Yamaha 2009 YZF-R1 (Y) Service Manual page 235

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:
• Connecting arm and swingarm bolt "1"
• Relay arm bolt "2"
• Rear shock absorber assembly lower bolt
"3"
TIP
When removing the connecting arm and swin-
garm bolt, hold the swingarm so that it does
not drop down.
3. Measure:
• Swingarm side play
• Swingarm vertical movement
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Measure the tightening torque of the pivot
shaft nut, pivot shaft ring nut, and pivot
shaft.
Pivot shaft nut
105 Nm (10.5 m·kgf, 75 ft·lbf)
Pivot shaft ring nut
65 Nm (6.5 m·kgf, 47 ft·lbf)
Pivot shaft
7 Nm (0.7 m·kgf, 5.1 ft·lbf)
b. Measure the swingarm side play "A" by
moving the swingarm from side to side.
c. If the swingarm side play is out of specifica-
tion, check the spacer, bearings, collar and
dust cover.
Swingarm side play (at the end
of the swingarm)
1.0 mm (0.04 in)
d. Check the swingarm vertical movement "B"
by moving the swingarm up and down.
If swingarm vertical movement is not
smooth or if there is binding, check the
spacer, bearings, collar and dust cover.
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
4. Remove:
• Drive chain
Refer to "REMOVING THE DRIVE
CHAIN" on page 4-84.
5. Remove:
• Pivot shaft nut
• Pivot shaft ring nut "1"
TIP
Loosen the pivot shaft ring nut with the ring nut
wrench "2".
Ring nut wrench
90890-01507
YM-01507
6. Remove:
• Pivot shaft "1"
TIP
Loosen the pivot shaft with the damper rod
holder (22 mm) "2".
4-80
SWINGARM