Service manual

YFZ450S WIRING DIAGRAM
(
BROWN
)
B W/L
(
BLACK
)
L R/W
YL
B/L
LY
B
Y
(
BLACK
)
(
BLACK
)
(
BLACK
)(
BLACK
)
(
BLACK
)
(
BLACK
)
W
R
W/B
Y/R
W/B R
B
Y/R
WR RW
(
GRAY
)(
GRAY
)
R
Br
Br/L
Br/L
R/W
Br
R
R
(
GRAY
)
(
GRAY
)
B Y/B
Y/BB/L
(
GRAY
)
(
GRAY
)
B B/Y
Y/BB/L
LB
BL
YW W/BY/R
(
BLACK
)
(
BLACK
)
(
BLACK
)
(
BLACK
)
BB
BrY
Y
(
BLACK
)
(
BLACK
)
BB
BrY
B
Y L
YL
B
LY
B
B
YR
W
W/B
R Y/R
B
B
Y G
GY
B
YG
B
(
BLACK
)
(
BLACK
)
GY
B
YG
B
B
Y G
ON
OFF
OFF
LO
HI
OFF
RUN
R
Br
Br Br
L
Y/R
Br
R/B
OFF
PUSH
L/B
Y G B
Y/R
L/B
Y
G
L
B
L
B
Y
G
Y/R
L/B
R/B Br R/B Br
15A
L/B
R
Y/B
Y/B B/Y
R/B Sb
B
B
L L
Y Y
OO
B
B/L
Y/B
B/L
B/Y
W/B
W
R
R/B
Sb
R
R
R R
Y/B
Y / B
L / B
L/B
B
B
B
B
B
Y/B
R/B
B/Y
Sb
Y/B
L/B
L/B
W/L
R/B
W/L
Br
Sb
B
W/L
Sb
Sb
Sb
L/B
W/L
B
O
W/B
W
(
BLACK
)(
BLACK
)
O
B
(
BLACK
)
(
GRAY
)
(
GRAY
)
R/BB/L
RLY Y/B
Sb
Br
R/B W/L
Sb
Sb
W/L Br
Br
Br/L
Br/L
R/W
R/W
Y/B Y/B
B/L B/L
L
L
B
R
1
2
3
4
7
6
8
MKJ
N
9
0
A
5
VU
TS
O
PQR
S
L
G
H
I
B
C
D
FE
1 A.C. magneto
2 Rectifier/regulator
3 Main switch
4 Battery
5 Fuse
6 Starter relay
7 Starter motor
8 Diode 1
9 Starting circuit cut-off relay
0 Clutch switch
A C.D.I. unit
B Ignition coil
C Spark plug
D Throttle position sensor
E Throttle switch
F Carburetor switch
G Circuit breaker (fan motor)
H Thermo switch 1
I Fan motor
J Coolant temperature warning light
K Neutral indicator light
L Neutral switch
M Diode 2
N Thermo switch 2
O Handlebar switch
P Light switch
Q Engine stop switch
R Start switch
S Headlight
T Tail/brake light
U Rear brake light switch
V Front brake light switch
COLOR CODE
B ............Black
Br ...........Brown
G............Green
L.............Blue
O............Orange
R ............Red
Sb ..........Sky blue
W ...........White
Y............ Yellow
B/L......... Black/Blue
B/Y ........ Black/Yellow
Br/L........ Brown/Blue
L/B......... Blue/Black
R/B ........ Red/Black
R/W ....... Red/White
W/B ....... White/Black
W/L ........White/Blue
Y/B.........Yellow/Black
Y/R.........Yellow/Red