Maintenance Information - Sym RS-50 Service Manual

15. ELECTRICAL EQUIPMENT

Maintenance Information

Precautions in Operation
When remove the battery, the disconnection sequence of cable terminals shall be strictly observed.
(First disconnect the negative cable terminal, next, the positive cable terminal.)
The model of the spark plug and the tightening torque.
The ignition timing.
Adjustment of headlight.
Removal and installation of AC generator.
The maintenance-free battery requires no inspection of electrolyte level and refilling of distilled water.
To recharge the battery, remove the battery from the motorcycle without removing ventilation caps.
Unless in emergency, never rapid charge the battery.
The voltage must be checked with the voltmeter while charging the battery.
As C.D.I assembly does not require an ignition timing check. In case ignition timing is incorrect, check
C.D.I and AC generator. Verify with an ignition timing light after replacement if necessary.
The starter motor can be removed after the engine is removed.
Specification
Charging System
Item
Capacity
Battery
Charging rate
Leak current
Charging current
Control voltage in charging
Ignition System
Spark plug
Ignition coil and resistance
Ignition timing "F" mark
15-2
This chapter Contents
0.4A / 5 hours (standard), 4A / 0.5 hour (fast charging)
Item
Model
Gap
Primary coil
Secondary coil
Specification
12V3Ah
< 1 mA
1.2 A / 5000 rpm
14.0 ~ 15.0 V / 5000 rpm
Specification
NGK BR8HSA (Recommended)
0.6 ~ 0.7 mm
0.19 ~ 0.23 Ω
2.8 ~ 3.4 KΩ
17° BTDC / 1800 rpm