Yamaha YFM25RY Automobile User Manual


 
REAR SHOCK ABSORBER ASSEMBLY
4-52
EAS23170
HANDLING THE REAR SHOCK ABSORBER
WARNING
EWA13750
This rear shock absorber and gas cylinder
contains highly compressed nitrogen gas.
Before handling the rear shock absorber
and gas cylinder, read and make sure you
understand the following information. The
manufacturer cannot be held responsible
for property damage or personal injury that
may result from improper handling of the
rear shock absorber and gas cylinder.
Do not tamper or attempt to open the rear
shock absorber or gas cylinder.
Do not subject the rear shock absorber or
gas cylinder to an open flame or any other
source of high heat. High heat can cause
an explosion due to excessive gas pres-
sure.
Do not deform or damage the rear shock
absorber or gas cylinder in any way. Rear
shock absorber damage will result in
poor damping performance.
EAS23200
DISPOSING OF A REAR SHOCK
ABSORBER
1. Gas pressure must be released before dis-
posing of a rear shock absorber and gas
cylinder. To release the gas pressure, drill a
2–3 mm (0.08–0.12 in) hole through the
rear shock absorber at a point 15–20 mm
(0.59–0.79 in) from its end as shown.
WARNING
EWA13760
Wear eye protection to prevent eye damage
from released gas or metal chips.
EAS23210
REMOVING THE REAR SHOCK ABSORBER
ASSEMBLY
1. Stand the vehicle on a level surface.
WARNING
EWA13120
Securely support the vehicle so that there
is no danger of it falling over.
TIP
Place the vehicle on a suitable stand so that
the rear wheel is elevated.
2. Remove:
Rear shock absorber assembly lower bolt
Rear shock absorber assembly upper
bolt
TIP
While removing the rear shock absorber
assembly lower bolt, hold the swingarm so that
it does not drop down.
EAS23250
CHECKING THE REAR SHOCK ABSORBER
ASSEMBLY
1. Check:
Rear shock absorber rod
Bends/damage Replace the rear
shock absorber assembly.
Rear shock absorber
Gas leaks/oil leaks Replace the rear
shock absorber assembly.
•Spring
Damage/wear Replace the rear shock
absorber assembly.
Gas cylinder (for 4D3H, 4D3M)
Damage/gas leaks Replace the rear
shock absorber assembly.
A. for 4D3D
B. for 4D3H, 4D3M