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Dizzy Caps - Corrosion - Simple cause ?
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Author:  Maxi23 [ Fri Oct 09, 2009 8:25 am ]
Post subject:  Dizzy Caps - Corrosion - Simple cause ?

So I had a slight miss, and hesitation on acceleration. I figured it was spark related, as I couldnt find anything else that wasn't working correctly.

I took off the dizzy cap after inspecting all the plugs, and found that the metal that the rotor button makes contact with had white corrosion all over it. Gave it a quick scrape and most of it came off, engine miss dissapeared.

What would cause this corrosion ? Is it purely a dodgy seal letting in moisture ? or can dodgy electrics wreak havoc with the dizzy cap ?

Author:  drmini in aust [ Fri Oct 09, 2009 8:35 am ]
Post subject: 

Those contacts are aluminium on most Lucas dizzies, it corrodes if moisture present. And it often is.
Get a new cap if eroded bad. :wink:

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