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

KNOWLEDGE BASE

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Service Instructions | 08.28.09
Service Instruction No. 1267 D

Piston Pin Plug Usage

Parts Catalog | 07.31.09
O-540-B, -E, & -G Parts Catalog

Document Part No. PC-115-2

Service Bulletins | 05.27.09
Supplement No. 1 to Service Bulletin No. 569 A

Service Letters | 05.27.09
Service Letter No. 240 A

Part Numbers Identified by Lycoming with -70 or -85 Suffix

Service Instructions | 03.20.09
Service Instruction No. 1492 D

Piston Pin Plug Wear Inspection

Service Bulletins | 03.17.09
Service Bulletin No. 585

Incorrect Exhaust Valve Rotator Cap Shipped with Cylinder Kits P/N 05K21119, 05K21121, and 05K21122

Installation & Operator Manuals | 03.01.09
O-540 & IO-540 Operator's Manual

Document Part No. 60297-10 & 60297-10-3

Parts Catalog | 02.28.09
IO & LIO-360-C & HIO, TIO, AEIO-360 Parts Catalog

Document Part No. PC-406-2

Service Instructions | 02.23.09
Service Instruction No. 1524

Alternator Bracket Kit for 130A Alternators

Service Instructions | 02.20.09
Service Instruction No. 1409 C

Lycoming Engines P/N LW-16702, Oil Additive

Service Bulletins | 02.20.09
Service Bulletin No. 471 B

Lycoming Engines Oil Additive P/N LW-16702

Service Instructions | 01.16.09
Service Instruction No. 1525

Reprint of Precision Service Information Letter No. SIL RS-92

Service Bulletins | 11.19.08
Service Bulletin No. 581 A

Reprint of Precision Airmotive Mandatory Service Bulletins Nos. PRS-107, Rev. 4 and PEX-1, Rev. 1

Service Instructions | 11.19.08
Service Instruction No. 1522

Reprint of Precision Service Information Letter No. SIL RS-62 Revision 2

Service Instructions | 11.19.08
Service Instruction No. 1521

Reprint of Precision Service Information Letter No. SIL RS-35 Revision 1

Parts Catalog | 10.31.08
IO-540-AC1A5 Part's Catalog

Document Part No. PC-615-12

Service Bulletins | 10.17.08
Service Bulletin No. 584 B

Reprint of Mandatory Unison Service Bulletin No. SB3-08A

Service Instructions | 10.17.08
Service Instruction No. 1125 D

Alternate Crankcase Parting Surface Sealants

Service Bulletins | 10.10.08
Service Bulletin No. 582 A

Reprint of Precision Airmotive Mandatory Service Bulletin No. MSA-13

Service Instructions | 09.23.08
Service Instruction No. 1275 C

Cleaning Fuel Injector Nozzles

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Lycoming Engines is an Operating Division of Avco Corporation. ©2025 Avco Corporation.

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