This manual covers the Suzuki Marine DT20, DT25, and DT28 outboard motors manufactured between 1977 and 1979. These 2-stroke gasoline-powered outboard motors, designed for marine propulsion, offer reliable performance with horsepower ratings of 20, 25, and 28. Suzuki Marine is recognized for its commitment to engineering quality and dependable marine solutions, ensuring these models provide efficient and durable service for a variety of boating applications. The purpose of this English language Parts Manual is to provide comprehensive information for the identification and procurement of components for your Suzuki Marine outboard motor. It details various parts and their assemblies, crucial for maintenance, repair, and servicing. By referencing the detailed diagrams and part numbers within this manual, owners and technicians can ensure the correct parts are used, facilitating efficient upkeep and maximizing the operational lifespan of the DT20, DT25, and DT28 models.