An inboard engine is a type of marine engine that is installed inside the hull of a boat. This design helps to keep the engine protected from the elements and reduces the risk of damage from waves or debris. Inboard engines are typically connected to a propeller through a drive shaft, allowing for efficient propulsion and maneuverability. Inboard engines are commonly used in various types of vessels, including yachts, fishing boats, and cruisers. They are known for their durability and power, making them suitable for long-distance travel and heavy loads. Regular maintenance is essential to ensure optimal performance and longevity.