Yamaha TMAX 2020 Service Manual

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

Yamaha TMAX 2020 Specifications

General

Displacement	562cc
Bore x Stroke	70.0 mm x 73.0 mm
Compression Ratio	10.9:1
Fuel System	Fuel Injection
Ignition System	TCI
Transmission	V-Belt Automatic
Rear Suspension	Swingarm
Front Brake	Hydraulic dual disc, Ø267 mm
Rear Brake	Hydraulic single disc, Ø282 mm
Front Tyre	120/70R15M/C 56H
Rear Tyre	160/60R15M/C 67H
Overall Length	2, 200 mm
Overall Width	765 mm
Seat Height	800 mm
Wheelbase	1, 575 mm
Wet Weight	218 kg
Fuel Tank Capacity	15 litres
Engine Type	Liquid-cooled, 4-stroke, DOHC, 4-valve
Maximum Torque	55.7 Nm @ 5, 250 rpm
Front Suspension	Telescopic fork
Overall Height	1, 420mm