This workshop repair manual covers the Suzuki DF 90, DF 100, DF 115, and DF 140 outboard motors manufactured between 2000 and 2009. These 4-stroke gasoline-powered marine propulsion units are engineered for reliability and performance. This manual provides comprehensive information to ensure optimal operation and longevity of your Suzuki outboard motor. This manual is designed to assist owners, technicians, and mechanics in maintaining and repairing their Suzuki outboard motors. It details general information, periodic maintenance schedules, and specific procedures for engine control systems, electrical components, fuel systems, power units, trim and tilt systems, and lower units. The content includes troubleshooting, disassembly, inspection, rebuilding, and assembly instructions, ensuring a thorough understanding of the device's configuration and operation.