Generic Race 50, Service Manual

Page: 35 / 209

34
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Trouble diagnosis program for undercharge of battery
Battery is
undercharged
Check if brake lamp
keeps illuminating
Adjust or replace brake
lamp switch
Leakage current is less than
specified value
Leakage current is greater than
specified value (generally, it is
required that leakage current is not
greater than 1mA).
Check charge coil of magneto for
short circuit
Circuit between rectifier,
rectification regulator or battery
and ignition switch shorted
Replace charge
coil
1. Check if electrolyte inside battery is
insufficient
2. Check if density of electrolyte in battery
is too low
3. Check for sulphated or shorted pole
plate in battery
Set ignition switch to “OFF” position, remove negative cable from battery,
connect negative meter pen of an ammeter to negative terminal of battery and
positive meter pen to negative cable, and then detect and measure leakage
current.