Yamaha RS90K Manuel D'atelier page 588

6
5
2
4
INSPECTION
1. Inspect:
1
3
2. Inspect:
ASSEMBLY
1. Install:
NOTE:
• Before installing the oil seal, apply tap water or
coolant onto its outer surface.
• Install the oil seal with a socket that matches its
outside diameter.
2. Install:
NOTE:
Install the bearing with a socket that matches its
outside diameter.
3. Install:
CAUTION:
Never apply oil or grease onto the water pump
seal surface.
6-12
WATER PUMP
• Water pump housing cover 1
• Water pump housing 2
• Impeller 3
• Impeller shaft gear 4
• Rubber damper 5
• Rubber damper holder 6
• Water pump seal
• Oil seal
Cracks/damage/wear → Replace.
• Bearing
Rough movement → Replace.
• Oil seal 1
New
(to the water pump housing)
• Bearing
• Water pump seal
New
COOL