This manual covers the Mercury Mariner EFI Outboard models manufactured between 1992 and 2000. These 2-stroke outboard engines are known for their robust engineering and reliable performance, offering power options ranging from 150 HP in 2.0L displacement to 200 HP in 2.5L displacement. Featuring Electronic Fuel Injection (EFI) and a Capacitor Discharge Ignition (CDI) system, these engines are designed for efficient operation and durability in demanding marine environments. The purpose of this comprehensive Factory Service Repair Manual is to provide detailed guidance for the maintenance, repair, and troubleshooting of your Mercury Mariner EFI Outboard. It includes essential technical specifications, step-by-step procedures for servicing various components, lubrication recommendations, and safety guidelines. This manual is an indispensable resource for owners, mechanics, and technicians to ensure the optimal performance and longevity of their Mercury Mariner outboard engine.