Yamaha YZ426F(P) Owner's Service Manual page 530

STEERING
9. After tightening the nut, check the steer-
ing for smooth movement. If not, adjust
the steering by loosening the ring nut little
by little.
10. Adjust:
Front fork top end a
G
Front fork top end (standard) a:
Zero mm (Zero in)
11. Tighten:
Pinch bolt (handle crown) 1
G
Pinch bolt (under bracket) 2
G
CAUTION:
ACHTUNG:
Tighten the under bracket to specified
torque. If torqued too much, it may cause
the front fork to malfunction.
5 - 50
CHAS
23 Nm (2.3 m · kg, 17 ft · lb)
20 Nm (2.0 m · kg, 14 ft · lb)