Yamaha 2009 YZF-R1 (Y) Service Manual page 359

Mechanical seal installer
90890-04132
Water pump seal installer
YM-33221-A
Middle driven shaft bearing
driver
90890-04058
Bearing driver 40 mm
YM-04058
2. Water pump housing
3. Mechanical seal installer
4. Middle driven shaft bearing driver
A. Push down
3. Install:
• Rubber damper holder "1"
• Rubber damper "2"
TIP
Before installing the rubber damper, apply tap
water or coolant onto its outer surface.
4. Measure:
• Impeller shaft tilt
Out of specification → Repeat steps (3)
and (4).
New
New
ECA14090
Make sure the rubber damper and rubber
damper holder are flush with the impeller.
Impeller shaft tilt limit
0.15 mm (0.006 in)
1. Straightedge
2. Impeller
6-14
WATER PUMP