Lycoming IO-390

The Lycoming IO-390 engine is a horizontally opposed, four-cylinder aircraft engine, manufactured by Lycoming Engines.

There is no carburetted version of the engine, which would have been designated O-390 and therefore the base model is the IO-390.

Read more about Lycoming IO-390:  Design and Development, Variants, Applications, Specifications (IO-390-X), See Also

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Lycoming IO-390 - See Also
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