Disassembling The Water Pump; Checking The Water Pump - Yamaha 2004 Rhino 660 YXR660FAS Service Manual

WATER PUMP

DISASSEMBLING THE WATER PUMP

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

CHECKING THE WATER PUMP

1. Check:
• water pump housing cover 1
• water pump housing 2
• impeller 3
• rubber damper 4
• rubber damper holder 5
Cracks/damage/wear → Replace.
2. Check:
• water pump seal
• oil seal
• water pump outlet pipe
Cracks/damage/wear → Replace.
• bearing
Rough movement → Replace.
5 - 7
COOL