THROTTLE BODIES
7-12
Pressure drops
→
Check the pressure gauge
and adapter.
Check the seals and O-rings, and then rein-
stall.
Replace the fuel injectors.
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EAS30482
CHECKING THE FUEL PRESSURE
1. Check:
• Fuel pressure
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a. Remove the fuel tank bracket bolts “1” and
holdup the fuel tank.
NOTICE
ECA20070
When lifting up the fuel tank, be careful not
to pull the fuel tank overflow hose and fuel
tank breather hose.
b. Disconnect the fuel hose “2” from the throttle
bodies.
WARNING
EWA16640
Cover fuel hose connections with a cloth
when disconnecting them. Residual pres-
sure in the fuel lines could cause fuel to
spurt out when removing the hoses.
NOTICE
ECA20010
Be sure to disconnect the fuel hose by hand.
Do not forcefully disconnect the hose with
tools.
c. Connect the pressure gauge “3” and adapter
“4” to the fuel hose “2”.
d. Start the engine.
e. Measure the fuel pressure.
Faulty
→
Replace the fuel pump.
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2. Install:
• Fuel tank
Refer to “FUEL TANK” on page 7-1.
EAS30937
INSTALLING THE THROTTLE BODY JOINT
1. Install:
• Throttle body joint “1”
TIP
Align the projection “a” on the throttle body joint
with the slot “b” in the throttle body joint clamp.
1
1
2
Pressure gauge
90890-03153
Pressure gauge
YU-03153
Fuel pressure adapter
90890-03176
Fuel pressure adapter
YM-03176
Fuel line pressure at idling
220–300 kPa (2.2–3.0 kgf/cm²,
31.9–43.5 psi) / Regulated pres-
sure 250 kPa (2.5 kgf/cm², 36.3
psi)
T
R
.
.
Rear fuel tank bracket bolt
(frame)
12 Nm (1.2 m·kgf, 8.7 ft·lbf)
Front fuel tank bracket bolt
(frame)
12 Nm (1.2 m·kgf, 8.7 ft·lbf)
T
R
.
.
Throttle body joint clamp screw
2.5 Nm (0.25 m·kgf, 1.8 ft·lbf)
3
2
4
Содержание YZF-R25
Страница 1: ......
Страница 2: ......
Страница 3: ......
Страница 6: ......
Страница 8: ......
Страница 25: ...BASIC SERVICE INFORMATION 1 16 ...
Страница 32: ...SPECIAL TOOLS 1 23 ...
Страница 49: ...TIGHTENING TORQUES 2 16 2 6 8 5 4 1 2 6 3 7 2 10 9 A ...
Страница 61: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 28 Oil pump right side view 1 2 1 Oil pump 2 Relief valve ...
Страница 66: ...COOLING SYSTEM DIAGRAMS 2 33 EAS20020 COOLING SYSTEM DIAGRAMS 1 2 3 1 5 4 4 ...
Страница 67: ...COOLING SYSTEM DIAGRAMS 2 34 1 Radiator 2 Radiator outlet hose 3 Water pump 4 Thermostat 5 Radiator inlet hose ...
Страница 99: ......
Страница 128: ...PERIODIC MAINTENANCE 3 29 ...
Страница 146: ...GENERAL CHASSIS 5 4 15 1 b b a a 2 ...
Страница 200: ...FRONT FORK 4 69 2 b a 1 ...
Страница 209: ...SWINGARM AND REAR SHOCK ABSORBER ASSEMBLY 4 78 2 1 1 1 a A B ...
Страница 214: ...CHAIN DRIVE 4 83 ...
Страница 227: ...ENGINE REMOVAL 5 10 T R Exhaust pipe protector bolt 8 Nm 0 8 m kgf 5 8 ft lbf LOCTITE 9 8 4 7 6 1 5 3 2 ...
Страница 256: ...CYLINDER AND PISTONS 5 39 1 ...
Страница 310: ...TRANSMISSION 5 93 ...
Страница 322: ...WATER PUMP 6 11 ...
Страница 336: ...THROTTLE BODIES 7 13 c 1 cylinder d 2 cylinder A Left B Right b a d c A B b 1 ...
Страница 337: ...THROTTLE BODIES 7 14 ...
Страница 338: ...AIR INDUCTION SYSTEM 7 15 EAS20071 AIR INDUCTION SYSTEM 1 2 3 4 5 1 2 ...
Страница 342: ...AIR INDUCTION SYSTEM 7 19 ...
Страница 345: ......
Страница 355: ...ELECTRIC STARTING SYSTEM 8 10 ...
Страница 359: ...CHARGING SYSTEM 8 14 ...
Страница 371: ...SIGNALING SYSTEM 8 26 ...
Страница 417: ...FUEL PUMP SYSTEM 8 72 ...
Страница 418: ...ELECTRICAL COMPONENTS 8 73 EAS20089 ELECTRICAL COMPONENTS 2 1 3 4 6 5 8 7 17 18 15 16 14 13 12 11 10 9 20 19 ...
Страница 420: ...ELECTRICAL COMPONENTS 8 75 2 3 4 5 12 11 10 9 8 7 1 6 ...
Страница 440: ...ELECTRICAL COMPONENTS 8 95 ...
Страница 451: ...SELF DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE 9 10 ...
Страница 453: ......
Страница 454: ......