 Immediately after the war Villiers picked up where they had left off, with supply of the 269 cc engine, now as the Mark II engine with different method of attaching the exhaust.By 1919 the bikes that used the Villiers engines included the Excelsior lightweight, the Diamond (D.F.& M. Engineering Co), the Royal Ruby, the Wolf Lightweight (Wulfruna Engineering), the Carfield, the Ruffells, the P.V.