This manual covers the Suzuki DT100 outboard motor, manufactured between 1989 and 1996. The DT100 is a 2-stroke, water-cooled engine with a displacement of 99.6 cc, producing approximately 10 horsepower. It features a carburetor and may include electronic fuel injection on later models, with various ignition system options such as breaker points, CDI, and electronic ignition. The transmission offers Forward, Neutral, and Reverse gears. This engine is designed for reliable performance and durability, suitable for a range of boating applications. This comprehensive workshop service repair manual provides detailed information for maintaining and repairing your Suzuki DT100. It includes procedures for engine mechanical work, powerhead reconditioning, lower unit overhaul, and understanding electrical systems, complete with wiring diagrams. Maintenance coverage extends to tune-up procedures, winter storage, and spring commissioning checklists. Troubleshooting guidance, information on trim and tilt systems, and control systems are also included. This manual is an essential resource for owners, mechanics, and technicians seeking to ensure the optimal performance and longevity of their Suzuki DT100 outboard motor.