Yamaha YZ450F Owner's Service Manual page 172

6. Install:
• Washer "1"
7. Install:
• Front fork "1"
• Upper bracket "2"
• Temporarily tighten the pinch bolts
(lower bracket).
• Do not tighten the pinch bolts (up-
per bracket) yet.
8. Install:
• Steering stem nut "1"
Steering stem nut:
145 Nm (14.5 m•kg, 105
ft•lb)
Apply the lithium soap base grease
on the contact surface of the steering
stem nut when installing.
9. After tightening the nut, check the
steering for smooth movement. If
not, adjust the steering by loosen-
ing the steering ring nut little by lit-
tle.
10. Adjust:
• Front fork top end "a"
Front fork top end (stan-
dard) "a":
Zero mm (Zero in)
11. Tighten:
• Pinch bolt (upper bracket) "1"
Pinch bolt (upper brack-
et):
21 Nm (2.1 m•kg, 15
ft•lb)
• Pinch bolt (lower bracket) "2"
Pinch bolt (lower brack-
et):
21 Nm (2.1 m•kg, 15
ft•lb)
Tighten the lower bracket to speci-
fied torque. If torqued too much, it
may cause the front fork to mal-
function.
5-31
STEERING