This manual covers the Suzuki DF150 and DF175 Outboard Motors, produced from 2006 through 2010. These 4-stroke outboard motors are engineered for reliable marine propulsion, offering 150 HP and 175 HP options to suit various boating needs. Their robust design and advanced engineering ensure dependable performance on the water, making them a premier choice for recreational and professional marine applications. The purpose of this service and repair manual is to provide comprehensive guidance for maintaining and repairing the specified Suzuki outboard motors. It details general information, periodic maintenance schedules, and in-depth procedures for critical systems including the engine control system, engine electrical components, fuel system, power unit, mid unit, power trim and tilt, lower unit, and wire/hose routing. This resource is designed to assist owners, mechanics, and technicians in ensuring the optimal performance and longevity of their Suzuki DF150/DF175 outboard motors.