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Author Topic: Mag chain cover date  (Read 3018 times)

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Lawrence Moloney

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Re: Mag chain cover date
« Reply #2 on: August 09, 2013, 07:03:05 AM »
Hello Paul, In regards to the shape of magneto drive case for 1919, have a look at page 60 of BCCs The Sunbeam Motorcycle, where he lists the change in profile as one of the design features to be found on 1920 models but finalised in late 1919. Hope this is of use. Question still remains as to if any of the new design were marketed in 1919.

LM

phutton

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Mag chain cover date
« Reply #1 on: July 04, 2013, 04:27:24 PM »
An overseas member has asked me to date a 3 1/2 HP. The numbers indicate 1919, but I would like to be more certain. Can anyone tell me when the magneto chain cover changed from parallel sided to te familiar tapered shape? 1916 was parallel, 1920 was tapered, but what was 1919?

P.