Yamaha WR250F(S), Owner'S Service Manual, Page: 738 / 864

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ELEC
ELECTRICAL COMPONENTS AND WIRING DIAGRAM
EC600000
ELECTRICAL
EC610000
ELECTRICAL COMPONENTS AND WIRING DIAGRAM
EC611000
ELECTRICAL COMPONENTS
1
Headlight
2
Engine stop switch
3
Clutch switch
4
Diode
5
Starter relay diode
6
Throttle position sensor
7
Starter relay
8
Fuse
9
Starting circuit cut-off relay
0
Taillight
A
Neutral switch
B
Starter motor
C
AC magneto
D
Rectifier/regulator
E
Ignition coil
F
Spark plug
G
Start switch
H
Main switch
I
CDI unit
J
Battery
COLOR CODE
B ...................... Black
Br..................... Brown
Gy .................... Gray
L ...................... Blue
O...................... Orange
R...................... Red
Sb .................... Sky blue
W ..................... White
Y ...................... Yellow
B/L ................... Black/Blue
B/W .................. Black/White
L/B ................... Blue/Black
L/R ................... Blue/Red
L/Y ................... Blue/Yellow
L/W .................. Blue/White
R/B................... Red/Black
EC612000
WIRING DIAGRAM
1
23
45
6
78 9
0
A B C
DEF
G H
I
J
W R
W R
R
B
R / B
Br
R
B
R / B
Br
R W
L / R L / B B B
Sb L / W
W Y
Y W
L / Y B B B
W Y
R
Y W
R
L Y
B
Y L
B / L
B
B
ON
OFF
10A
B
B
OFF
START
START
R -
Br L / W
B
Br
L / W
Br
L / W
L / B
-
Y B
Y L
B
L -
B
- Sb
B / W B
B B
W / R B / W
R / B Gy
Br
L / W
ON
STOP
O B
L Y
Sb
B / L
W R
Br B / W
L / B Gy
W
R / B
O B
L Y
Sb
B
/ L
B O
L / Y Sb
L / R
R
W
Y
W
Y
W
Y L
B
B
B
R
R R
/
B
B
Br
B
B
B
B B
L / W
R R R
R
B
R
Br
Br
L
/
W
L
/
W
Br
B
L
/ B
L
/ B
L
/
R
Br
R / B
L / B L / W
B / W
W W / R
W
R
O
L
Y
B / L
O
B
L
Y
B / L
Sb
B
/
W
B
L
/
R
L
/
Y
L
/
Y
B
Sb
Sb
B Gy
C
D
B
H
5
9
G
3
4
A
2
I
E
F
6
7 8
1
0
J