M.12 Part. N. 8000 B0148 (02-2008)
ELECTRIC SYSTEM, DIGITAL INSTRUMENT
CHARGING SYSTEM CHECKS
Battery current leakage
To gain access to the battery (1), remove the saddle (see page E.15) and release
elastic (2).
Remove the BLACK negative cable from the battery.
Measure the current between the NEGATIVE terminal of the battery and the
NEGATIVE cable using a tester. If the reading exceed 1 mA, there is a current
leakage.
If the vehicle remains unused for long periods (for more than one month and
a half ), it is recommended to remove battery from electrical system and store it
in a dry place.
Regulated voltage
To gain access to the battery, remove the saddle (see page E.15) and release
elastic (2).
When the engine is warm and working at slightly more than 3000 rpm, measure
the tension between the two battery terminals positive and negative with a tester
(in order to make this check the battery must be charged). If the value is not
between 12.5V-14.5V, check the generator and tension - rectifying regulator
(page M.15).
Generator stator coil resistance check
Remove the stator coil-main wiring harness connector then measure the resistance
using a tester.
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