Continental O-240

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 engine
  • Displacement: 240 cubic inches (3.9 litres)
  • Bore x stroke: 4.4375 x 3.875 inches

used by

  • Diamond Aircraft DA20-C1