Yamaha YZ85 Manuel D'atelier Du Proprietaire page 434

Relay arm
1. Inspect:
Bearing 1
G
Bearing (polylube bearing) 2
G
Bushing 3
G
Free play exists/unsmooth revolution/rust
→ Replace bearing and bushing as a set.
2. Inspect:
Bearing (polylube bearing) 2
G
5PAR0023
Loss of solid lubrication → Replace.
Oil seal 4
G
Damage → Replace.
NOTE:
Polylube bearings, with solid lubrication, have
been adopted with the intent to make the nee-
dle bearings, used in this model, maintenance
free. With polylube bearings, no grease nipple
and regular lubrication is necessary. However,
grease should be applied to all oil seals and
collars when removed or installed.
Connecting rod
1. Inspect:
Bearing 1
G
Bushing 2
G
Free play exists/unsmooth revolution/rust
→ Replace bearing and bushing as a set.
2. Inspect:
Oil seal 3
G
5PA51700 Damage → Replace.
EC575000
ASSEMBLY AND INSTALLATION
Bearing, bushing and oil seal
1. Install:
Bearing 1
G
Bushing (swingarm) 2
G
Oil seal 3
G
To swingarm.
NOTE:
5PA51730
Apply the molybdenum disulfide grease on
G
the bearing and bushing when installing.
Install the bearing by pressing it on the side
G
having the manufacture's marks or numbers.
First install the bushing and then the bearing
G
to a specified depth from inside.
5PA51740
5 - 54
CHAS
SWINGARM
Installed depth of bearings and
bushings:
Bearing a: 4.5 mm (0.18 in)
Bushing b:4.5 mm (0.18 in)