A four-cylinder version of the
O-360, the O-240 was developed jointly by Continental and Rolls Royce. The
O-240 was introduced in 1971.
The IO-240 fuel injection variant began production in 1993 and is the
standard Teledyne Continental engine for sport and trainer aircraft.
- IO-240-B3B: 125 hp (93 kW) with direct injection
- 4-cylinder, horizontally-opposed, air-cooled piston
- Displacement: 240 cubic inches (3.9 litres)
- Bore x stroke: 4.4375 x 3.875 inches