18. ELECTRICAL SYSTEM
18-2
Precautions in Operation
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 E.C.U. assembly does not require an ignition timing check. In case ignition timing is incorrect, check
E.C.U. 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 < 5 mA
Charging current 1.2 A / 6000 rpm
Control voltage in charging
14.5 ± 0.5 V / 2000 rpm
Ignition system
Description Specification
Model NGK CR7E (Recommended)
Spark plug
Gap 0.8 mm
Ignition coil
resistance
Primary winding
2.8Ω±15%
CPS sensor resistance
110Ω±20%
Ignition timing advance BTDC 13º / 1700 rpm
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