Yamaha MT-09 2021, Service Manual

Page: 118 / 752

3 -22
PERIODIC MAINTENANCE
TIP
The spring preload setting is determined by
measuring the distance “c” shown in the illustra-
tion. The shorter distance “c” is, the higher the
spring preload; the longer distance “c” is, the
lower the spring preload.
Rebound damping (right side only)
NOTICE
ECA13590
Never go beyond the maximum or minimum
adjustment positions.
1. Adjust:
• Rebound damping
a. Turn the adjusting screw “1” in direction “a”
or “b”.
TIP
Although the total number of clicks of a damping
force adjusting mechanism may not exactly
match the above specifications due to small dif-
ferences in production, the actual number of
clicks always represents the entire adjusting
range. To obtain a precise adjustment, it would
be advisable to check the number of clicks of
each damping force adjusting mechanism and
to modify the specifications as necessary.
Compression damping (left side only)
NOTICE
ECA13590
Never go beyond the maximum or minimum
adjustment positions.
1. Adjust:
• Compression damping
a. Turn the adjusting screw “1” in direction “a”
or “b”.
Spring preload
Adjustment value (Soft)
19.0 mm (0.75 in)
Adjustment value (STD)
15.0 mm (0.59 in)
Adjustment value (Hard)
4.0 mm (0.16 in)
Direction “a”
Rebound damping is increased (sus-
pension is harder).
Direction “b”
Rebound damping is decreased (sus-
pension is softer).
c
Rebound damping
Adjustment value from the start
position (Soft)
11 (MTN890)
Adjustment value from the start
position (STD)
6 (MTN890)
Adjustment value from the start
position (Hard)
1
* Start position: With the adjusting screw
fully turned in direction “a”
Direction “a”
Compression damping is increased
(suspension is harder).
Direction “b”
Compression damping is decreased
(suspension is softer).
1
b a