The Harley-Davidson XL Sportster family of motorcycles has always thrived on street-bred performance and with new standard Electronic Sequential Port Fuel Injection (ESPFI), new handlebar wiring and ...
Digital Fuel Injection (DFI), a division of Accel, has a line of EFI kits for Harley-Davidson motorcycles. The Thunder Twin kits cover the '84 to '91 EVO "big twin" engines. The kits include the ...