Disassembling The Water Pump; Checking The Water Pump - Yamaha YZF-R1P Service Manual

WATER PUMP
EAS00471

DISASSEMBLING THE WATER PUMP

1. Remove:
• water pump seal 1
NOTE:
_
Tap out the water pump seal from the inside of
the water pump housing.
2 Water pump housing
2. Remove:
• oil seal 1
• bearing 2
NOTE:
_
Tap out the bearing and oil seal from the out-
side of the water pump housing.
3 Water pump housing
3. Remove:
• rubber damper holder 1
• rubber damper 2
(from the impeller, with a thin, flat-head
screwdriver)
NOTE:
_
Do not scratch the impeller shaft.
EAS00473

CHECKING THE WATER PUMP

1. Check:
• water pump housing cover 1
• water pump housing 2
• impeller 3
• rubber damper 4
• rubber damper holder 5
• water pump seals
• oil seal
Cracks/damage/wear → Replace.
2. Check:
• bearing
Rough movement → Replace.
3. Check:
• water pump outlet pipe
Cracks/damage/wear → Replace.
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