Yamaha wr450f - Manual (Page 9)

9
Changing springs
6
Follow instructions 1-4 on previous page and
remove the spring. Do not install the spring
support spacer.
7
NOTE!
Closing the compression and the rebound valves
will keep the damper rod extended making it
easier to install the new spring.
Check the oil level according to page 6 and 10.
Pull out the damper rod as far as possible and
then close the compression and the rebound
valve (clockwise).
8
Install the new spring.
NOTE!
Check the free length of the spring. Original length
is 467 mm. If the spring length is under 460 mm
the spring must be changed.
Follow instruction 5 on previous page.
Adjust the compression and the rebound valves
according to specification card.
Fit the fork legs to the motorcycle
Tightening torques: top fork crown 20 Nm and
bottom fork crown 10 Nm.
L ≥ 460 mm
Compression
adjuster
Dismantling
9
Loosen the screws that hold the fork legs in the
upper fork crown.
With the fork leg still tightened in the lower fork
crown unscrew the top cap. Use a 17 mm wrench.
Loosen the screws that hold the fork legs in the
lower fork crown.
Remove the fork legs from the motorcycle and
fasten them in a vice with soft jaws.
Front fork
Vice with
soft jaws