Precautions In Operation; Battery; Charging System; Ignition System - Sym Joyride 125 Service Manual

18. Electrical System

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 headlamp.
●
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 rack 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 ECU does not require an ignition timing check. In case ignition timing is incorrect, check AC
●
generator. Verify with an ignition timing lamp after replacement if necessary.
Starter motor should be removed after the engine being removed from the frame.
●
Specification

Charging system

Item

Battery

Leaking current
Charging current
Charging control val.

Ignition system

Item
Spark plug
Resistance
CPS sensor resistance
Ignition time
18-2
To this chapter contents
Capacity 12V 8Ah
Charging rate 0.9A / 5~10hr (standard)
Below 5 mA
1.2A / 1600 rpm
14.5+0.5 V / 2000 rpm
Type NGK CR7E recommended)
Gap 0.8 mm
0.63±0.03Ω(27C)
First winding
120±10%Ω
10° BTDC / 1000 rpm
13° BTDC / 1600 rpm
24° BTDC / 6000 rpm
Specification
4A / 1hr (rapid)
Specification