£1,100
A Sunbeam engine built to Model 90 specification, c.1928, believed rebuilt, number N 1014 A.
It has been drawn to the auctioneer’s attention that the oil feed entry points are inconsistent with those of a Model 9/90, featuring for instance the earlier quill entry in the front of the crankcases. The “A” suffix of the engine number stamping, N1014A, was not used by Sunbeam in the marking of their engines. We note that engine N1014 is extant and has always been in a well known 1927 Model 90. The twin port Model 90 cylinder head is from a 1928 machine, where the inlet stub was angled so that the carburettor would clear the new wedge shaped oil tank. Case castings were the same for 1927/28 years. We conclude that the engine has been built up to Model 90 specification and may have used Model 9 and Model 90 parts.
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