This manual covers the Yamaha 20 MSHU, a 1996 model year outboard motor. Engineered for reliability and performance, this 2-stroke, water-cooled engine delivers 20 horsepower, making it suitable for a variety of boating applications. Its robust construction and efficient design are hallmarks of Yamaha's commitment to quality, ensuring dependable operation for owners. This comprehensive Service Repair Maintenance Manual provides essential information for the upkeep and repair of your Yamaha 20 MSHU. It details maintenance schedules, lubrication requirements, fuel system specifications, and ignition system components, including spark plug details and water pump impeller service. With step-by-step procedures and exploded diagrams, this manual is an indispensable resource for owners and technicians alike, facilitating proper maintenance and troubleshooting to ensure optimal performance and longevity.