This manual covers outboard motors manufactured between 1998 and 2005, encompassing a wide range of models from 2.5 to 250 horsepower. These engines are engineered for reliability and performance, featuring various configurations including inline 2, 3, and 4-cylinder, as well as V6 designs. They utilize either carburetor or fuel injection systems and come equipped with CDI or electronic ignition. Maintenance aspects, such as recommended oil types for both the engine and gearcase, fuel specifications, and spark plug gap, are detailed to ensure optimal operation. The transmission systems are typically Forward-Neutral-Reverse (F-N-R) with gear ratios varying by specific model. The purpose of this comprehensive service repair manual is to provide detailed guidance for the maintenance and repair of your outboard motor. It covers everything from basic tune-ups to major overhauls, offering step-by-step instructions, technical specifications, and troubleshooting advice. Whether you are performing routine maintenance, addressing operational issues, or undertaking significant repairs, this manual serves as an essential resource for owners, technicians, and mechanics. Understanding the procedures and specifications within this guide will help ensure the longevity and efficient performance of your marine propulsion system.