The outdrive unit of a boat with sterndrive. A sterndrive or inboard/outboard drive (I/O) is a form of marine propulsion which combines inboard power with outboard drive. The engine sits just forward of the transom while the drive unit (outdrive or drive leg) lies outside the hull.

Feb 10, 2022 · In each of our test situations, the sterndrive-powered H4 delivered better fuel economy than the outboard model. The sterndrive achieved its best cruising economy of 4.5 mpg at 3,000 rpm, 9.9 percent more efficient than the outboard, but 6.2 mph slower.

MerCruiser sterndrive and inboard engines bring your biggest adventures within reach, with quiet, powerful, efficient performance and SmartCraft® digital technologies that make your favorite on-water activities even easier. Our sterndrive and Diesel drives convert horsepower into fun.

MerCruiser sterndrive and inboard engines bring your biggest adventures within reach, with quiet, powerful, efficient performance and SmartCraft® digital technologies that make your favorite on-water activities even easier.

Jan 21, 2025 · Sterndrive benefits include having the lower unit trim adjustable like an outboard motor. It has an inboard engine that’s bigger and more powerful and performs better than an outboard. Furthermore, it provides greater room for seats and a larger rear platform because the engine is near the stern.

A sterndrive is a type of marine engine that combines features of both inboard and outboard engines. It's mounted inside the boat, usually near the stern, with a drive unit extending through the transom.

Feb 15, 2024 · What is a sterndrive? How does it work? What are the benefits of a sterndrive, and how do you choose the right one? Find all the answers in this sterndrive buying guide.

Sterndrive Lower Units - Our sterndrive and Diesel drives convert horsepower into fun. They deliver reliable, easy-to-maintain performance for an array of boating styles.

Mar 8, 2021 · Sterndrives, also known as an inboard/outboard (I/O) drives or occasionally just outdrives, are a type of marine propulsion systems that merge inboard power with outboard functionality. The engine is usually positioned just ahead of the transom, while the drive unit (often called the outdrive or drive leg) is located outside the hull.

Keeping your sterndrive in tip-top shape will add years to its life — and help to keep your boat afloat. Giving your sterndrive some attention now can prevent major problems later. (Photo: Volvo Penta) Sterndrives were first commercially introduced in the early 1960s, and came to dominate the boat propulsion market in short order.