![]() ![]() Villiers introduced the entirely new 10D in 1949 and ceased production of the 9D. Normans were sold as Roamer in some countries. More models will also be added as information comes to light. For many years it was far cheaper to buy a second hand Villiers engine than it was to recondition the original, so there is no guarantee that any specific engine is the original for that machine. Villiers Engine Models This page will be exanded upon and links to each engine model information will be added to help aid in your research. Below is a table with the currently known 9D numbers and what make of bike they were found in. Consequently only limited information survives. The changeover happened at a time of great social upheaval as the world slowly returned to peacetime normality. This was a number system based on the contract raised between Villiers and the purchaser thus identical Villiers engines will have different identification numbers depending entirely on to whom Villiers sold the engine. The latter HL identifies a unit made under licence by the Huta Lutwikow works in Poland.įinally, the 9D engine identifying prefix was was brought in to line with the new Villiers identification system introduced in 1946. These can be identified by the prefixes, BBA, BBS and HL. Thus we have the original AA becoming AAA, then AAA****A, the last having an A suffix stamped after the engine number as further improvements were put in production.įurther to this, Villiers made a 98cc version to suit the legislative requirements of some countries. Villiers also considered the 8D improvements to be substantial enough to require additional identifying letters to be added to the original AA of the 8D. All pre-war Villiers engines had an identifying prefix of two or more letters. Over the next few years it was steadily improved and changed enough for it now to be designated the 9D. The first unit construction 122cc Villiers engine appeared in 1936 as the 8D. ![]()
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