Yamaha YZ250(S)/LC Owner's Service Manual page 470

SWINGARM
EC573000
REMOVAL POINTS
EC573201
Bearing
1. Remove:
9 Bearing 1
NOTE:
Remove the bearing by pressing its outer race.
EC574010
INSPECTION
Wash the bearings, bushes, collars, and covers in
a solvent.
EC574111
Swingarm
1. Inspect:
9 Bearing 1
9 Bush 2
Free play exists/Unsmooth revolution/Rust ¡
Replace bearing and bush as a set.
2. Inspect:
9 Oil seal 3
Damage ¡ Replace.
EC574211
Relay arm
1. Inspect:
9 Bearing (polylube bearing) 1
9 Collar 2
Free play exists/Unsmooth revolution/Rust ¡
Replace bearing and collar as a set.
2. Inspect:
9 Bearing (polylube bearing) 1
Loss of solid lubrication ¡ Replace.
9 Oil seal 3
Damage ¡ Replace.
NOTE:
Polylube bearings, with solid lubrication, have
been adopted with the intent to make the needle
bearings, used in this model, maintenance free.
With polylube bearings, no grease nipple and
regular lubrication
grease should be applied to all oil seals and col-
lars when removed or installed.
5-53
CHAS
is necessary. However,