Textron Lycoming O-290-D2 User Manual

OPERATOR’SMANUAL
REVISION
REVISIONNO. PUBLICATION PUBLICATIONNO. PUBLICATIONDATE
6029791 O235,O290SERIES 602979 January2007
Thepage(s)inthisrevisionreplace,addto,ordeletecurrentpagesintheoperator’smanual.
PREVIOUS REVISION CURRENTREVIS ION
None
September 2008
35,36, Addspage36A/B
©2008byLycoming“AllRightsReserved”
LycomingEngines,adivisionofAVCOCorporation,awhollyownedsubsidiaryofTextronInc.

Textron Lycoming O-290-D2 Specifications

General

Number of Cylinders	4
Bore	4.875 in (123.8 mm)
Stroke	3.875 in (98.4 mm)
Type	Four-cylinder, horizontally opposed, air-cooled
Displacement	290 cu in (4.8 L)
Compression Ratio	7:1
Maximum Power	135 hp
Fuel	80/87 avgas

Summary

Section 2: Engine Specifications

O-235 Series Specifications

Lists key technical specifications for various O-235 engine models.

O-290 Series Specifications

Lists key technical specifications for various O-290 engine models.

Section 3: Operating Instructions

Engine Starting Procedures

Step-by-step guide for safely starting the aircraft engine.

Ground Running and Warm-Up

In-Flight Operation and Mixture

Guidance on in-flight engine operation, including fuel mixture leaning.

Carburetor Heat Control Usage

Section 6: Trouble-Shooting

Engine Start and Idle Issues

Diagnosing and resolving problems related to engine start and idling.

Power and Running Difficulties

Troubleshooting low power, uneven running, and full power development.

Oil System Troubleshooting

Addressing issues like low oil pressure and high oil temperature.