Yamaha YZ450FX 2019 Owner's Service Manual page 191

• Pivot shaft
Recommended lubricant
Molybdenum disulfide grease
2. Install:
• Bearing "1"
• Oil seal "2"
New
(to the swingarm)
Installed depth "a"
0–0.5 mm (0–0.02 in)
Installed depth "b"
6.5 mm (0.26 in)
TIP
First install the outer and then the inner bearings
to a specified depth from inside.
a a
New New
2 2
1
b
3. Install:
• Swingarm
Pivot shaft nut
85 N·m (8.5 kgf·m, 63 lb·ft)
TIP
Install the pivot shaft from the right.
4. Install:
• Rear wheel
Refer to "REAR WHEEL" on page 4-9.
5. Adjust:
• Drive chain slack
Refer to "ADJUSTING THE DRIVE CHAIN
SLACK" on page 3-27.
Drive chain slack (Maintenance
stand)
50.0–60.0 mm (1.97–2.36 in)
a a
New
2
1
b
4-63
SWINGARM