Assembling The Water Pump; Middle Driven Shaft Bearing Driver - Yamaha MT-03 Service Manual

EAS00475

ASSEMBLING THE WATER PUMP

1. Install:
• Oil seal "1"
New
(into the water pump housing "2")
• Bearing "3"
NOTE:
• Before installing the oil seal, apply tap water
or coolant onto its outer surface.
• Install the oil seal with a socket that matches
its outside diameter.
2. Install:
• Water pump seal "1"
CAUTION:
Never lubricate the water pump seal sur-
face with oil or grease.
NOTE:
• Install the water pump seal with the special
tools.
• Before installing the water pump, apply
Yamaha bond No.1215 "2" to the water pump
housing "3".
Mechanical seal installer "4"
90890-04132
Middle driven shaft bearing
driver "5"
90890-04058
Yamaha bond No.1215
90890-85505
New
å Push down.
3. Install:
• Rubber damper "1"
• Rubber damper holder "2"
NOTE:
Before installing the rubber damper, apply tap
water or coolant onto its outer surface.
4. Measure:
• Impeller shaft tilt
Out of specification
(4).
CAUTION:
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
6-10
WATER PUMP
New
New
Repeat steps (3) and