Removing The Swingarm; Checking The Swingarm - Yamaha 2011 FZ8NA(C) Service Manual

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.
TIP
Place the vehicle on a suitable stand so that
the rear wheel is elevated.
2. Remove:
• Relay arm and swingarm bolt "1"
• Rear shock absorber assembly lower bolt
"2"
TIP
When removing the bolt, hold the swingarm so
that it does not drop down.
3. Measure:
• Swingarm side play
• Swingarm vertical movement
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a. Measure the tightening torque of the pivot
shaft nut.
Pivot shaft nut
105 Nm (10.5 m·kgf, 76 ft·lbf)
b. Check the swingarm side play "A" by mov-
ing the swingarm from side to side.
If the swingarm has side-to-side play, check
the spacer, bearings, and dust covers.
c. Check the swingarm vertical movement "B"
by moving the swingarm up and down.
If the swingarm vertical movement is not
smooth or if there is binding, check the
pivot shaft, spacer, bearings, and dust cov-
ers.
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4. Remove:
• Drive chain
Refer to "REMOVING THE DRIVE
CHAIN" on page 4-70.
• Swingarm
EAS23361

CHECKING THE SWINGARM

1. Check:
• 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
• Dust covers
• Spacer
• Washer
Recommended cleaning solvent
Kerosene
4-67
SWINGARM