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Service Bulletins | 06.12.25
Service Bulletin No. 630B
Connecting Rod Bushing Inspection After Cylinder Removal
Service Instructions | 05.13.25
Service Instruction No. 1593
Incorrectly marked alternator belts
Service Bulletins | 04.02.25
Service Bulletin No. 656A
Replacement of 6-Cylinder Electronic Ignition System (EIS)
Service Letters | 03.10.25
Service Letter No. L 162 B
Heli-Coil Service Repair Kit
Service Bulletins | 02.21.25
Service Bulletin No. 661
STD-35 Plain Washer Replacement
Service Bulletins | 02.21.25
Service Bulletin No. 659
STD-33 Plain Washer Replacement
Service Bulletins | 02.21.25
Service Bulletin No. 648 C
Wastegate Solenoid Valve Inspection and Cleaning
Installation & Operator Manuals | 02.21.25
IO-540-AG1A5 Series Engine Installation and Operation Manual
Lycoming Part Number: 60297-45
Installation & Operator Manuals | 02.21.25
YO-233-B2A Series Engine Installation and Operation Manual
Lycoming Part Number: 60297-40-B
Installation & Operator Manuals | 02.21.25
IO-540-AF1A5 Operation and Installation Manual
Lycoming Part Number: 60297-33
Maintenance Manuals | 02.21.25
TIO-540 Series Parallel Valve Cylinder Heads Operator’s Manual
Lycoming Part Number: 60297-23P
Installation & Operator Manuals | 02.21.25
O-320 76 Series Operator’s Manual
Lycoming Part Number: 60297-22
Installation & Operator Manuals | 02.21.25
O-540, IO-540 Series Operator’s Manual
Lycoming Part Number: 60297-10
Installation & Operator Manuals | 02.21.25
O-235 and O-290 Series Operator’s Manual
Lycoming Part Number: 60297-9
Installation & Operator Manuals | 02.11.25
TIO-540 Series Angle Valve Cylinder Heads Operator's Manual
Document Part No. 60297-23A
Reference Documents | 01.09.25
Service Bulletin No. 658
Starter Inspection, Hartzell Engine Tech (HET) Service Bulletin (SB) No.211
Service Bulletins | 01.06.25
ENGINE MOUNTED OIL FILTER KITS AND RELACEMENT FILTERS SSP-885-2
Special Service Publication SSP-885-2
Parts Catalog | 01.06.25
TEO-540-C1A Illustrated Parts Catalog Rev 6
DOCUMENT PART NO. PC-TEO-540-C1A REV 6
Service Bulletins | 11.05.24
FAA Airworthiness Directive AD 2024-21-02
Lycoming Engine's Response to AD 2024-21-02