WATER PUMP
6-9
EAS26510
DISASSEMBLING THE WATER PUMP
1. Remove:
• Rubber damper holder “1”
• Rubber damper “2”
(from the impeller, with a thin, flathead screw-
driver)
NOTE:
Do not scratch the impeller shaft.
2. Remove:
• Water pump seal “1”
NOTE:
Remove the water pump seal from the inside of
the water pump housing.
3. Remove:
• Oil seal “1”
• Bearing “2”
NOTE:
Remove the bearing and oil seal from the inside
of the water pump housing.
EAS26540
CHECKING THE WATER PUMP
1. Check:
• Water pump housing cover
• Water pump housing
• Impeller shaft
Cracks/damage/wear → Replace.
2. Check:
• Bearing
Rough movement → Replace.
EAS26560
ASSEMBLING THE WATER PUMP
1. Install:
• Oil seal “1”
(into the oil/water pump housing)
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:
• Water pump seal “1”
CAUTION:
ECA14080
Never lubricate the water pump seal surface
with oil or grease.
NOTE:
• Install the water pump seal with the special
tools.
• Before installing the water pump seal, apply
Yamaha bond No.1215 (Three Bond
No.1215®) “2” to the water pump housing “3”.
New
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