8 - 8
–
+
ELEC
IGNITION SYSTEM
EBS00503
IGNITION SYSTEM
CIRCUIT 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
W
R
R
W
( GRAY
)
( GRAY
)
B
Y
/
B
Y
/
B
B
/
L
( GRAY
)
( GRAY
)
B
B
/
Y
Y
/
B
B
/
L
L
B
B
L
Y
W
W
/
B
Y
/
R
( BLACK
)
( BLACK
)
( BLACK
)
( BLACK
)
B
B
Br
Y
Y
( BLACK
)
( BLACK
)
B
B
Br
Y
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
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
O
O
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
Br
/
L
Br
/
L
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
/
B
B
/
L
R
L
Y
Y
/
B
Sb
Br
R
/
B
W
/
L
Sb
Sb
W
/
L
Br
Br
R
/
W
R
/
W
Y
/
B
Y
/
B
B
/
L
B
/
L
L
L
B
1
2
4
7
6
8
MK
J
N
9
0
A
5
VU
TS
O
PQ
R
S
L
G
H
I
B
C
D
FE
( GRAY
)(
GRAY
)
R
Br
Br
/
L
Br
/
L
R
/
W
Br
R
R
ON
OFF
3
R
1
A.C. magneto
3
Main switch
4
Battery
5
Fuse
A
C.D.I. unit
B
Ignition coil
C
Spark plug
E
Throttle switch
F
Carburetor switch
Q
Engine stop switch
Summary of Contents for 2003 YFZ450S
Page 1: ...YFZ450S5TG2 AE1 SERVICE MANUAL ...
Page 2: ......
Page 8: ......
Page 9: ...GEN INFO 1 ...
Page 11: ...GEN INFO ...
Page 20: ......
Page 21: ...SPEC 2 ...
Page 23: ...SPEC ...
Page 34: ...2 11 SPEC ENGINE SPECIFICATIONS Cylinder head tightening sequence ...
Page 69: ......
Page 70: ...CHK ADJ 3 ...
Page 139: ...ENG 4 ...
Page 143: ...ENG ...
Page 224: ...COOL 5 ...
Page 226: ...COOL ...
Page 234: ......
Page 235: ...CARB 6 ...
Page 237: ...CARB ...
Page 248: ...CHAS 7 ...
Page 320: ......
Page 321: ...ELEC 8 ...
Page 323: ... ELEC ...
Page 338: ...8 15 ELEC IGNITION SYSTEM 4 Install throttle lever cover ...
Page 366: ...TRBL SHTG 9 ...
Page 368: ...TRBL SHTG ...
Page 374: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN ...