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Yamaha YZ125 2021 - Checking and Tightening the Spokes; Checking the Connecting Arm and Relay Arm; Checking the Swingarm Operation; Checking the Tires

Yamaha YZ125 2021
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CHASSIS
3-23
EAM30240
CHECKING THE SWINGARM OPERATION
1. Check:
• Swingarm smooth action
• Swingarm free play
Refer to “SWINGARM” on page 4-59.
EAM30500
LUBRICATING THE SWINGARM PIVOT
1. Lubricate:
• Oil seal
• Collar
Refer to “INSTALLING THE SWINGARM” on
page 4-60.
EAM30501
CHECKING THE CONNECTING ARM AND
RELAY ARM
Refer to “CHECKING THE CONNECTING ARM
AND RELAY ARM” on page 4-56.
EAM30243
CHECKING THE TIRES
1. Measure:
• Tire pressure
Out of specification Regulate.
TIP
• Check the tire while it is cold.
• Because if the bead stopper tightening nut is
loose when the tire pressure is low, the tire
could slip off the rim, thus be sure to check and
tighten the bead stopper tightening nut “a”.
• If the tire valve stem “b” is found tilted, the tire
is considered to be slipping off its position. Cor-
rect the tire position.
EAM30244
CHECKING AND TIGHTENING THE SPOKES
1. Check:
• Spoke
Bend/damage Replace.
Loose Tighten.
Tap the spokes with a screwdriver.
TIP
A tight spoke will emit a clear, ringing tone; a
loose spoke will sound flat.
2. Tighten:
• Spoke
(with a spoke nipple wrench “1”)
Recommended lubricant
Lithium-soap-based grease
Tire air pressure (measured on
cold tires)
Front
100 kPa (1.00 kgf/cm², 15 psi)
Rear
100 kPa (1.00 kgf/cm², 15 psi)
a. Bead stopper tightening nut
b. Tire valve stem
Spoke nipple wrench (6–7)
90890-01521
Spoke nipple wrench (6–7)
YM-01521
a
b
G089059
1
G089060

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