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Austinsevenfriends
RP Dynamo/cut out - Printable Version

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RE: RP Dynamo/cut out - Dave Mann - 19-07-2020

Nobody know what the inverted Y in a circle stamped onto some dynamos means?

RE: RP Dynamo/cut out - John Cornforth - 20-07-2020

Hi Dave

I have a DK4 distributor bought at Beaulieu many years ago.  It had no pinion fitted, and no pin hole drilled for one, so I  believe it was a new old stock Lucas "Service Replacement".  It carries the usual aluminium data plate, with silver characters on a black background.  On this plate is a silver Y (right way up) inside a silver circle about 3/16 inch in diameter.

So my guess is that the circled Y designates a service replacement, as distinct from something supplied direct to a vehicle manufacturer.

Unless anyone knows different ?