This manual provides comprehensive technical information for the 2001 Dyna models, including the FXDWG Dyna Wide Glide, FXDXT Super Glide T-Sport, FXDL Dyna Low Rider, FXDX Dyna Super Glide Sport, FXD Dyna Super Glide, and FXDP Dyna Defender (Police). These motorcycles are powered by the air-cooled V-twin Evolution engine, typically featuring 88 cubic inches (1450cc) and a 5-speed transmission, with either carbureted or fuel-injected fuel systems. Known for their robust engineering and distinctive styling, the Dyna series offers a classic riding experience, with this manual detailing their maintenance, chassis, engine, fuel, drive, and electrical systems. The scope of this Service & Electrical manual encompasses all aspects of vehicle maintenance, repair, and diagnostics. It offers detailed step-by-step instructions, troubleshooting guides, diagnostic procedures, and clear electrical schematics, supported by numerous diagrams, illustrations, and photos. This resource is designed for DIY mechanics, independent repair shops, and owners seeking to maintain their motorcycles, perform repairs, and understand their vehicle's technical specifications, ultimately saving on dealer labor and ensuring proper upkeep.