O-240 wuxuu ahaa naqshad cusub oo matoor ah oo laga soo qaatay Continental O-360 oo leh lix silsiladood waxaana la soo bandhigay 1971kii.
Dabcan, nooc ka mid ah weedhan ka adag ayaa ah "O-240 wuxuu ahaa naqshad matoor cusub oo guud ahaan la mid ah cabbirka guud ee Continental O-200, laakiin leh isku-darka isku-darka sare ee 8.5: 1, oo loogu talagalay inuu ku shaqeeyo 100/130 avgas. "