TROUBLESHOOTING
9-1
EAS28450
TROUBLESHOOTING
EAS28460
GENERAL INFORMATION
NOTE:
The following guide for troubleshooting does
not cover all the possible causes of trouble. It
should be helpful, however, as a guide to basic
troubleshooting. Refer to the relative proce-
dure in this manual for checks, adjustments,
and replacement of parts.
EAS28470
STARTING FAILURES
Engine
1. Cylinder(s) and cylinder head(s)
• Loose spark plug
• Loose cylinder head or cylinder
• Damaged cylinder head gasket
• Damaged cylinder gasket
• Worn or damaged cylinder
• Incorrect valve clearance
• Improperly sealed valve
• Incorrect valve-to-valve-seat contact
• Incorrect valve timing
• Faulty valve spring
• Seized valve
2. Piston(s) and piston ring(s)
• Improperly installed piston ring
• Damaged, worn or fatigued piston ring
• Seized piston ring
• Seized or damaged piston
3. Air filter
• Improperly installed air filter
• Clogged air filter element
4. Crankcase and crankshaft
• Improperly assembled crankcase
• Seized crankshaft
Fuel system
1. Fuel tank
• Empty fuel tank
• Clogged fuel filter
• Clogged fuel strainer
• Clogged fuel tank drain hose
• Clogged rollover valve hose
• Deteriorated or contaminated fuel
2. Fuel pump
• Faulty fuel pump
• Faulty fuel pump relay
3. Throttle body (-ies)
• Deteriorated or contaminated fuel
• Sucked-in air
Electrical system
1. Battery
• Discharged battery
• Faulty battery
2. Fuse(s)
• Blown, damaged or incorrect fuse
• Improperly installed fuse
3. Spark plug(s)
• Incorrect spark plug gap
• Incorrect spark plug heat range
• Fouled spark plug
• Worn or damaged electrode
• Worn or damaged insulator
4. Ignition coil(s)
• Cracked or broken ignition coil body
• Broken or shorted primary or secondary
coils
5. Ignition system
• Faulty ECU
• Faulty crankshaft position sensor
6. Switches and wiring
• Faulty main switch
• Faulty engine stop switch
• Broken or shorted wiring
• Faulty neutral switch
• Faulty start switch
• Faulty sidestand switch
• Faulty clutch switch
• Improperly grounded circuit
• Loose connections
7. Starting system
• Faulty starter motor
• Faulty starter relay
• Faulty starting circuit cut-off relay
• Faulty starter clutch
EAS28490
INCORRECT ENGINE IDLING SPEED
Engine
1. Cylinder(s) and cylinder head(s)
• Incorrect valve clearance
• Damaged valve train components
2. Air filter
• Clogged air filter element
Fuel system
1. Throttle body (-ies)
• Damaged or loose throttle body joint
• Improperly synchronized throttle bodies
• Improperly adjusted engine idling speed
(idle adjusting screw)
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 ...