Service Letter No. 254 

Lycoming Model Designation for all Carburetors


April 15, 2013 

To all Owners and Operators of Lycoming Piston Aircraft Engines

Lycoming Engines’ naming convention for carburetor model designations is identified in the following  table. The naming convention is intended to prescribe the general feature set specification of the carburetor  and does not constitute the complete specification of the product.

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