This manual covers the Yamaha F2.5 MLHB, a four-stroke outboard motor manufactured in 2003. This compact and reliable engine, featuring a 72 cc displacement and producing 2.5 HP, is designed for a variety of small watercraft applications. Its water-cooled system and single-cylinder configuration contribute to its efficient operation. The F2.5 MLHB is equipped with a Mikuni carburetor, a tiller handle with a twist grip throttle for intuitive control, and a forward, neutral, and reverse gear system for versatile maneuverability. This comprehensive Service Repair Maintenance Manual provides essential information for the upkeep and repair of your Yamaha F2.5 MLHB. It details step-by-step procedures, supported by exploded diagrams, to guide owners and technicians through maintenance tasks, troubleshooting common issues, and understanding technical specifications. Key areas covered include recommended oil types and capacities, spark plug information, and propeller shaft details, ensuring the longevity and optimal performance of your outboard motor.