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Motorcycle Discussions => British Bikes => Topic started by: ifras on March 20, 2012, 07:53:41 PM

Title: Change the voltage on a triumph 21
Post by: ifras on March 20, 2012, 07:53:41 PM

Hi,can anyone give me some advice on how to change from 6volt to a 12volt system on a 1959 triumph 21 3ta.  Regards Ian.

Title: Re: Change the voltage on a triumph 21
Post by: Rex on March 21, 2012, 08:27:25 AM

It's a simple job of reconnecting the alt output wires, rewiring the switch(es), fitting a 12V battery and coils plus fitting a zener or electronic regulator.

Google for a fuller step-by-step guide.