17. ELECTRICAL SYSTEM
17-2
Maintenance Data
Operational precaution
y 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.)
y The model of the spark plug and the tightening torque.
y The ignition timing.
y Adjustment of headlight.
y Removal and installation of AC generator.
y The maintenance free battery requires no inspection of electrolyte level and refilling of distilled water.
y To recharge the battery, remove the battery from rack without removing ventilation caps.
y Unless in emergency, never rapid charge the battery.
y The voltage must be checked with the voltmeter while charging the battery.
y 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.
Technical Specification
Charging system
Description Specification
Capacity 12V8Ah
Battery
Charging rate
0.9A / 5 hours (standard)
4A / 1 hour (fast charging)
Leak current < 1 mA
Charging current 1.2 A / 2000 rpm
Control voltage in charging 14.5 + 0.5 V / 2000 rpm
Ignition system
Description Specification
Model NGK CR8E (Recommended)
Spark plug
Gap 0.6 - 0.7 mm
Primary winding
0.17 ± 10% Ω
Without cap: 3.1 ± 10 KΩ
Ignition coil and
resistance
Secondary winding
With cap:8.1 ± 10 KΩ
13° TDC / 1000 rpm
Ignition timing “F” mark
27°TDC / 6000 rpm
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