Royal Enfield Interceptor Royal Enfield Interceptor MK1 YA 15133 April 18, 2018 Andrew 0 Comment Royal Enfield Mark 1 YA 15133 in Mittagong, NSW,Australia Engine Number YA 15133 Frame Number 11684 Gearbox Number AGG 990 Bike Details Imported from the US and stored for 20+ years. Top end of motor in parts. Located in Mittagong, NSW,Australia