The BSA A7-A10 Forum
Technical (Descriptive Topic Titles - Stay on Topic) => Lucas, Ignition, Charging, Electrical => Topic started by: edboy on 30.09. 2021 22:26
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hi,
i have a problem with the magneto end cap shorting out mag. bike starts easy without cover . its a black plastic one held by a clamp and looks perfect. pattern rubbish causing tracking? but i seem to remember this type of cover was problematic with my first a10.
is there an alternative cover that works?
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Suggest you check blade that secures opening point isn't proud enough to touch the copper strip inside the cover, and that the swipe-contact is square onto the head of the cb centre screw.
A K1F type plain clip-on cover will go straight on - no kill facility though - or you can get more complicated and change end housing for a sort that takes an alloy dome, or a screw-on large cover, but that probably isn't a great plan due to work involved and problems of mix 'n match.
Ought to be poss to make the one you've got work OK with any luck.