Machine Dating Services
For any queries related to UK DVLA registrations, engine numbers, frame numbers, buying a Vincent motorcycle or just asking if a previously owned Vincent still exists, the only Club Officials who have access to all the Factory (Works) Records including dispatch records and worldwide ownership details gathered by the Vincent H.R.D. Owners Club since 1948 are the Machine Registrar and Machine Researcher. In some cases there may be a fee.Never rely on Certificates of Authenticity or Dating Certificates issued years ago, nor information provided by sellers. You should always satisfy yourself that you know what you're buying before you bid/buy. Always do your own due diligence.
The following photographs show where to find the various numbers from your machine.
the engine number is stamped on the crankcase just below the VINCENT
the crankcase mating number is between the cylinder, on both halfs
of the crankcase
the frame number is on the steering head. The number in this position
is the number used by the DVLA[UK] for all official records (MOT and
the frame number is also on the rear frame member, on the left hand side