Instrument and control functions
3-20
3
EAU47003
Adjusting the shock absorber
assemblyThis shock absorber assembly is
equipped with a spring preload adjust-
ing ring.NOTICE
ECA10102
To avoid damaging the mechanism,
do not attempt to turn beyond the
maximum or minimum settings.Adjust the spring preload as follows.
Turn the adjusting ring in direction (a)
to increase the spring preload.
Turn the adjusting ring in direction (b)
to decrease the spring preload.
Align the appropriate notch in the
adjusting ring with the position in-
dicator on the shock absorber.
Use the special wrench and ex-
tension bar included in the tool kit
to make the adjustment.
WARNING
EWA10222
This shock absorber assembly con-
tains highly pressurized nitrogen
gas. Read and understand the fol-
lowing information before handling
the shock absorber assembly.Do not tamper with or attempt
to open the cylinder assembly.
Do not subject the shock ab-
sorber assembly to an open
flame or other high heat source.
This may cause the unit to ex-
plode due to excessive gas
pressure.
Do not deform or damage the
cylinder in any way. Cylinder
damage will result in poor
damping performance.
Do not dispose of a damaged or
worn-out shock ab
sorber as-
sembly yourself. Take the shock
absorber assembly to a Yamaha
dealer for any service.
1. Extension bar
2. Special wrench
3. Spring preload adjusting ring
4. Position indicator
Spring preload setting:
Minimum (soft):
1
Standard:
3
Maximum (hard):
9
7 6
9 8 5 4 3 2 1
3(a)(b)
2
1
4
UBCNE0E0.book Page 20 Monday, February 4, 2019 10:04 AM
Periodic maintenance and adjustment
6-20
6 braking performance, which may re-
sult in loss of control and an acci-
dent.
EAU36505
Brake light switchesThe brake light should come on just
before braking takes effect. The brake
light is activated by switches connect-
ed to the brake lever and brake pedal.
Since the brake light switches are
components of the anti-lock brake sys-
tem, they should only be serviced by a
Yamaha dealer.
EAU22393
Checking the front and rear
brake padsThe front and rear brake pads must be
checked for wear at the intervals spec-
ified in the periodic maintenance and
lubrication chart.
EAU36891
Front brake pads
Each front brake pad is provided with
wear indicators, which allows you to
check the brake pad wear without hav-
ing to disassemble the brake. To check
the brake pad wear, check the position
of the wear indicators while applying
the brake. If a brake pad has worn to
the point that a wear indicator almost1. Brake pad wear indicatorZAUM1627
1
1
UBCNE0E0.book Page 20 Monday, February 4, 2019 10:04 AM