Yamaha TT-R90(T) Owner's Service Manual page 314

ELECTRICAL COMPONENTS AND WIRING DIAGRAM
TT-R90E
EC611000
ELECTRICAL COMPONENTS
1 Main switch
2 "ENGINE STOP"
switch
3 Thermo switch
4 Ignition coil
5 CDI unit
6 Battery
7 Rectifier/regulator
8 Neutral switch
2
1
3 45 6 7
0
EC612000
WIRING DIAGRAM
W B
Y/R
Y/R
W R
R Y/R
B B Y
7
3
Y
B
R
Y
R B
=
B
B
9 CDI magneto
0 Carburetor heater
A Starter relay
B Fuse
C Start switch
D Spark plug
E Starter motor
F Starting circuit cut-off
relay
9 8
Y/R
R
R
R
B R/W
B
R
A
1
R/W
ON
OFF
B
6
E
R/W Br
F
R/W
Sb
COLOR CODE
B...................... Black
Br .................... Brown
G ..................... Green
O ..................... Orange
R ..................... Red
Sb.................... Sky blue
W..................... White
Y...................... Yellow
W 9
Y/R
Sb W Sb
W
Y B
B Y/R
8
B
Sb
R B/W R
B/W
B Br
Br B
Br
B
B/W
Br
C
OFF
B B
ON
R/W
R/W
R/W
R/W
R/W
R/W Sb
6 - 2
ELEC
B/R...................Black/Red
B/W ..................Black/White
G/W..................Green/White
R/W..................Red/White
W/L ..................White/Blue
W/R..................White/Red
Y/R...................Yellow/Red
C
AB
F E D
G G/W O
5
Br B/R
W W/L B
R W/R
Br G G/W B/R
B O B
O
R W W/L W/R
B/W
B/W
2
RUN
OFF
B
B/W B/W B
B
– +
O
4
B
D