Assembling The Water Pump - Yamaha 2004 YXR660 Service Manual

WATER PUMP
3. Measure:
• impeller shaft tilt
Out of specification → Replace.
Max. impeller shaft tilt
0.15 mm (0.006 in)
1 Straightedge
2 Impeller

ASSEMBLING THE WATER PUMP

1. Install:
• oil seal 1
New
(into the water pump housing 2)
NOTE:
• Before installing the oil seal, apply tap water
or coolant onto its outer surface.
• Install the oil seal with a socket 3 that
matches its outside diameter.
2. Install:
• water pump seal 1
(into the water pump housing 2)
CAUTION:
Never lubricate the water pump seal sur-
face with oil or grease.
NOTE:
Install the water pump seal with the special
tools.
Water pump seal installer 3
P/N. YM-33221
Mechanical seal installer 3
P/N. 90890-04078
Middle driven shaft bearing driver
4
P/N. YM-04058-1, 90890-04058
È Push down.
5 - 8
COOL
New