Yamaha TMAX TECH MAX 2020 User Manual

6-10
THERMOSTAT
EAS30443
CHECKING THE THERMOSTAT
1. Check:
• Thermostat
Does not open at 82–95 C (179.6–203 F) 
Replace.
a. Suspend the thermostat “1” in a container
“2” filled with water.
b. Slowly heat the water “3”.
c. Place a thermometer “4” in the water.
d. While stirring the water, observe the ther-
mostat and thermometer’s indicated tem-
perature.
TIP
If the accuracy of the thermostat is in doubt, re-
place it. A faulty thermostat could cause serious
overheating or overcooling.
2. Check:
• Thermostat cover
Cracks/damage  Replace.
EAS30445
INSTALLING THE THERMOSTAT
ASSEMBLY
1. Install:
• Thermostat
TIP
Install the thermostat with its jiggle valve “a”
facing upward.
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.
A. Fully closed
B. Fully open
C. 82 C (179.6 F)
D. 95 C (203 F)
E. 8 mm (0.31 in)
G089032
B
CD
E
A
G089033
a

Yamaha TMAX TECH MAX 2020 Specifications

General

Displacement	562 cc
Compression Ratio	10.9:1
Lubrication System	Wet sump
Fuel System	Fuel Injection
Ignition System	TCI
Starter System	Electric
Transmission System	V-Belt Automatic
Final Drive	Belt
Front Suspension System	Telescopic fork
Front Travel	120 mm
Rear Suspension System	Swingarm
Rear Travel	117 mm
Front Tyre	120/70-15
Seat Height	800 mm
Wheel Base	1, 575 mm
Minimum Ground Clearance	135 mm
Wet Weight	220 kg
Engine Type	Liquid-cooled, 4-stroke, DOHC, 4-valve
Maximum Torque	55.7 Nm (5.7 kg-m) @ 5, 250 rpm
Front Brake	Dual 267 mm discs
Rear Brake	Single hydraulic disc
Rear Tyre	160/60-15
Fuel Tank Capacity	15 litres
Features	Heated Grips, Adjustable windscreen, Traction control