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

KNOWLEDGE BASE

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Service Instructions | 02.02.07
Service Instruction No. 1308 E

Pressurized Magneto Pressure Test

Installation & Operator Manuals | 01.01.07
O-235 & O-290 Operator's Manual

Document Part No. 60297-9 & 60297-9-1

Installation & Operator Manuals | 12.31.06
IO-320 Operator's Manual

Document Part No. 60297-31

Reference Documents | 12.30.06
Special Service Publication No. 475

Troubleshooting Guide

Installation & Operator Manuals | 10.31.06
TIO-540-AE2A Operator's Manual

Document Part No. 60297-27

Service Bulletins | 10.30.06
Service Bulletin No. 572

Missing Oil Passage Hole at Idler Shaft Location

Service Instructions | 10.27.06
Service Instruction No. 1517

Timing Change for TIO-540-AK1A Series Engines

Service Bulletins | 10.06.06
Service Bulletin No. 544 B

Bearing Replacement Part Identitfication

Installation & Operator Manuals | 09.30.06
IO-720 Operator's Manual

Document Part No. 60297-19

Installation & Operator Manuals | 09.30.06
O-320 Operator's Manual

Document Part No. 60297-30

Service Instructions | 05.25.06
Service Instruction No. 1340 A

Piston Pin Identification

Service Bulletins | 05.05.06
Service Bulletin No. 571

Reprint of Sky-Tec Service Bulletin No. 2006-0-3-1

Service Instructions | 05.05.06
Service Instruction No. 1105 B

Periodic Inspection of Generator/Alternator Mounting Brackets

Service Bulletins | 04.11.06
Service Bulletin No. 569 A

Crankshaft Retirement for Certain Lycoming Engines

Service Bulletins | 03.27.06
Service Bulletin No. 568

Service Letters | 03.27.06
Service Letter No. 244

Revision to Appendix 1 in Service Bulletin No. 569

Service Letters | 03.10.06
Service Letter No. 173 C

Slick Aircraft Products Service Bulletin No. SB2-80C

Installation & Operator Manuals | 02.28.06
TIO-540 (Parallel Valve Cylinder) Operator's Manual

Document Part No. 60297-23P

Service Instructions | 12.09.05
Service Instruction No. 1438 A

Propeller Governor Pad Plate P/N LW-12347

Parts Catalog | 11.30.05
AEIO-360-B Parts Catalog

Document Part No. PC-406-4

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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