AIR INDUCTION SYSTEM
7-19
EAS27060
CHECKING THE AIR INDUCTION SYSTEM
Air injection
The air induction system burns unburned
exhaust gases by injecting fresh air (second-
ary air) into the exhaust port, reducing the
emission of hydrocarbons. When there is neg-
ative pressure at the exhaust port, the reed
valve opens, allowing secondary air to flow into
the exhaust port. The required temperature for
burning the unburned exhaust gases is
approximately 600 to 700
°
C (1112 to 1292
°
F).
Air cut-off valve
The air cut-off valve is controlled by the signals
from the ECU in accordance with the combus-
tion conditions. Ordinarily, the air cut-off valve
opens to allow the air to flow during idle and
closes to cut-off the flow when the vehicle is
being driven. However, if the coolant tempera-
ture is below the specified value, the air cut-off
valve remains open and allows the air to flow
into the exhaust pipe assembly until the tem-
perature becomes higher than the specified
value.
1. Check:
• Hoses
Loose connections
→
Connect properly.
Cracks/damage
→
Replace.
2. Check:
• Reed valve
• Reed valve stopper
• Reed valve seat
Cracks/damage
→
Replace the reed
valve assembly.
3. Measure:
• Reed valve bending limit “a”
Out of specification
→
Replace the reed
valve assembly.
4. Check:
• Air cut-off valve
Cracks/damage
→
Replace.
5. Check:
• Air induction system solenoid
Refer to “CHECKING THE AIR INDUC-
TION SYSTEM SOLENOID” on page 8-
99.
A. From the air filter case
B. To the cylinder head
A
B
B
A
B
B
Reed valve bending limit
0.4 mm (0.016 in)
Содержание YZFR6X(C) 2008
Страница 1: ...SERVICE MANUAL YZFR6X C 13S 28197 10 LIT 11616 21 61 2008 ...
Страница 6: ......
Страница 8: ......
Страница 57: ...LUBRICATION POINTS AND LUBRICANT TYPES 2 26 ...
Страница 60: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 29 EAS20410 LUBRICATION DIAGRAMS 1 2 3 4 ...
Страница 62: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 31 1 2 3 4 8 7 6 5 ...
Страница 64: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 33 1 2 3 4 5 ...
Страница 65: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 34 1 Oil cooler 2 Oil filter 3 Oil pipe 4 Oil pump 5 Oil strainer ...
Страница 66: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 35 1 5 4 3 2 ...
Страница 68: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 37 3 1 2 5 4 ...
Страница 70: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 39 1 3 2 ...
Страница 71: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 40 1 Oil pipe 2 Main axle 3 Drive axle ...
Страница 72: ...COOLING SYSTEM DIAGRAMS 2 41 EAS20420 COOLING SYSTEM DIAGRAMS 1 2 3 4 ...
Страница 73: ...COOLING SYSTEM DIAGRAMS 2 42 1 Radiator inlet hose 2 Radiator inlet pipe 3 Thermostat outlet hose 4 Radiator ...
Страница 74: ...COOLING SYSTEM DIAGRAMS 2 43 A A 2 1 3 4 5 6 7 8 6 13 8 9 15 14 9 10 11 12 ...
Страница 76: ...CABLE ROUTING 2 45 EAS20430 CABLE ROUTING ...
Страница 78: ...CABLE ROUTING 2 47 60 20 AA BB CC E E B D D B A A C C C ...
Страница 80: ...CABLE ROUTING 2 49 ...
Страница 82: ...CABLE ROUTING 2 51 ...
Страница 84: ...CABLE ROUTING 2 53 ...
Страница 86: ...CABLE ROUTING 2 55 ...
Страница 88: ...CABLE ROUTING 2 57 ...
Страница 90: ...CABLE ROUTING 2 59 A A ...
Страница 92: ...CABLE ROUTING 2 61 ...
Страница 95: ......
Страница 135: ......
Страница 206: ...CHAIN DRIVE 4 71 1 2 3 a a New ...
Страница 209: ......
Страница 240: ...PICKUP ROTOR 5 31 ...
Страница 286: ...TRANSMISSION 5 77 ...
Страница 290: ...RADIATOR 6 3 b Apply 100 kPa 14 50 psi 1 0 kg cm2 of pressure c Measure the indicated pressure with the gauge ...
Страница 300: ...WATER PUMP 6 13 ...
Страница 316: ...AIR INDUCTION SYSTEM 7 15 EAS27040 AIR INDUCTION SYSTEM 2 1 2 4 3 4 3 6 4 5 A A ...
Страница 323: ......
Страница 324: ...IGNITION SYSTEM 8 1 EAS27090 IGNITION SYSTEM EAS27110 CIRCUIT DIAGRAM ...
Страница 330: ...ELECTRIC STARTING SYSTEM 8 7 EAS27160 ELECTRIC STARTING SYSTEM EAS27170 CIRCUIT DIAGRAM ...
Страница 336: ...CHARGING SYSTEM 8 13 EAS27200 CHARGING SYSTEM EAS27210 CIRCUIT DIAGRAM ...
Страница 337: ...CHARGING SYSTEM 8 14 1 AC magneto 2 Rectifier regulator 6 Main fuse 7 Battery 11 Engine ground ...
Страница 339: ...CHARGING SYSTEM 8 16 ...
Страница 340: ...LIGHTING SYSTEM 8 17 EAS27240 LIGHTING SYSTEM EAS27250 CIRCUIT DIAGRAM ...
Страница 344: ...SIGNALING SYSTEM 8 21 EAS27270 SIGNALING SYSTEM EAS27280 CIRCUIT DIAGRAM ...
Страница 351: ...SIGNALING SYSTEM 8 28 ...
Страница 352: ...COOLING SYSTEM 8 29 EAS27300 COOLING SYSTEM EAS27310 CIRCUIT DIAGRAM ...
Страница 355: ...COOLING SYSTEM 8 32 ...
Страница 356: ...FUEL INJECTION SYSTEM 8 33 EAS27330 FUEL INJECTION SYSTEM EAS27340 CIRCUIT DIAGRAM ...
Страница 395: ...FUEL INJECTION SYSTEM 8 72 ...
Страница 396: ...FUEL PUMP SYSTEM 8 73 EAS27550 FUEL PUMP SYSTEM EAS27560 CIRCUIT DIAGRAM ...
Страница 399: ...FUEL PUMP SYSTEM 8 76 ...
Страница 400: ...ELECTRICAL COMPONENTS 8 77 EAS27970 ELECTRICAL COMPONENTS ...
Страница 402: ...ELECTRICAL COMPONENTS 8 79 1 5 4 3 2 6 7 8 9 10 12 13 11 14 15 16 17 18 ...
Страница 404: ...ELECTRICAL COMPONENTS 8 81 EAS27980 CHECKING THE SWITCHES ...
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Страница 432: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN ...