Derived from the 235 series engines, the YO-233 is a lightweight engine designed for light-sport aircraft. The 233 combines the rugged reliability of Lycoming’s 235 family with a lightweight package capable of running on low octane unleaded automotive fuels as well as aviation gasoline. Additional engine features include dual CDI spark ignition, an optimized oil sump, a streamlined accessory housing, self-adjusting hydraulic valve lifters, a lightweight starter, and a lightweight alternator with integral voltage regulator. The 233’s dry weight of 213 pounds includes the fuel pump. The engine is rated for continuous power up to 115 Hp at 2800 rpm. TBO is 2200 hours. Call for current pricing 903-885-7000.
Download the Lycoming 233 Series Engines Flyer