Sym RS-50 Service Manual page 141

15. ELECTRICAL EQUIPMENT
Regulator rectifier Inspection
Remove the rear carrier.
Remove the luggage box and body cover.
Disconnect the 6P coupler of the regulator.
Measurement
Item
point
Main switch
R~B
connection wire
Battery
R~G
connection wire
Check the parts onto the abnormal wire circuit if
the measured values are not within standards.
If the part is OK, then it is the wire circuit
abnormal.
Replace the regulator if both checks are OK.
Inspection on the Charging Coil
Caution
The test can be carried out without removing
the charging coil from the engine.
At the alternator side from the regulator coupler,
measure the resistor between pink and yellow
wires.
Standard value: 0.16~0.8Ω
15-8
This chapter Contents
Standard Value
Battery voltage (ON)
Battery voltage
Regulator rectifier
Regulator
rectifier coupler
Regulator rectifier
AC generator
harness coupler