Yamaha wr450f User Manual

Page of 20
7
Pre-load adjustment
1
Put the bike on a stand and loosen the screws in
the top fork crown that hold the fork legs.
NOTE!
On most MX-bikes you have take of the handle
bar off before you can unscrew the top cap.
Remove the adjustment wheel and the springs
and balls of the adjuster.
2
Unscrew the top cap, use a 17 mm wrench and
tool (1860-01) or tool (1873-01) and a 1/2” socket
wrench.
Put a box under the front wheel so that the
springs are visible.
3
Remove the top cap from the damper rod extender.
Use two 17mm wrenches, and tool (1860-01).
Adjustment
wheel
Balls and
springs
Tool
(1860-01)
Top cap
24 mm
wrench
Damper
rod assy
Damper rod
extender
17 mm
wrench
17 mm
wrench
Tool
(1873-01)