Removing The Front Arms; Checking The Front Arms; Handling The Front Shock Absorber And Gas Cylinder; Disposing Of A Front Shock Absorber And Gas Cylinder - Yamaha 2009 YFM25RY Service Manual

FRONT ARMS AND FRONT SHOCK ABSORBER ASSEMBLIES
EAS29720

REMOVING THE FRONT ARMS

The following procedure applies to both of the
front upper arms and front lower arms.
1. Check:
• Front arm free play
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a. Check the front arm side play "A" by mov-
ing it from side to side.
If side play is noticeable, check the bush-
ings.
b. Check the front arm vertical movement "B"
by moving it up and down.
If the vertical movement is tight or rough, or
if there is binding, check the bushings.
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
2. Remove:
• Front arm
EAS29730

CHECKING THE FRONT ARMS

The following procedure applies to both of the
front upper arms and front lower arms.
1. Check:
• Front upper arm "1"
• Front lower arm "2"
Bends/damage → Replace.
2. Check:
• Bushings "3"
Wear/damage → Replace.
EAS29740
HANDLING THE FRONT SHOCK
ABSORBER AND GAS CYLINDER
(For 4D3H, 4D3M)
EWA15050
WARNING
This front shock absorbers and gas cylin-
ders contain highly compressed nitrogen
gas. Before handling the front shock
absorber or gas cylinder, read and make
sure you understand the following informa-
tion. The manufacturer cannot be held
responsible for property damage or per-
sonal injury that may result from improper
handling of the front shock absorber and
gas cylinder.
• Do not tamper or attempt to open the
front shock absorber or gas cylinder.
• Do not subject the front 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 front shock
absorber or gas cylinder in any way. If the
front shock absorber, gas cylinder or both
are damaged, damping performance will
suffer.
EAS29750
DISPOSING OF A FRONT SHOCK
ABSORBER AND GAS CYLINDER
(For 4D3H, 4D3M)
Gas pressure must be released before dispos-
ing of a front shock absorber and gas cylinder.
To release the gas pressure, use a drill to open
a 2–3 mm (0.08–0.12 in) hole through the gas
valve as shown.
EWA13760
WARNING
Wear eye protection to prevent eye damage
from released gas or metal chips.
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