Service manual

ManualsBrandsYamaha ManualsScootersXF50W

WATER PUMP

COOL JC

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 New 1

(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

1

^5 ^5 ^5

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

cC

After installation, check that the impeller

shaft rotates smoothly.

6-10