If non-conforming values are measured, replace
the control unit.
N.B.
THE PLASTIC CAP OF THE POSITIVE TERMINAL ON THE
HV COIL PRIMARY IS BLACK AND THE NEGATIVE TER-
MINAL ONE IS GREEN.
Electric characteristic
High voltage coil voltage value
High voltage coil voltage value: > 100 Volt
Stator check
Disconnect the connector from the voltage regu-
lator and check there is continuity between any
yellow cable and the other two cables.
Electric characteristic
Ohm value:
0.7 ÷ 0.9 Ohm
Also check that all yellow cables are insulated from
the ground connection.
If non-conforming values are detected, repeat the
checks directly to the stator. In case of further rep-
etitions of incorrect values replace the stator or
repair the wiring.
Voltage regulator check
With a perfectly charged battery and lights off,
measure voltage at the battery poles with a high
running engine.
The voltage should not exceed 15.2 Volt.
In case higher voltages are detected, replace the
regulator.
In case of voltage values lower than 14 Volt, check
the stator and the corresponding cable harness.
B 125-250 Electrical system
ELE SYS - 91
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