What are the two main types of boat propulsion systems?

The two main types of boat propulsion systems are outboard motors and inboard motors. Outboard motors are mounted outside the boat, usually at the stern, and they provide the flexibility of being easily removed and replaced, making them popular for smaller boats and recreational use. Inboard motors, on the other hand, are installed inside the hull of the boat and are typically more powerful, providing better performance for larger vessels.

Understanding these main types of propulsion systems is crucial for boaters because each system has different implications for maintenance, operation, and overall boating experience. While other propulsion options like jet propulsion or electric motors may exist, they generally fall under more specialized categories or are advancements of the primary types and do not represent the foundational systems typically found in most boats. This distinction is key for both practical usage and theoretical knowledge in boating.