Repair manual KTM 250-610 Racing Art.-Nr. 3.206.023-E
7-4E
Checking the voltage regulator-rectifier
A defect voltage regulator can cause different kinds of trouble:
– No voltage in the circuit
In this case, the voltage regulator must be disconnected at idle
speed. The voltage regulator is defect if the power consumers now
work properly.
If the power consumers are still not supplied with power, the switch,
the wiring harness or the ignition system must be checked for
defects.
– Excessive voltage in the circuit
The bulbs burn out. In this case the voltage regulator must be
replaced.
Checking the charging voltage
NOTE: The values stated below only apply to fully charged batteries
(minimum charging level 90%).
– Start the engine and switch on the low beam.
– Connect a voltmeter to both battery connections.
– Accelerate the engine to a speed of 5000 rpm and read the voltage.
Nominal value: 14.0 - 15.0 V
In the case of a significant deviation from the nominal value:
– Check the connector between the stator and the voltage regulator-
rectifier and the connector between the voltage regulator-rectifier
and the cable tree.
– Check the stator.
– Replace the voltage regulator-rectifier.
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