Yamaha YZ125 2019 Owner's Service Manual page 204

INSTALLING THE BEARING AND OIL SEAL
1. Install:
• Bearing "1"
• Oil seal "2"
To swingarm.
• Apply the molybdenum disulfide grease on
the bearing when installing.
• Install the bearing by pressing it on the side
having the manufacture's marks or numbers.
• First install the outer and then the inner bear-
ings to a specified depth from inside.
Installed depth of bearing:
Outer "a": 0 mm (0 in)
Inner "b": 6.5 mm (0.26 in)
2. Install:
• Bearing "1"
• Washer "2"
• Oil seal "3"
To relay arm.
• Apply the molybdenum disulfide grease on
the bearing when installing.
• Install the bearing by pressing it on the side
having the manufacture's marks or numbers.
• Apply the molybdenum disulfide grease on
the washer.
Installed depth of bearing "a":
0 mm (0 in)
3. Install:
• Bearing "1"
• Oil seal "2"
To connecting rod.
• Apply the molybdenum disulfide grease on
the bearing when installing.
• Install the bearing by pressing it on the side
having the manufacture's marks or numbers.
Installed depth of bearing "a":
0 mm (0 in)
5-51
SWINGARM