THERMOSTAT
6-11
EAS31660
REMOVING THE THERMOSTAT ASSEMBLY
1. Remove:
• Hose clamp (Clic-R)
Refer to “REMOVING THE RADIATOR” on
page 6-5.
• Radiator inlet hose
2. Remove:
• Thermostat assembly
EAS30443
CHECKING THE THERMOSTAT
1. Check:
• Thermostat
Does not open at 69–73 °C (156–163 °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 housing
• Thermostat housing cover
Cracks/damage
→
Replace.
EAS30444
ASSEMBLING THE THERMOSTAT
ASSEMBLY
1. Install:
• Thermostat housing “1”
• Thermostat “2”
• O-ring “3”
• Thermostat housing cover “4”
TIP
Install the thermostat with its breather hole “a”
facing up.
EAS30445
INSTALLING THE THERMOSTAT
ASSEMBLY
1. Install:
• Thermostat assembly
2. Install:
• Radiator inlet hose
• Hose clamp (Clic-R)
Refer to “INSTALLING THE RADIATOR” on
page 6-5.
TIP
For more information about installing the hose,
refer to “CABLE ROUTING” on page 2-17.
3. Fill:
• Cooling system
(with the specified amount of the recom-
mended coolant)
Refer to “CHANGING THE COOLANT” on
page 3-32.
4. Check:
• Cooling system
Leaks
→
Repair or replace any faulty part.
A. Fully closed
B. Fully open
C. 71 °C (159.8 °F)
D. 85 °C (185.0 °F)
E. 8 mm (0.31 in)
G089032
B
C
D
E
A
G089033
T
R
.
.
Thermostat housing cover nut
10 N·m (1.0 kgf·m, 7.4 lb·ft)
New
1
2
3
4
a
2
New
Summary of Contents for YZF-R1
Page 2: ......
Page 6: ......
Page 8: ......
Page 38: ...SPECIAL TOOLS 1 29 ...
Page 55: ...TIGHTENING TORQUES 2 16 ...
Page 60: ...CABLE ROUTING 2 21 Frame rear right side view B A C D 2 1 2 3 4 5 6 7 ...
Page 82: ...CABLE ROUTING 2 43 Front brake hose left side view A 1 1 1 1 2 2 2 3 3 3 4 4 4 3 4 ...
Page 86: ...CABLE ROUTING 2 47 Fuel tank top and left side view A B 1 2 3 4 5 2 5 ...
Page 92: ...CABLE ROUTING 2 53 Air cut off valve right side view A B C C D E 1 2 2 3 3 3 4 4 5 5 5 6 7 ...
Page 100: ...CABLE ROUTING 2 61 Muffler top and left side view 1 1 2 3 3 4 5 5 6 6 4 4 5 6 5 6 A ...
Page 104: ...CABLE ROUTING 2 65 ...
Page 107: ......
Page 144: ...PERIODIC MAINTENANCE 3 37 ...
Page 149: ......
Page 171: ...GENERAL CHASSIS 5 4 22 T R Front muffler protector bolt 7 N m 0 7 kgf m 5 2 lb ft b b a a 1 ...
Page 280: ...CHAIN DRIVE 4 131 ...
Page 336: ...ELECTRIC STARTER 5 53 1 2 3 a b ...
Page 406: ...WATER PUMP 6 17 ...
Page 432: ...AIR INDUCTION SYSTEM 7 25 ...
Page 435: ......
Page 441: ...IGNITION SYSTEM 8 6 ...
Page 449: ...CHARGING SYSTEM 8 14 ...
Page 453: ...LIGHTING SYSTEM 8 18 ...
Page 488: ...ELECTRICAL COMPONENTS 8 53 ...
Page 497: ......
Page 507: ...SYSTEM DIAGRAM 9 10 ...
Page 525: ...STEERING DAMPER SYSTEM 9 28 ...
Page 800: ...91_ABS 9 303 4 Defective hydraulic unit assembly Replace the hydraulic unit assembly ...
Page 801: ...91_ABS 9 304 ...
Page 804: ......
Page 805: ......
Page 806: ......