Sym Joyride 125 Service Manual page 243

18. Electrical System
Charging System
Charging system circuit
Fuse 20A
Fuse 15A
R R
Battery
Regulator rectifier inspection
+
Yellow 1
-
Yellow 1
Yellow 2
Yellow 3
Red
Black 5~30
Green 2~20
Charging circuit inspection
Item Check points
Main switch
R─B
connection
Battery
R─G
connection
Y─Y
Charging coil
If the readings measured are abnormal, check
parts in the circuit.
If the parts are normal, then trouble is in the
wiring.
If there is nothing wrong with parts and wiring,
replace the regulator rectifier.
18-6
To this chapter contents
Main switch
R
Yellow 2
∞
∞
∞ ∞
∞ ∞
5~30
2~20
Standard value
Battery voltage
(ON)
Battery voltage
0.2~1.0 Ω
Regulator
R
rectifier
B
G
Yellow 3 Red
∞ ∞
∞ ∞
∞
∞
5~30
∞
2~20
∞
Regulator rectifier
AC Generator
Y
Y
Y
R Red
B Black
G Green
Y Yellow
(KΩ)
Black Green
∞ ∞
∞ ∞
∞ ∞
∞ ∞
1~35
1~35
Wire coupler