Which model is the engine designated for Cessna 152?

The engine designated for the Cessna 152 is the O-235-L2C. This particular engine model is a four-cylinder, air-cooled, horizontally opposed engine, which is well-suited for the flight characteristics of the Cessna 152.

The O-235-L2C produces 110 horsepower, providing the necessary power-to-weight ratio that supports the Cessna 152's performance in training and recreational flying. Its design emphasizes reliability and ease of operation, making it an ideal choice for a training aircraft that schools and new pilots frequently use.

When considering the other options, the O-320-E2D is a more powerful engine often found in larger aircraft; the IO-360-B1B is a fuel-injected engine also used in more advanced models; while the O-290-D2 was primarily used in earlier aircraft, none of these match the specific requirements and performance characteristics needed for the Cessna 152.