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Lycoming IO-390-D Series Maintenance Manual

Lycoming IO-390-D Series
322 pages
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© 2020 Avco Corporation. All Rights Reserved.
Engine Maintenance Manual
(Principal Manual)
IO-390-D Series
March 2020
Part No. MM-IO-390-D Series

Table of Contents

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Lycoming IO-390-D Series Specifications

General IconGeneral
Number of Cylinders4
Compression Ratio8.7:1
Ignition SystemDual Magneto
Engine TypeHorizontally Opposed, Air-Cooled
Displacement390 cubic inches (6.4 L)
Bore5.125 in (130.2 mm)
Maximum Power210 hp at 2700 RPM
Fuel TypeAvgas 100LL
Fuel SystemInjection
Oil Capacity8 quarts (7.6 L)
TBO (Time Between Overhaul)2000 hours
AspirationNormally Aspirated
CoolingAir-cooled

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