This manual covers the Suzuki DF 90, DF 100, DF 115, and DF 140 outboard motors manufactured in the year 2000. These 4-stroke outboard motors are engineered for reliable marine propulsion and vehicle maintenance. Their robust design ensures dependable performance, making them a preferred choice for various marine applications. This service and repair manual provides comprehensive information to understand and maintain these high-quality engines. The purpose of this manual is to assist owners, mechanics, and technicians in fixing problems and maintaining the good functioning of your Suzuki outboard motor. It details essential maintenance procedures, including periodic maintenance, engine control systems, electrical components, fuel systems, power units, mid-units, power trim and tilt systems, lower units, and wire/hose routing. By following the guidelines within this manual, preventative maintenance can be effectively performed, helping to prevent future issues and ensure the longevity of your marine propulsion system.