Yamaha YZ450F Manuel D'atelier Du Proprietaire page 510

FRONT FORK
21. Check:
• Inner tube smooth movement
Tightness/binding/rough spots → Repeat
the steps 14 to 20.
22. Measure:
• Distance a
Out of specification → Turn into the lock-
nut.
Distance a:
19 mm (0.75 in) or more
Between damper assembly 1
bottom and locknut 2 bottom.
23. Install:
• Spacer (metal) 1
• Fork spring 2
• Spacer (resin) 3
To damper assembly 4.
NOTE:
Install the spacer with the plate a facing the
fork spring.
24. Install:
• Damper assembly 1
To inner tube 2.
CAUTION:
To install the damper assembly into the
inner tube, hold the inner tube aslant. If the
inner tube is held vertically, the damper
assembly may fall into it, damaging the
valve inside.
25. Loosen:
• Rebound damping adjuster 1
NOTE:
• Loosen the rebound damping adjuster finger
tight.
• Record the set position of the adjuster (the
amount of turning out the fully turned in posi-
tion).
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CHAS