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Publications

Lycoming furnishes service, repair and maintenance information in the form of Overhaul Manuals, Operator's Manuals, Illustrated Parts Catalogs, and various System, Accessory, and Instruction documents. Lycoming Service Letter L114 (PDF), "Reciprocating Aircraft Engine and Accessories Maintenance Publications" , which lists specific available Lycoming support publications with prices and ordering information, is revised and updated on a regular basis.

In addition to the standard support publications, Lycoming provides special service information, as required, in the form of Service Bulletins, Service Letters, and Service Instructions. Lycoming SSP-206 "Service Bulletins, Letters, and Instructions Index" lists these special publications, both alphabetical and by engine model application.

Lycoming support publications and subscription/revision services are available from Lycoming Distributors or direct from the factory in hard copy, microfiche or CD format.

Service Bulletins

Service Bulletins describe procedures that must be observed for safety reasons. They are readily identifiable by the Mandatory Service Bulletin heading printed in red.

Latest Service Bulletins:

SB No. 564A
Inspection of Suction Screen Length

View Additional Service Bulletins

Service Letters

Service Letters are issued to explain service policies and to introduce new or revised products and processes approved for Lycoming engines.

Latest Service Letter:

Service Letter No. SL-114AQ
Reciprocating Engine and Accessory Maintenance Publications

View Additional Service Letters

Service Instructions

Service Instructions describe modifications, processes and other information pertinent to the maintenance, repair, and overhaul of Lycoming engines.

Latest Service Instruction:

SI No. 1520
Reprint of Precision Information Letter No. SIL RS-88

View Additional Service Instructions

Maintenance Libraries

Lycoming offers sets of publications, with available subscription and revision service in both hard copy and electronic form. The complete Maintenance Libraries include Overhaul Manuals, Operator's Manuals, Illustrated Parts Catalogs, Bulletin/Letter/Instruction sets, and various additional and special publications. Individual components are available separately.

For a listing of complete or specific publication sets, and ordering procedures, see Lycoming Service Letter L114, "Reciprocating Engine and Accessories Maintenance Publications" .

Publications on CD

Lycoming engine owners, operators, A&P mechanics, maintenance technicians, FBO's, pilots and instructors can purchase Lycoming maintenance publications in a convenient, easy-to-use, navigable CD-ROM.

Read More about Maintenance Libraries

 

Publications Order Forms

Publications are sold either through Distributors or directly from the factory.

Domestic Publications (PDF)

Export Publications (PDF)

Additional Support Resources

Key Reprints

Engine Troubleshooting Guide

Maintenance Publications

Tips & Advice

Pricing & Availability

Lycoming only sells product, (engines and spare parts), through our network of Authorized Distributors.

Find a Distributor Near You

Pricing Reference Documents

Aftermarket Engine Price List (PDF)

Aftermarket Parts Price List (PDF)

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Lycoming Engines is a division of AVCO Corporation, a wholly owned subsidiary of Textron Inc.