Yamaha YZ450F Manuel D'atelier Du Proprietaire page 234

STEERING HEAD INSPECTION AND ADJUSTMENT
Steering shaft nut:
145 Nm (14.5 m • kg, 105 ft • lb)
Handlebar upper holder:
28 Nm (2.8 m • kg, 20 ft • lb)
Pinch bolt (handle crown):
23 Nm (2.3 m • kg, 17 ft • lb)
Number plate:
7 Nm (0.7 m • kg, 5.1 ft • lb)
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INSP
ADJ