Installation - Yamaha RS90K Service Manual

1
2
1
2
b a
1
WATER PUMP
NOTE:
• Install the water pump seal 1 with the mechani-
cal seal installer 4 and 40 and 50 mm bearing
driver 5.
• Before installing the water pump seal, apply
Yamaha bond No.1215 2 or Quick gasket
the water pump housing 3.
Mechanical seal installer:
90890-04145, YM-04145
40 and 50 mm bearing driver:
90890-04058, YM-04058
Yamaha bond No. 1215:
90890-85505
Quick gasket
ACC-QUICK-GS-KT
È Push down
4. Install:
• Rubber damper holder 1
• Rubber damper 2
NOTE:
Before installing the rubber damper, apply tap
water or coolant onto its outer surface.
5. Measure:
• Impeller shaft tilt
Out of specification → Repeat steps (4) and
(5).
CAUTION:
Make sure the rubber damper and rubber
damper holder are flush with the impeller.
Max. impeller shaft tilt:
0.15 mm (0.0059 in)
1 Straightedge
2 Impeller

INSTALLATION

1. Install:
• Cap 1
NOTE:
Align the projection a on the cap with the slot in
the upper crankcase b.
6-13
COOL
®
®
:
to