Yamaha TMAX TECH MAX 2020 - Installing the Water Pump

6-14
WATER PUMP
3. Install:
• Mechanical seal (impeller side) “1”
TIP
Before installing the mechanical seal (impeller
side), apply tap water or coolant onto its outer
surface.
EAS30449
INSTALLING THE WATER PUMP
1. Install:
• O-ring
• Water pump assembly
TIP
• Lubricate the impeller shaft with molybdenum
disulfide grease.
• Lubricate the O-ring with a thin coat of lithium-
soap-based grease.
• Align the slit “a” on the impeller shaft with the
projection “b” on the oil pump shaft.
2. Fill:
• Cooling system
(with the specified amount of the recom-
mended coolant)
Refer to “CHANGING THE COOLANT” on
page 3-31.
3. Check:
• Cooling system
Leaks  Repair or replace any faulty part.
Refer to “INSTALLING THE RADIATOR” on
page 6-5.
4. Measure:
• Radiator cap valve opening pressure
Below the specified pressure  Replace the
radiator cap.
Refer to “CHECKING THE RADIATOR” on
page 6-5.
Mechanical seal installer (ø33)
90890-04132
Water pump seal installer (ø33)
YM-33221-A
Middle driven shaft bearing driver
90890-04058
Middle drive bearing installer
40 & 50 mm
YM-04058
A. Push down
3. Mechanical seal installer
4. Middle driven shaft bearing driver
1
2
3
4
New
New
G089035
Water pump assembly bolt
10 N·m (1.0 kgf·m, 7.4 lb·ft)
New
T
R
.
.
M