Yamaha YZ250(W)/W1, Owner'S Service Manual

Page: 486 / 596

5-58
CHAS
SWINGARM
EC575000
ASSEMBLY AND INSTALLATION
EC575202
Bearing and oil seal
1. Install:
9 Bearing
1
9 Oil seal
2
To swingarm.
NOTE:
9 Apply the molybdenum disulfide grease on the
bearing when installing.
9 Install the bearing by pressing it on the side hav-
ing the manufacture’s marks or numbers.
9 First install the outer and then the inner bear-
ings to a specified depth from inside.
Installed depth of bearings:
Outer
a a
: Zero mm (Zero in)
Inner
b b
: 6.5 mm (0.26 in)
EC574311
Connecting rod
1. Inspect:
9 Bearing
1
9 Collar
2
Free play exists/Unsmooth revolution/Rust
→
Replace bearing and collar as a set.
2. Inspect:
9 Oil seal
3
Damage
→
Replace.
2. Install:
9 Bearing
1
9 Plain washer
2
9 Oil seal
3
To relay arm.
NOTE:
9 Apply the molybdenum disulfide grease on the
bearing when installing.
9 Install the bearing by pressing it on the side hav-
ing the manufacture’s marks or numbers.
9 Apply the molybdenum disulfide grease on the
plain washer.
Installed depth of bearings
a a
:
Zero mm (Zero in)
1P8-9-32-5d 4/5/06 5:58 PM Page 8