Rear Shock Absorber Assembly; Handling The Rear Shock Absorber; Disposing Of A Rear Shock Absorber; Removing The Rear Shock Absorber Assembly - Yamaha YZF-R1 2020 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.
EAS30729

DISPOSING OF A REAR SHOCK ABSORBER

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 as
shown.
EWA13760
WARNING
Wear eye protection to prevent eye damage
from released gas or metal chips.

REAR SHOCK ABSORBER ASSEMBLY

B
A. YZF-R1
B. YZF-R1M
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.
2. Remove:
• Connecting arm upper nut
• Connecting arm upper bolt "1"
• Rear shock absorber assembly lower nut
• Rear shock absorber assembly lower bolt "2"
• Connecting arm lower nut
• Connecting arm lower bolt "3"
• Connecting arm "4"
TIP
When removing the bolt, hold the swingarm so
that it does not drop down.
3
3. Remove:
• Rear shock absorber assembly upper nut
• Rear shock absorber assembly upper bolt
4. Remove:
• Relay arm nut "1"
• Relay arm bolt "2"
4-116
1
2
4