מצאתי מקום שנותן מידע על מנועים של ויליארס לפי קוד ומספר מנוע וזה מה שיצא.
JW Villiers Engines
Query on 228B returned 1 Engine Model 9E 197cc Made( 55-67) BorexStroke( 59 X 72) Rotor(R134) Armature(A136) Carb( S25/1) Customer [models if known] Cotton:: Vulcan No specific information about carb and magneto, Villiers standard has been assumed 3 or 4 speed may have been supplied (unsure) Four speed First 2.94 Second 1.80 Third 1.35 Top 1.00 Three speed First 2.55 Second 1.34 Top 1.00Villiers Singles Database based on data from Villiers factory data sheets,the VMCC machine book, Glass's Guide, and emails from Villiers owners
Where multiple records exist - Some models are known to have been supplied to several customers. Conflicting data - Yes, It does happen