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ELECTRICAL COMPONENTS
8-49
b. Measure the spark plug cap resistance.
EAM30296
CHECKING THE IGNITION COIL
1. Disconnect:
•
Ignition coil terminal
(from the sub wire harness)
•
Spark plug cap
(from the ignition coil)
2. Check:
•
Primary coil resistance
Out of specification
Replace.
a. Connect the digital circuit tester (
) to the
ignition coil.
b. Measure the primary coil resistance.
3. Check:
•
Secondary coil resistance
Out of specification
Replace.
a. Connect the digital circuit tester (
) to the
ignition coil.
b. Measure the secondary coil resistance.
EAM30297
CHECKING THE CRANKSHAFT POSITION
SENSOR
1. Disconnect:
•
Crankshaft position sensor coupler
(from the wire harness)
2. Check:
•
Crankshaft position sensor resistance
Out of specification
Replace.
a. Connect the digital circuit tester (
) to the
crankshaft position sensor coupler.
Digital circuit tester (CD732)
90890-03243
Model 88 Multimeter with tachom-
eter
YU-A1927
Primary coil resistance
2.16–2.64
Digital circuit tester (CD732)
90890-03243
Model 88 Multimeter with tachom-
eter
YU-A1927
•
Positive tester probe
Ignition coil terminal 1 “1”
•
Negative tester probe
Ignition coil terminal 2 “2”
Secondary coil resistance
8.64–12.96 k
Digital circuit tester (CD732)
90890-03243
Model 88 Multimeter with tachom-
eter
YU-A1927
•
Positive tester probe
Ignition coil terminal 1 “1”
•
Negative tester probe
Spark plug lead “2”
Crankshaft position sensor resis-
tance
228–342
Digital circuit tester (CD732)
90890-03243
Model 88 Multimeter with tachom-
eter
YU-A1927
1
Содержание YZ450FN 2022
Страница 6: ...EAM20162 YAMAHA MOTOR CORPORATION U S A YZ MOTORCYCLE LIMITED WARRANTY...
Страница 10: ......
Страница 44: ...MOTORCYCLE CARE AND STORAGE 1 32...
Страница 61: ...TIGHTENING TORQUES 2 16...
Страница 62: ...CABLE ROUTING DIAGRAM 2 17 EAM20152 CABLE ROUTING DIAGRAM Frame and engine left side view...
Страница 64: ...CABLE ROUTING DIAGRAM 2 19 Frame and engine right side view...
Страница 66: ...CABLE ROUTING DIAGRAM 2 21 Handlebar front view...
Страница 68: ...CABLE ROUTING DIAGRAM 2 23 Frame and engine top view...
Страница 70: ...CABLE ROUTING DIAGRAM 2 25 Frame and battery top view...
Страница 72: ...CABLE ROUTING DIAGRAM 2 27 Rear brake right side view...
Страница 74: ...CABLE ROUTING DIAGRAM 2 29...
Страница 112: ...ELECTRICAL SYSTEM 3 36...
Страница 148: ...REAR BRAKE 4 34 system Refer to BLEEDING THE HYDRAULIC BRAKE SYSTEM on page 3 25...
Страница 188: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 5 2 EAM30507 LUBRICATION DIAGRAMS 1 Camshaft 2 Drive axle 3 Main axle...
Страница 189: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 5 3 1 Connecting rod 2 Oil nozzle 3 Crankshaft...
Страница 190: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 5 4 1 Exhaust camshaft 2 Intake camshaft 3 Oil filter element 4 Oil pump...
Страница 191: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 5 5 1 Oil filter element 2 Oil pump 3 Oil strainer...
Страница 243: ...SHIFT SHAFT 5 57 TIP Align the punch mark a on the shift shaft with the punch mark b in the shift pedal 1 1 2 2 a b...
Страница 270: ...WATER PUMP 6 9...
Страница 280: ...THROTTLE BODY 7 9...
Страница 287: ...IGNITION SYSTEM 8 6...
Страница 288: ...ELECTRIC STARTING SYSTEM 8 7 EAM20143 ELECTRIC STARTING SYSTEM EAM30279 CIRCUIT DIAGRAM...
Страница 292: ...CHARGING SYSTEM 8 11 EAM20144 CHARGING SYSTEM EAM30282 CIRCUIT DIAGRAM...
Страница 295: ...CHARGING SYSTEM 8 14...
Страница 296: ...FUEL INJECTION SYSTEM 8 15 EAM20145 FUEL INJECTION SYSTEM EAM30284 CIRCUIT DIAGRAM Sb P Y W...
Страница 319: ...FUEL INJECTION SYSTEM 8 38...
Страница 320: ...FUEL PUMP SYSTEM 8 39 EAM20146 FUEL PUMP SYSTEM EAM30287 CIRCUIT DIAGRAM...
Страница 350: ...SELF DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE 9 15...
Страница 360: ...CHASSIS 10 9...
Страница 362: ......
Страница 364: ......
Страница 366: ...YZ450FN 2022 WIRING DIAGRAM B2W 2819U 12_W D indd 2 2021 01 26 11 09 29...