nut "1"
Steering stem nut
145 N·m (14.5 kgf·m, 107 lb·ft)
TIP
Apply the lithium-soap-based grease to the con-
tact surface of the steering stem nut when in-
stalling.
9. After tightening the nut, check the steering for
smooth movement. If not, adjust the steering
by loosening the steering ring nut little by lit-
tle.
10.Adjust:
• Front fork top end "a"
Front fork top end (standard) "a"
5 mm (0.20 in)
a
11.Tighten:
• Upper bracket pinch bolt "1"
Upper bracket pinch bolt
21 N·m (2.1 kgf·m, 15 lb·ft)
• Lower bracket pinch bolt "2"
Lower bracket pinch bolt
21 N·m (2.1 kgf·m, 15 lb·ft)
EWA19330
WARNING
Tighten the lower bracket to specified
torque. If torqued too much, it may cause the
front fork to malfunction.
2
4-28
STEERING HEAD
1