Removing The Swingarm; Checking The Swingarm - Yamaha YZF-R125 Service Manual

YamahaR125.COM
EAS23350

REMOVING THE SWINGARM

1. Stand the vehicle on a level surface.
EWA13120
WARNING
Securely support the vehicle so that there is
no danger of it falling over.
NOTE:
Place the vehicle on a suitable stand so that the
rear wheel is elevated.
2. Measure:
• Swingarm side play
• Swingarm vertical movement
M MMM M MMM M M MMM M
a. Measure the tightening torque of the pivot
shaft nut.
Pivot shaft nut
81 Nm (8.1 m·kg, 59 ft·lb)
b. Measure the swingarm side play "A" by mov-
ing the swingarm from side to side.
c. If the swingarm side play is out of specifica-
tion, check the spacers, bearings, and dust
covers.
Swingarm end free play limit (axi-
al)
0 mm (0 in)
L LLL L LLL L L LLL L
3. Remove:
• Pivot shaft nut
• Pivot shaft
• Swingarm "1"
• Swingarm adjusting collar "2"
M MMM M MMM M M MMM M
a. Loosen the pivot shaft nut.
b. Fully turn in the swingarm adjusting collar so
that it contacts the frame "3".
c. Remove the pivot shaft nut, washer, pivot
shaft and swingarm.
M MMM M M MMM M M MMM M
A
L LLL L L LLL L L LLL L
M MMM M M MMM M M MMM M
1
L LLL L LLL L
EAS23360

CHECKING THE SWINGARM

1. Check:
MMM
• Swingarm
Bends/cracks/damage → Replace.
2. Check:
• Pivot shaft
Roll the pivot shaft on a flat surface.
Bends → Replace.
EWA13770
WARNING
Do not attempt to straighten a bent pivot
shaft.
3. Wash:
• Pivot shaft
• Washer
• Swingarm adjusting collar
• Dust covers
• Spacers
LLL
• Bearings
4. Check:
MMM
• Washer
• Swingarm adjusting collar
• Dust covers
• Spacers
• Oil seals
Damage/wear → Replace.
4-61
SWINGARM
3
2
L LLL L L LLL L L LLL L
Recommended cleaning solvent
Kerosene
L LLL L LLL