The EN450, also known as the EN450 "A", represents the First Generation of this model, produced from 1985 to 2004. Designed as a mid-size cruiser, it draws styling inspiration from American V-twin cruisers but features a parallel-twin engine for a more compact and cost-effective package. With a 454 cc liquid-cooled, DOHC parallel-twin engine, this motorcycle offers a comfortable and accessible riding experience, making it a popular choice for riders seeking stylish aesthetics and relaxed cruising. Its engineering quality and reliability have made it a dependable option in its segment, often praised for its comfortable ride and custom cruiser appeal. This workshop service manual provides comprehensive guidance for the EN450. It covers essential maintenance procedures, including oil changes, valve clearance checks, and spark plug replacement, along with detailed troubleshooting guides for common issues such as carburetor performance and charging system potential. The manual delves into the engine, fuel, ignition, lubrication, cooling, transmission, drivetrain, chassis, suspension, brakes, and electrical systems, offering step-by-step instructions for disassembly, reassembly, inspection, adjustment, and repair. With high-resolution diagrams and technical specifications, this manual serves as an indispensable resource for owners, mechanics, and technicians aiming to maintain and repair the EN450 effectively.