Service Instruction No. 1037 Y
Approved Pistons, Rings, Cylinders, and Gasket Set Application for Use on Lycoming Aircraft Engines
Service Letter No. L 287
Increased Fuel Economy and Improved Manifold Pressure Stability
Service Instruction No. 1280 D
Rotator Type Intake Valves
Service Bulletin No. 642 A
Incorrect Piston and Ring Combination
Service Instruction No. 1569 B
Installation, Operation, and Maintenance of Lycoming Electronic Ignition System (EIS)
Service Letter No. L 284
Blemish on Cylinder Barrel
Service Letter No. L 283
Alternate Ignition System
YO-233-B2A Maintenance Manual
DOCUMENT PART NO. MM-YO-233
Service Letter No. L 282
Australian Fuel Testing
Service Instruction No. 1579
Exhaust System Replacement Components
Service Instruction No. 1577
Intake Valve In-Service Data
Service Instruction No. 1316 A
Repair of Oil Cooler By-Pass Valve Seat
Service Instruction No. 1014 N
Lubricating Oil Recommendations
Special Service Publication No. SSP-110-2
CERTIFICATED ENGINE LIST
Service Instruction No. 1009 BE
TIME BETWEEN OVERHAUL (TBO) SCHEDULES
IO-390-D Series Engine Illustrated Parts Catalog
DOCUMENT PART NO. PC-IO-390-D
Service Instruction No. 1060 U
PUSH ROD IDENTIFICATION
Service Instruction No. 1154 W
FAA-APPROVED STARTERS AND ALTERNATORS
Special Service Publication No. SSP-1776-5
SERVICE TABLE OF LIMITS AND TORQUE VALUE RECOMMENDATIONS
Service Instruction No. 1098 Q
PROPELLER FLANGE BUSHING LOCATION