Adjusting The Preload Of The Front Fork Legs (For Yzf-R1M); Adjusting The Damping Force Of The Front Fork Legs And Rear Shock Absorber Assembly (For Yzf-R1M) - Yamaha YZF-R1 Series Service Manual

EAS31635
ADJUSTING THE PRELOAD OF THE FRONT
FORK LEGS (for YZF-R1M)
The following procedure applies to both of the
front fork legs.
EWA13120
WARNING
Securely support the vehicle so that there is
no danger of it falling over.
Spring preload
EWA17040
WARNING
Always adjust both front fork legs evenly.
Uneven adjustment can result in poor han-
dling and loss of stability.
ECA13590
NOTICE
Never go beyond the maximum or minimum
adjustment positions.
1. Adjust:
• Spring preload
a. Turn the main switch to "OFF".
b. Slide the rubber cover "1" back at each
coupler.
c. Disconnect the coupler "2" on each front
fork.
2
d. Turn the adjusting bolt "3" in direction "a"
or "b".
Direction "a"
Spring preload is increased (suspen-
sion is harder).
Direction "b"
Spring preload is decreased (suspen-
sion is softer).
1
3-23
PERIODIC MAINTENANCE
Spring preload
Minimum (soft)
0 turn(s) in direction "a"
Standard
3 turn(s) in direction "a"
Maximum (hard)
15 turn(s) in direction "a"
* With the adjusting nut fully turned in di-
rection "b"
3
a
e. Connect the coupler on each fork.
f. Slide the rubber cover to the original posi-
tion.
EAS30941
ADJUSTING THE DAMPING FORCE OF THE
FRONT FORK LEGS AND REAR SHOCK
ABSORBER ASSEMBLY (for YZF-R1M)
YRC Setting
MPH
1
T - 1
T - 2
R - 1
BRAKE CORNER
SETTING
SUPPORT SUPPORT
2 3
1. ERS mode
2. Braking support level
3. Cornering support level
4. Acceleration support level
5. Front overall damping level
6. Rear overall damping level
7. Factory preset level
8. Current level
The ERS consists of three semi-active automat-
ic modes (T-1, T-2 and R-1) and three manual
setting modes (M-1, M-2 and M-3). When an au-
tomatic mode is selected, the SCU will adjust the
compression and rebound damping forces
*
*
*
b
10 : 00
- 2 +2
H H
8
7
S S
ACCEL FRONT REAR
SUPPORT FIRM FIRM
4 5 6