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LYCOMING ENGINES
652 Oliver Street
Williamsport, PA 17701
1-800-258-3279

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event

EAA AirVenture 2025

Visit Lycoming Engines at Booth 277-282 (outside Building A) at EAA AirVenture July 21-July 27, 2025 in Oshkosh, WI! Lycoming Engines is thrilled to return to Oshkosh for EAA AirVenture 2025! We can’t wait to see our customers in-person at The World's Greatest Aviation Celebration! This year we are excited again for the opportunity to sponsor the Fly-In Theater, where throughout the week shows...
knowledge base

Service Bulletin No. 240AA

Service Bulletin No. 240AA (Supersedes Service Bulletin No. 240W) June, 2025 MODELS AFFECTED: All Lycoming reciprocating aircraft engines TIME OF COMPLIANCE: As specified
knowledge base

Service Bulletin No. 663

Service Bulletin No. 663 July, 2025 MODELS AFFECTED: GO-435 Series GO, GSO, IGO, IGSO-480 Series (Except GO-480-B1A6 with the following Engine S/N’s: L-567-28, L-569-28, L-573-28, L-574-28, L-575-28, L-576-28) VO, IGO, IGSO-540 Series TIO, TIGO-541 Series TIME OF COMPLIANCE: Before further flight
knowledge base

Service Instruction No. 1594

Service Instruction No. 1594 DATE: July, 2025 MODELS AFFECTED: Lycoming O-235 Engine Models listed in Table 1 TIME OF COMPLIANCE: During every scheduled maintenance event

STD-1216

Submitted by root on Tue, 10/04/2022 - 12:06
INSERT-.375-16 UNC X .562 LONG
Revision
-B
knowledge base

Service Bulletin No. 342 H

Service Bulletin No. 342 H Date: July, 2025 SUBJECT: Fuel Line (Stainless Steel Tube Assy.) and Support Clamp Inspection and Installation. MODELS AFFECTED: All fuel injected Lycoming engines indicated in fuel line and clamping diagrams. TIME OF COMPLIANCE: Examine fuel lines every 100 hours, annual inspection, overhaul and any time fuel lines or clamps are serviced, removed, or replaced.
knowledge base

Service Instruction No. 1037AA

Service Instruction No. 1037AA Date: July, 2025 SUBJECT: Approved Pistons, Rings, Cylinders, and Gasket Set Application for Use on Lycoming Aircraft Engines MODELS AFFECTED: All Lycoming opposed series aircraft engines in Table 1. TIME OF COMPLIANCE: When installing new rings, pistons, valves and cylinders.
knowledge base

Special Service Publication No. 110-3

Special Service Publication No. 110-3 SSP-110-3 Date: July, 2025 CERTIFICATED AIRCRAFT ENGINES
knowledge base

Special Service Publication No. 112-15

Special Service Publication No. 112-15 SSP-112-15 Date: July, 2025 Updated list of Service Bulletins, Letters, and Instructions.
knowledge base

PC-CC363I/CC363I-FP Illustrated Parts Catalog

DATE RELEASED: August 2025 TITLE: Illustrated Parts Catalog for Cub Crafters CC363i (Lycoming YIO-360-EXP128) and Cub Crafters CC363i-FP (Lycoming YIO-360-EXP304) DOCUMENT PART NUMBER: PC-CC363I/CC363I-FP

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LYCOMING ENGINES
652 Oliver Street
Williamsport, PA 17701
1-800-258-3279