Villiers Engines

Post WW2 - Engines identified by tag on inner chaincase
A 31A 32A 33A 34A 35A 36A 37A
C 29C 30C 31C
D 10D 11D 12D 13D
E 6E 7E 8E 9E
F 1F 2F 4F 6F 9F
H 1H 2H
K 3K
L 2L 3L
T 2T 3T 4T
Pre WW2 - Engines identified by letter stamping on crankcase
1 2 3 4 5
A 6A 7A 8A 9A 10A 14A 17A
B 6B 7B 8B 9B 10B 14B 17B
C 6C 7C 8C 12C 15C
D 9D
E 1E 2E 3E 5E
Sport Sport SuperSports   TT   Brooklands
Junior Junior JDL
Midget Midget

Can be a photo, drawing, sketch or just barrel outline
Intended as a aid to recognition for a unit unknown to you
Items here taken from Villiers material