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Pre-load adjustment – Yamaha wr450f User Manual

Page 7

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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)