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ml magneto no spark

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ml magneto no spark

Post by jakesdad13 on Thu Sep 03 2015, 15:27

Doe,s any one know how to test a magneto? the mag off my lister B is an ML and its got no spark, I have stripped and cleaned the points and reset them and I have fitted a new HT lead, I have used a test meter on continuity and the points stay live open or closed, and there is no continuity between the points and the HT lead, I hope this makes sense to some one and they can point me in the right direction. Thanks, Pete.

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Re: ml magneto no spark

Post by blue cat on Thu Sep 03 2015, 18:23

Test the resistance between the HT lead and the magneto case. It should be about 4000 ohms. While this is not definitive, it indicates that the HT part of the coil might be OK. Significantly higher or lower figures would suggest a duff coil.

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Re: ml magneto no spark

Post by jakesdad13 on Thu Sep 03 2015, 18:45

Thanks I will give it a go in the morning

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Re: ml magneto no spark

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