Assembling The Water Pump - Yamaha XF50W Service Manual

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WATER PUMP
EAS00475

ASSEMBLING THE WATER PUMP

1. Install:
8bearing1
NOTE:
8 Before installing the oil seal, apply tap wa-
ter or coolant onto its out surface.
8 Install the oil seal with a socket that
matches its outside diameter.
2. Install:
8water pump seal
(into the water pump housing 2 )
cC
Never lubricate the water pump seal surface
with oil or grease.
NOTE:
8 Install the water pump seal with the special
tools.
8 Press in depth of water pump and oil seal
is 5.5~6.0mm a .
Mechanical seal installer
90890-04145 3
^
Middle driven shaft bearing driver
90890-04058 4
YM-04058
3. Measure:
8 impeller shaft tilt
Out of specification -»Replace the impeller
shaft .
Impeller shaft tilt limit
0.15mm(0.0059in)
1 Straightedge
2 Impeller
4. Install:
8impeller shaft1
8plate2
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After installation, check that the impeller
shaft rotates smoothly.
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COOL J C
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