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Author Topic: 12 Volt Coil testing  (Read 3858 times)

Offline A10 JWO

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12 Volt Coil testing
« on: August 20, 2017, 04:15:56 PM »
My bike is in many bits as I am building it out of boxes. I have two matching 12 volt coils which are standard for the A65. Is there any way  I can bench test them before I polish them up ready for a refit on the restoration. Thanks.  :D
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Offline iansoady

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Re: 12 Volt Coil testing
« Reply #1 on: August 22, 2017, 10:04:43 AM »
You could jury-rig something similar to the bike's installation with a set of points + condenser, battery and suitable cabling plus an HT lead and plug.

IIRC primary resistance of a 12 volt coil is around 3-4 ohms, secondary several thousand and obviously no short to the casing on either.
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Ian
1964 Norton Electra
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Offline bikerbob

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Re: 12 Volt Coil testing
« Reply #2 on: August 22, 2017, 12:17:52 PM »
If you go to youtube then type in 12volt coil testing you will find a number of videos showing you how to test your coil.
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Offline A10 JWO

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Re: 12 Volt Coil testing
« Reply #3 on: August 22, 2017, 01:30:34 PM »
Thanks lads. :)
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