Harley-Davidson XL1200C Sportster 1200 Custom Engine and Transmission Technical Data: Engine type - Number of cylinders: V2, four-stroke : Engine details - Fuel system: Injection. Electronic Sequential Port Fuel Injection (ESPFI) Engine size - Displacement - Engine capacity: 1201.25 ccm (73.30 cubic inches) Bore x Stroke: 88.9 x 96.8 mm (3.5 x