Yamaha FJR13AG Service Manual page 452

Mechanical seal installer
90890-04078
Water pump seal installer
YM-33221-A
Middle driven shaft bearing driv-
er
90890-04058
Middle drive bearing installer 40
& 50 mm
YM-04058
A. Push down
2. Mechanical seal installer
3. Middle driven shaft bearing driver
3. Install:
• Mechanical seal (impeller side) "1"
TIP
Before installing the mechanical seal (impeller
side), apply tap water or coolant onto its outer
surface.
4. Measure:
• Impeller shaft tilt
Out of specification → Repeat steps (3) and
(4).
ECA20340
NOTICE
Make sure the mechanical seal (impeller
side) is flush with the impeller.
TIP
If the surface "a" of the mechanical seal (impeller
side) that contacts the mechanical seal (housing
side) is dirty, clean it.
1. Straightedge
2. Impeller
5. Install:
• Impeller "1"
• Circlip
TIP
After installation, check that the impeller shaft ro-
New
tates smoothly.
EAS30449
INSTALLING THE WATER PUMP
1. Install:
• Water pump tray "1"
• O-ring "2"
• Water pump assembly "3"
TIP
• Install the water pump tray completely onto the
crankcase.
• Align the slit "a" on the impeller shaft with the
projection "b" on the oil pump driven sprocket.
• Lubricate the O-ring with a thin coat of lithium
soap base grease.
6-13
WATER PUMP
Impeller shaft tilt limit
0.15 mm (0.006 in)
New
New