Yamaha YZ450F(B) 2012 Owner's Service Manual page 186

ELECTRICAL COMPONENTS AND WIRING DIAGRAM
WIRING DIAGRAM
B/L Gy
Gy B
W1 W2
W2 W1
W1
W2
B
W1 W2
W2 W1
B
R
R
R B B R
B
1. Crankshaft position sensor
2. AC magneto
3. Rectifier/regulator
4. Condenser
5. Fuel pump
6. Engine stop switch
7. ECU
8. Ignition coil
9. Spark plug
10. Fuel injector
11. Intake air temperature sensor
12. Intake air pressure sensor
13. Throttle position sensor
14. Atmospheric pressure sensor
15. Coolant temperature sensor
16. Coupler for connecting optional
part
B/L
Gy
W1
W2
B/R R
B/R
B/Y
R
ON
STOP
R
B
B
R
B/W Lg R R Lg B/W
B
COLOR CODE
B Black
Br Brown
Gy Gray
L Blue
Lg Light green
O Orange
P Pink
R Red
W White
Y Yellow
B/L Black/Blue
B/R Black/Red
B/W Black/White
B/Y Black/Yellow
Br/W Brown/White
P/W Pink/White
R/B Red/Black
R/W Red/White
R
O R/W L Y
R/B Lg P/W
Br
B/L Gy B/Y Br/W
B/R B B/W P
Gy
O
R/B
B/R
R/W
B/Y
Br/W
P/W
B B
L
B/Y B
Y
B/L
Lg Lg
P
Br
B/W
B B/W
7-2
R
O
R O O R
R
R/B
R R/B
Br/W
P/W
B/L P/W L
B/L
L
L
L Y Y L
Y
B B/L
P
P L
B/L
B/L
L
Br
Br/W B/L
B/L
B/L
Br B/L