Villiers 7A
 Comments on Villiers Early Engines MK 7A MK 7A introduced 1924 prefix mark "S" Bore x stroke = 67 x 70 = 247 Revised exhaust and cylinder |
Comments on Villiers Early Engines MK 7A MK 7A introduced 1924 prefix mark "S" Bore x stroke = 67 x 70 = 247 Revised exhaust and cylinder |