This Factory Service Repair Manual provides comprehensive information for Suzuki DF90, DF100, DF115, and DF140 outboard motors manufactured between 2000 and 2009. These 4-stroke engines, ranging from 90 to 140 horsepower, are engineered for reliable performance in marine applications. This manual is designed to be an authoritative resource for maintaining and repairing these specific outboard motor models. The scope of this English-language manual covers all essential aspects of service and repair. It includes detailed sections on general information, periodic maintenance, engine control systems, electrical components, fuel systems, power units, mid units, power trim and tilt, lower units, and wire/hose routing. With detailed illustrations and step-by-step instructions, this manual serves as an indispensable tool for owners, mechanics, and technicians to ensure the optimal performance and longevity of their Suzuki outboard motors.