Rear Shock Absorber Assembly; Handling The Rear Shock Absorber; Disposing Of A Rear Shock Absorber (For Mtn890); Disposing Of A Rear Shock Absorber (For Mtn890D) - Yamaha MT-09 2021 Service Manual

EAS30826

HANDLING THE REAR SHOCK ABSORBER

EWA13740
WARNING
This rear shock absorber contains highly
compressed nitrogen gas. Before handling
the rear shock absorber, read and make sure
you understand the following information.
The manufacturer cannot be held responsi-
ble for property damage or personal injury
that may result from improper handling of
the rear shock absorber.
• Do not tamper or attempt to open the rear
shock absorber.
• Do not subject the rear shock absorber to
an open flame or any other source of high
heat. High heat can cause an explosion due
to excessive gas pressure.
• Do not deform or damage the rear shock
absorber in any way. Rear shock absorber
damage will result in poor damping perfor-
mance.
EAS31034
DISPOSING OF A REAR SHOCK ABSORBER
(for MTN890)
1. Gas pressure must be released before dis-
posing of a rear shock absorber. To release
the gas pressure, drill a 2–3 mm (0.08–0.12
in) hole through the rear shock absorber at a
point 20–25 mm (0.79–0.98 in) from its end
as shown.
EWA13760
WARNING
Wear eye protection to prevent eye damage
from released gas or metal chips.
EAS30729
DISPOSING OF A REAR SHOCK ABSORBER
(for MTN890D)
1. Gas pressure must be released before dis-
posing of a rear shock absorber. To release
the gas pressure, drill a 2–3 mm (0.08–0.12
in) hole through the flat portion of the gas cyl-
inder as shown.

REAR SHOCK ABSORBER ASSEMBLY

20-25 mm
(0.79-0.98 in)
4-80
EWA13760
WARNING
Wear eye protection to prevent eye damage
from released gas or metal chips.
EAS30219
REMOVING THE REAR SHOCK ABSORBER
ASSEMBLY
1. Stand the vehicle on a level surface.
EWA13120
WARNING
Securely support the vehicle so that there is
no danger of it falling over.
TIP
• Place the vehicle on a maintenance stand so
that the rear wheel is elevated.
• When removing the bolt, hold the swingarm so
that it does not drop down.
EAS30220
CHECKING THE REAR SHOCK ABSORBER
ASSEMBLY
1. Check:
• Rear shock absorber rod
Bends/damage → Replace the rear shock
absorber assembly.
• Rear shock absorber assembly
Gas leaks/oil leaks → Replace the rear shock
absorber assembly.
• Spring
• Bushing
Damage/wear → Replace the rear shock ab-
sorber assembly.
• Hose (for MTN890D)
Cracks/damage/wear → Replace the rear
shock absorber assembly.
• Bolt
Bends/damage/wear → Replace.