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Why do lights blow when RPM increase on 49cc scooter?

Updated: 8/16/2019
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15y ago

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When engine's rpm increase, the elctric generator of the scooter or motorcycle and any other vehicle will rotate also at high speed. It will produce more electricity the more you idle your engine. Some motorcycle's and scooter's voltage regulator is not accuratetely suppress the excess electricity coming from the electric generator (it is maybe due to price competition between vehicle manufacturers). Over-voltage will burn-out your lights and it shorten the life of your battery. So I suggest to modify your voltage regulator but only well known electronics technician or engineer know how to choose the suitable regulator and how to install it.

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15y ago
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Q: Why do lights blow when RPM increase on 49cc scooter?
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