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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
H.T. Coils
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<blockquote data-quote="Bill Thomas" data-source="post: 98211" data-attributes="member: 485"><p>A bit in MPH July/2018, Paul Adams, Tells us how to check coils, John or Peter Appleton, Sorry not sure, Helped with a faulty Coil, Paul says check with an Ohms meter</p><p>across the two terminals !.</p><p>I have just checked 5 coils and they all read 100% contact.</p><p>We are looking for 2 ish ohms for C.D ign or 4 to 5 ohms for Points type.</p><p>By going from one contact to the H.T. outlet I can get 10k Ohms, Maybe my meter is a cheapie ?, I think that is what he meant ?.</p><p>I wonder if I can pick, John or Peters brains, Like all "D" owners, I can't find a place to hide the coil, It has been stuck across the left side of the engine, Which I have not liked since 1977 !. I have a 12v Black Plastic coil with 2 H.T. outlets, Which I think I can bolt under the Headstock, Much smaller than the standard one, Can I just leave one H.T. lead off, Or will it Burn out ?. I know you can get small round coils, But I have had trouble with those, Any slight nip in the outer body and they break down.</p><p>Many thanks, Bill.</p></blockquote><p></p>
[QUOTE="Bill Thomas, post: 98211, member: 485"] A bit in MPH July/2018, Paul Adams, Tells us how to check coils, John or Peter Appleton, Sorry not sure, Helped with a faulty Coil, Paul says check with an Ohms meter across the two terminals !. I have just checked 5 coils and they all read 100% contact. We are looking for 2 ish ohms for C.D ign or 4 to 5 ohms for Points type. By going from one contact to the H.T. outlet I can get 10k Ohms, Maybe my meter is a cheapie ?, I think that is what he meant ?. I wonder if I can pick, John or Peters brains, Like all "D" owners, I can't find a place to hide the coil, It has been stuck across the left side of the engine, Which I have not liked since 1977 !. I have a 12v Black Plastic coil with 2 H.T. outlets, Which I think I can bolt under the Headstock, Much smaller than the standard one, Can I just leave one H.T. lead off, Or will it Burn out ?. I know you can get small round coils, But I have had trouble with those, Any slight nip in the outer body and they break down. Many thanks, Bill. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
H.T. Coils
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