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Publications 04.21.21

Service Instruction No. 1569 B

Installation, Operation, and Maintenance of Lycoming Electronic Ignition System (EIS)
Publications 03.22.21

Service Bulletin No. 642

Incorrect Piston and Ring Combination
Publications 03.17.21

Service Letter No. L284

Blemish on Cylinder Barrel
Publications 02.23.21

Service Letter No. L283

Alternate Ignition System
Publications 02.23.21

YO-233-B2A Maintenance Manual

DOCUMENT PART NO. MM-YO-233
Publications 01.04.21

Special Service Publication No. SSP-112-11

INDEX OF SERVICE BULLETINS, SERVICE INSTRUCTIONS AND SERVICE LETTERS
Publications 12.14.20

Service Letter No. L282

Australian Fuel Testing
Publications 11.20.20

Service Instruction No. 1579

Exhaust System Replacement Components
Publications 11.10.20

Service Instruction No. 1577

Intake Valve In-Service Data
Publications 08.06.20

Service Instruction No. 1316A

Repair of Oil Cooler By-Pass Valve Seat
Publications 07.31.20

Service Instruction No. 1014N

Lubricating Oil Recommendations
Publications 05.01.20

Special Service Publication No. SSP-110-2

CERTIFICATED ENGINE LIST
Publications 04.29.20

Service Instruction No 1037-W

APPROVED PISTONS, RINGS, AND CYLINDERS FOR USE ON LYCOMING AIRCRAFT ENGINESS
Publications 04.24.20

Service Instruction No. 1009 BE

TIME BETWEEN OVERHAUL (TBO) SCHEDULES
Publications 04.22.20

IO-390-D Series Engine Illustrated Parts Catalog

DOCUMENT PART NO. PC-IO-390-D
Publications 04.22.20

Service Instruction No. 1060 U

PUSH ROD IDENTIFICATION
Publications 04.16.20

Service Instruction No. 1532 L

APPROVED FUEL INJECTORS, FUEL MANIFOLD ASSEMBLIES, AND FUEL NOZZLE ASSEMBLIES FOR LYCOMING ENGINES
Publications 04.16.20

Service Instruction No. 1443 R

APPROVED SLICK MAGNETOS ON LYCOMING ENGINES
Publications 04.16.20

Service Instruction No. 1154 W

FAA-APPROVED STARTERS AND ALTERNATORS
Publications 04.13.20

Special Service Publication No. SSP-1776-5

SERVICE TABLE OF LIMITS AND TORQUE VALUE RECOMMENDATIONS

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