Yamaha YZ450FP 2023 Owner's Service Manual page 189

2 New 2
1
3
a New 2 a
2 New 1 b
3. Install:
• Swingarm
Pivot shaft nut
75 N·m (7.5 kgf·m, 55 lb·ft)
TIP
• Install the pivot shaft from the right.
• Apply lithium-soap-based grease onto the
threads and contact surface of the pivot shaft
nut.
4. Install:
• Drive chain support "1"
• Drive chain support cover "2"
Drive chain support nut
7 N·m (0.7 kgf·m, 5.2 lb·ft)
Bolt (drive chain support)
7 N·m (0.7 kgf·m, 5.2 lb·ft)
TIP
• Align the projection "a" on the drive chain sup-
port with the part "b" of the drive chain support
cover, and then install.
• Align the slit "c" in the drive chain support with
swingarm stay as shown, and then install the
drive chain support.
New New 2
1
3
a 2 New a
b 1 New 2
4-73
1
2
b
c
5. Install:
• Rear wheel
Refer to "REAR WHEEL" on page 4-11.
6. Adjust:
• Drive chain slack
Refer to "DRIVE CHAIN SLACK" on page
3-27.
Drive chain slack (Maintenance
Stand)
50.0–60.0 mm (1.97–2.36 in)
SWINGARM
a