Yamaha YZFR1Y(C) 2009 Service Manual page 138

Spring preload
ECA13590
Never go beyond the maximum or minimum
adjustment positions.
1. Adjust:
• Spring preload
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a. Adjust the spring preload with a spring pre-
load adjusting bolt.
b. Turn the spring preload adjusting bolt "1" in
direction "a" or "b".
c. Align the desired position on the "
"2" with the match mark "3".
Direction "a"
Spring preload is increased (suspension
is harder).
Direction "b"
Spring preload is decreased (suspension
is softer).
Spring preload adjusting posi-
tions
Minimum
16 turn(s) out*
Standard
8 turn(s) out*
Maximum
0 turn(s) out*
* With the adjusting screw fully turned in
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Rebound damping
ECA13590
Never go beyond the maximum or minimum
adjustment positions.
1. Adjust:
• Rebound damping
PERIODIC MAINTENANCE
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a. Turn the adjusting screw "1" in direction "a"
or "b".
Direction "a"
Rebound
(suspension is harder).
Direction "b"
Rebound
(suspension is softer).
Rebound
positions
" mark
* With the adjusting screw fully turned in
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Compression damping (for fast compres-
sion damping)
ECA13590
Never go beyond the maximum or minimum
adjustment positions.
1. Adjust:
• Compression damping (for fast compres-
sion damping)
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a. Turn the adjusting bolt "1" in direction "a" or
"b".
Direction "a"
Compression
(suspension is harder).
Direction "b"
Compression
(suspension is softer).
3-25
damping is
damping is
damping
Minimum
20 click(s) out*
Standard
15 click(s) out*
Maximum
3 click(s) out*
damping is
damping is
increased
decreased
adjusting
increased
decreased