FUEL INJECTION SYSTEM
8-28
1. Crankshaft position sensor
2. AC magneto
3. Rectifier/regulator
4. Joint connector
6. Main relay
7. Engine ground
8. Battery
9. Frame ground
10.Main fuse
11.Starter relay
13.Diode 3
17.Diode 2
18.Yamaha diagnostic tool coupler
19.ECU (Engine Control Unit)
20.Ignition coil
21.Spark plug
22.Fuel injector
24.Fuel pump
28.Intake air temperature sensor
29.Coolant temperature sensor
30.Throttle position sensor
31.Intake air pressure sensor
33.Engine stop switch
34.Gear position switch
35.Diode 1
36.Starting circuit cut-off relay
37.Clutch switch
41.Multi-function display
A. Battery sub-lead
B. Wire harness
C. Ignition coil sub-lead
Summary of Contents for WR450FN 2022
Page 5: ...EAM20093 YAMAHA MOTOR CORPORATION U S A WR MOTORCYCLE LIMITED WARRANTY...
Page 8: ......
Page 10: ......
Page 41: ...MULTI FUNCTION DISPLAY 1 29...
Page 62: ...ELECTRICAL SPECIFICATIONS 2 9 Radiator fan motor fuse 5 0 A Spare fuse 15 0 A...
Page 71: ...TIGHTENING TORQUES 2 18...
Page 72: ...CABLE ROUTING DIAGRAM 2 19 EAM20152 CABLE ROUTING DIAGRAM Frame and engine left side view...
Page 74: ...CABLE ROUTING DIAGRAM 2 21 Frame and engine right side view...
Page 76: ...CABLE ROUTING DIAGRAM 2 23 Handlebar front view...
Page 78: ...CABLE ROUTING DIAGRAM 2 25 Frame and engine top view...
Page 80: ...CABLE ROUTING DIAGRAM 2 27 Frame and battery top view...
Page 82: ...CABLE ROUTING DIAGRAM 2 29 Rear brake right side view...
Page 84: ...CABLE ROUTING DIAGRAM 2 31 Front brake front view and right side view...
Page 86: ...CABLE ROUTING DIAGRAM 2 33 Taillight top view and right side view...
Page 88: ...CABLE ROUTING DIAGRAM 2 35...
Page 205: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 5 3 1 Connecting rod 2 Oil nozzle 3 Crankshaft...
Page 207: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 5 5 1 Oil filter element 2 Oil pump 3 Oil strainer...
Page 286: ...WATER PUMP 6 9...
Page 296: ...THROTTLE BODY 7 9...
Page 299: ......
Page 300: ...IGNITION SYSTEM 8 1 EAM20142 IGNITION SYSTEM EAM30277 CIRCUIT DIAGRAM...
Page 304: ...ELECTRIC STARTING SYSTEM 8 5 EAM20143 ELECTRIC STARTING SYSTEM EAM30279 CIRCUIT DIAGRAM...
Page 310: ...CHARGING SYSTEM 8 11 EAM20144 CHARGING SYSTEM EAM30282 CIRCUIT DIAGRAM...
Page 313: ...CHARGING SYSTEM 8 14...
Page 314: ...SIGNALING SYSTEM 8 15 EAM20154 SIGNALING SYSTEM EAM30348 CIRCUIT DIAGRAM...
Page 318: ...LIGHTING SYSTEM 8 19 EAM20153 LIGHTING SYSTEM EAM30346 CIRCUIT DIAGRAM...
Page 321: ...LIGHTING SYSTEM 8 22...
Page 322: ...COOLING SYSTEM 8 23 EAM20155 COOLING SYSTEM EAM30350 CIRCUIT DIAGRAM...
Page 325: ...COOLING SYSTEM 8 26...
Page 326: ...FUEL INJECTION SYSTEM 8 27 EAM20145 FUEL INJECTION SYSTEM EAM30284 CIRCUIT DIAGRAM...
Page 351: ...FUEL INJECTION SYSTEM 8 52...
Page 352: ...FUEL PUMP SYSTEM 8 53 EAM20146 FUEL PUMP SYSTEM EAM30287 CIRCUIT DIAGRAM...
Page 386: ...SELF DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE 9 15...
Page 396: ...CHASSIS 10 9...
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