Yamaha WR250F(N) Owner's Service Manual page 384

OIL FILTER ELEMENT, WATER PUMP AND RIGHT
CRANKCASE COVER
EC444200
Impeller shaft
1. Inspect:
Impeller shaft 1
Bend/wear/damage
Fur deposits
EC444300
Impeller shaft gear
1. Inspect:
Gear teeth a
Wear/damage
EC4H4600
Bearing
1. Inspect:
Bearing
Rotate inner race with a finger.
Rough spot/seizure
EC444400
Oil seal
1. Inspect:
Oil seal 1
Wear/damage
ASSEMBLY AND INSTALLATION
Oil seal
1. Install:
Oil seal 1
NOTE:
Apply the lithium soap base grease on the oil
seal lip.
Install the oil seal with its manufacture's
marks or numbers facing the right crankcase
cover 2.
4 - 59
ENG
Replace.
Clean.
Replace.
Replace.
Replace.