Vintage 1951 500cc Vincent Comet Motorcycle Start Up
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With the apocryphal tale of Vincent-HRD Series A twins being conceived as a result of two single-cylinder drawings being overlapped, it could be said that the post-war single cylinder engine was brought about by the use of a rubber – removing the rear cylinder of the existing twin-pot design. source/image(PrtSc): classic-motorcycle.com In other respects, the layout was almost identical...
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