The Lycoming O-235 is a family of four cylinder, air-cooled, horizontally-opposed piston aircraft engines that produce between 100 and 135 hp (75 to 100 kW). The engines are all carburetor-equipped, feature dual magneto ignition and have a displacement of 233 cubic inches (3.82 L).
Well known designs that use versions of the O-235 included the Cessna 152, Grumman American AA-1 series, Beechcraft Model 77 Skipper, Piper PA-38 Tomahawk and the Piper PA-22-108 Colt.
- Textron Lycoming - Manufacturer's home page
- Lycoming engines - an extensive list of every version of Lycoming's general aviation engines, including specifications