Yamaha WR250FM User Manual
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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 sen-
sor
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 Light switch
I Main switch
J CDI unit
K 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
Br .....................Brown
Gy ....................Gray
L .......................Blue
O ......................Orange
R ......................Red
Sb.....................Sky blue
W......................White
Y.......................Yellow
B/L....................Black/Blue
EC612000
WIRING DIAGRAM
1
23
45
6
78 9
0
A
B
C
DEF
GH I
J
K
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
ON
OFF
START
START
R -
Br L
/
W
B L Y
Y L B
-
L
B
B
Br
L
/
W
Br
L
/
W
L
/
B
-
L
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
B
/
L
B
O
L/Y Sb
L/R
R
W
Y
W
Y
W
Y
B
B
L
L
L
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
H
D
B
I
5
9
G
3
4
A
2
J
E
F
6
7
8
1
0
K
B/W.................. Black/White
L/B ................... Blue/Black
L/R ................... Blue/Red
L/Y ................... Blue/Yellow
L/W .................. Blue/White
R/B................... Red/Black
L/B ................... Blue/Black
L/R ................... Blue/Red
L/Y ................... Blue/Yellow
L/W .................. Blue/White
R/B................... Red/Black