Handling The Rear Shock Absorber And Gas Cylinder; Disposing Of A Rear Shock Absorber; Removing The Rear Shock Absorber Assembly; Checking The Rear Shock Absorber Assembly And Gas Cylinder - Yamaha Vmax VMX17C 2009 Service Manual

EAS23170
HANDLING THE REAR SHOCK ABSORBER
AND GAS CYLINDER
EWA13750
WARNING
This rear shock absorber and gas cylinder
contain highly compressed nitrogen gas. Be-
fore handling the rear shock absorber or gas
cylinder, read and make sure you under-
stand the following information. The manu-
facturer 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 pressure.
• Do not deform or damage the rear shock
absorber or gas cylinder in any way. If the
rear shock absorber, gas cylinder or both
are damaged, damping performance will
suffer.
EAS23190

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 at a
point 45–55 mm (1.77–2.17 in) from its end
as shown.
EWA13760
WARNING
Wear eye protection to prevent eye damage
from released gas or metal chips.
REAR SHOCK ABSORBER ASSEMBLY
EAS23230
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 suitable stand so that the
rear wheel is elevated.
2. Remove:
• Rear shock absorber assembly lower bolt
• Washer
• Spacer
TIP
While removing the rear shock absorber assem-
bly lower bolt and spacer, hold the swingarm so
that it does not drop down.
EAS23250
CHECKING THE REAR SHOCK ABSORBER
ASSEMBLY AND GAS CYLINDER
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 ab-
sorber assembly.
• Gas cylinder
Damage/gas leaks → Replace.
• Bushings
Damage/wear → Replace the rear shock ab-
sorber assembly.
• Bolts
Bends/damage/wear → Replace.
EAS23260
CHECKING THE CONNECTING ARM AND
RELAY ARM
1. Check:
• Connecting arm
• Relay arm
Damage/wear → Replace.
2. Check:
• Bearings
• Oil seals
Damage/pitting → Replace.
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