Piaggio-Typhoon-50-EN _Service Manual
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Electrical system <strong>Typhoon</strong> <strong>50</strong><br />
Stator check<br />
- Using a tester, check the resistance between the<br />
stator wiring.<br />
N.B.<br />
VALUES ARE STATED AT AMBI<strong>EN</strong>T TEMPERATURE. A<br />
CHECK WITH THE STATOR AT OPERATING TEMPERA-<br />
TURE LEADS TO VALUES HIGHER THAN THOSE STATED.<br />
Electric characteristic<br />
Stator : Grey ÷ Ground<br />
~ 1 ohm<br />
Stator : White ÷ Ground<br />
~ 1 ohm<br />
Stator : Green - Ground<br />
~ 1Kohm<br />
Stator : Blue ÷ Yellow<br />
~ 1 ohm<br />
Pick-Up: Red - ground<br />
~ 170 Ω (Pick-Up)<br />
Voltage regulator check<br />
The malfunctioning of the voltage regulator might cause the following problems depending on the type<br />
of fault:<br />
1. The lighting system bulbs burn out.<br />
2. The lighting system bulbs stop working.<br />
3. The battery overcharges (the main fuse blows).<br />
4. Non-recharging of the battery.<br />
5. Non functioning of the turn indicators.<br />
Measures<br />
FAULT 1<br />
Replace the regulator because it is certainly inefficient.<br />
FAULT 2<br />
Check the efficiency of the bulbs.<br />
With the vehicle in gear, check the battery voltage<br />
on the yellow-black cable of the light switch. If<br />
there is no voltage check the presence of voltage<br />
between the yellow-black cable on the regulator<br />
and ground. If there is voltage here, the fault needs<br />
ELE SYS - 48
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