This manual covers the Mariner-Mercury Verado series of outboard engines, available in 135, 150, and 175 horsepower variants. These engines feature a supercharged, inline 6-cylinder configuration with a 3.3-liter displacement and a closed cooling system, engineered for robust performance and reliability. The Verado line is designed to deliver exceptional power and smooth operation for a variety of marine applications, reflecting a commitment to advanced engineering and durable construction. The purpose of this English-language Owners Manual is to provide comprehensive guidance for the operation, maintenance, and care of your Mariner-Mercury Verado engine. It details essential information including recommended fluids, lubrication specifications, fluid capacities, and maintenance schedules, such as the initial 10-hour break-in period. This manual serves as an indispensable resource for owners and technicians to ensure optimal performance, longevity, and safe operation of the engine.