Yanmar 6LY2A-STP Inboard Diesel Engine

The Yanmar 6LY2A-STP Inboard Diesel Engine is a proven high-performance marine powerplant engineered to deliver strong torque, fuel efficiency, and long-lasting durability for sport fishing boats, cruisers, and light commercial vessels. Designed for planing and semi-planing hulls, this engine combines robust mechanical construction with reliable turbocharged performance.

Powered by a 6-cylinder, 4-stroke diesel configuration, the 6LY2A-STP produces up to 440 horsepower (approx.), offering rapid acceleration and excellent mid-range power for demanding marine applications. Its turbocharged and aftercooled system enhances air intake efficiency, delivering improved combustion performance and consistent power output across varying load conditions.

The engine features a durable cast-iron cylinder block and high-strength internal components built to withstand extended operation under heavy loads. A closed freshwater cooling system with heat exchanger ensures optimal operating temperatures while protecting against corrosion in saltwater environments.

Engineered for dependable marine use, the Yanmar 6LY2A-STP offers smooth throttle response, efficient fuel consumption, and simplified maintenance access. Its compact inline-six design allows flexible installation in a wide range of vessels without compromising serviceability.

The Yanmar 6LY2A-STP Inboard Diesel Engine is an ideal choice for boat owners and marine professionals seeking a powerful, reliable, and efficient diesel engine capable of delivering consistent performance and long service life on the water.