Chassis: RC 11666B Matching Numbers 150 MPH 5" Smiths Speedometer A Wonderfully Preserved And Highly Original Example Accompanied By Copies Of The Factory Build Sheets 998 CC V-Twin Engine Twin Amal 1 1/8" Carburetors 55 BHP At 5,700 RPM 4-Speed Manual Transmission With Shadow Low-Ratio First Gear 2-Wheel Drum Brakes Hydraulic Dampers In Front With Rear Swing Arm