AIR INDUCTION SYSTEM
7-13
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.
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 until the temperature
becomes higher than the specified value.
1. Check:
• Hoses
Loose connections
→
Connect properly.
Cracks/damage
→
Replace.
• Pipes
Cracks/damage
→
Replace.
2. Check:
• Reed valve “1”
• Reed valve stopper
• Reed valve seat
Cracks/damage
→
Replace the reed
valve.
3. Measure:
• Reed valve bending limit “a”
Out of specification
→
Replace the reed
valve.
4. Check:
• Air cut-off valve
Cracks/damage
→
Replace.
5. Check
• Air induction system solenoid
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Remove the air induction system solenoid
coupler from the wire harness.
b. Connect the pocket tester (
Ω
×
1) to the air
induction system solenoid terminals as
shown.
A. From the air cleaner
B. To the cylinder head
Reed valve bending limit
0.4 mm (0.016 in)
• Positive tester probe
Brown terminal “1”
• Negative tester probe
Brown/Red terminal “2”
Summary of Contents for 2008 Fazer FZ1-N
Page 1: ...SERVICE MANUAL FZ1 N X FZ1 S X FZ1 SA FZ1 NA 2008 5D0 28197 E1 ...
Page 6: ......
Page 8: ......
Page 44: ...SPECIAL TOOLS 1 35 ...
Page 63: ...TIGHTENING TORQUES 2 18 ...
Page 69: ...LUBRICATION POINTS AND LUBRICANT TYPES 2 24 ...
Page 72: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 27 EAS20410 LUBRICATION DIAGRAMS ...
Page 74: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 29 ...
Page 76: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 31 ...
Page 78: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 33 ...
Page 79: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 34 1 Main axle 2 Oil delivery pipe 3 Drive axle ...
Page 80: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 35 ...
Page 81: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 36 1 Cylinder head 2 Crankshaft ...
Page 82: ...COOLING SYSTEM DIAGRAMS 2 37 EAS20420 COOLING SYSTEM DIAGRAMS ...
Page 83: ...COOLING SYSTEM DIAGRAMS 2 38 1 Water pump 2 Radiator 3 Radiator fan ...
Page 84: ...COOLING SYSTEM DIAGRAMS 2 39 ...
Page 85: ...COOLING SYSTEM DIAGRAMS 2 40 1 Radiator cap 2 Radiator 3 Oil cooler 4 Thermostat ...
Page 86: ...CABLE ROUTING 2 41 EAS20430 CABLE ROUTING ...
Page 88: ...CABLE ROUTING 2 43 MM NN OO FZ1 S X H M M N N O H O FZ1 N X FZ1 S X ...
Page 90: ...CABLE ROUTING 2 45 ...
Page 92: ...CABLE ROUTING 2 47 ...
Page 96: ...CABLE ROUTING 2 51 ...
Page 98: ...CABLE ROUTING 2 53 ...
Page 100: ...CABLE ROUTING 2 55 ...
Page 106: ...CABLE ROUTING 2 61 ...
Page 108: ...CABLE ROUTING 2 63 ...
Page 114: ...CABLE ROUTING 2 69 EE E E F F FF AA A A FZ1 S X ...
Page 116: ...CABLE ROUTING 2 71 ...
Page 118: ...CABLE ROUTING 2 73 ...
Page 121: ......
Page 159: ...ELECTRICAL SYSTEM 3 38 A FZ1 N X FZ1 NA B FZ1 S X FZ1 SA ...
Page 160: ...ELECTRICAL SYSTEM 3 39 ...
Page 163: ......
Page 249: ...INSTALLING THE TRANSMISSION 5 88 ...
Page 366: ...AIR INDUCTION SYSTEM 7 15 ...
Page 370: ...IGNITION SYSTEM 8 1 EAS27090 IGNITION SYSTEM EAS27110 CIRCUIT DIAGRAM ...
Page 374: ...ELECTRIC STARTING SYSTEM 8 5 EAS27160 ELECTRIC STARTING SYSTEM EAS27170 CIRCUIT DIAGRAM ...
Page 380: ...CHARGING SYSTEM 8 11 EAS27200 CHARGING SYSTEM EAS27210 CIRCUIT DIAGRAM ...
Page 381: ...CHARGING SYSTEM 8 12 2 Rectifier regulator 3 AC magneto 6 Main fuse 7 Battery ...
Page 383: ...CHARGING SYSTEM 8 14 ...
Page 384: ...LIGHTING SYSTEM 8 15 EAS27240 LIGHTING SYSTEM EAS27250 CIRCUIT DIAGRAM FZ1 N X ...
Page 386: ...LIGHTING SYSTEM 8 17 EAS5D01027 CIRCUIT DIAGRAM FZ1 S X ...
Page 390: ...SIGNALING SYSTEM 8 21 EAS27270 SIGNALING SYSTEM EAS27280 CIRCUIT DIAGRAM ...
Page 396: ...COOLING SYSTEM 8 27 EAS27300 COOLING SYSTEM EAS27310 CIRCUIT DIAGRAM ...
Page 399: ...COOLING SYSTEM 8 30 ...
Page 400: ...FUEL INJECTION SYSTEM 8 31 EAS27330 FUEL INJECTION SYSTEM EAS27340 CIRCUIT DIAGRAM ...
Page 443: ...FUEL INJECTION SYSTEM 8 74 ...
Page 444: ...FUEL PUMP SYSTEM 8 75 EAS27550 FUEL PUMP SYSTEM EAS27560 CIRCUIT DIAGRAM ...
Page 447: ...FUEL PUMP SYSTEM 8 78 ...
Page 448: ...IMMOBILIZER SYSTEM 8 79 EAS27640 IMMOBILIZER SYSTEM EAS27650 CIRCUIT DIAGRAM ...
Page 457: ...IMMOBILIZER SYSTEM 8 88 ...
Page 462: ...ABS ANTI LOCK BRAKE SYSTEM 8 93 EAS27740 ABS COMPONENTS CHART FZ1 SA ...
Page 464: ...ABS ANTI LOCK BRAKE SYSTEM 8 95 FZ1 NA ...
Page 466: ...ABS ANTI LOCK BRAKE SYSTEM 8 97 EAS27750 ABS CONNECTOR LOCATION CHART FZ1 SA ...
Page 468: ...ABS ANTI LOCK BRAKE SYSTEM 8 99 FZ1 NA ...
Page 476: ...ABS ANTI LOCK BRAKE SYSTEM 8 107 EAS27810 BASIC PROCESS FOR TROUBLESHOOTING ...
Page 500: ...ELECTRICAL COMPONENTS 8 131 EAS27970 ELECTRICAL COMPONENTS ...
Page 502: ...ELECTRICAL COMPONENTS 8 133 ...
Page 504: ...ELECTRICAL COMPONENTS 8 135 EAS27980 CHECKING THE SWITCHES ...
Page 533: ...TROUBLESHOOTING 9 6 ...
Page 538: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN ...