Classic Bike Registers Royal Enfield Interceptor Royal Enfield Interceptor MK1 Uncategorized YB-15981 December 3, 2015December 3, 2015 Admin 0 Comment Royal Enfield Mark 1 YB-15981 in Calgary Alberta,Canada Engine Number YB-15981 Frame Number 62825 Gearbox Number Bike Details Nearing completion by Spring 08 Located in Calgary Alberta,Canada