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EBU19031
Adjusting the rear shock absorber as-
sembly
The spring preload can be adjusted to suit the rid-
er’s weight and the riding conditions.
Adjust the spring preload as follows.
1. Loosen the locknut.
2. Turn the adjusting nut in direction (a) to in-
crease the spring preload and thereby harden
the suspension, and in direction (b) to de-
crease the spring preload and thereby soften
the suspension.
TIP
● A special wrench can be obtained at a Yamaha
dealer to make this adjustment.
● The spring preload setting is determined by
measuring distance A, shown in the illustration.
The shorter distance A is, the higher the spring
preload; the longer distance A is, the lower the
spring preload. With each complete turn of the
adjusting nut, distance A is changed by 1.5 mm
(0.06 in).
WHAT CAN HAPPEN
Uneven adjustment can cause poor handling
and loss of stability, which could lead to an
accident.
HOW TO AVOID THE HAZARD
Always adjust the shock absorber assem-
blies on the left and right side to the same
setting.
1. Locknut
2. Spring preload adjusting nut
U5YT16E0.book Page 15 Friday, March 14, 2008 9:56 AM