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Rotax 914 series - User Manual

Rotax 914 series
92 pages
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OPERATORS MANUAL
FOR ROTAX® ENGINE TYPE 914 SERIES
ROTAX® 914 UL 3 WITH OPTIONS
part no.: 899645
Ref. No.: OM-914

Table of Contents

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Rotax 914 series Specifications

General IconGeneral
Bore79.5 mm
Stroke61 mm
Compression Ratio9.0:1
Cooling SystemLiquid-cooled cylinder heads, air-cooled cylinders
Redline5800 rpm
Engine Type4-cylinder, 4-stroke
Fuel TypeAvgas 100LL
Oil SystemDry sump
Fuel Systemfuel injection
TBO (Time Between Overhauls)2000 hours
Displacement1.211 liters (1211 cc)
Power Output84.6 kW (115 hp) at 5, 800 rpm

Summary

General Note

Safety

Covers general safety principles, warnings, and precautions for engine operation.

Operating Instructions

Operating Limits

Specifies critical operating parameters like performance, speed, and pressure.

Standard Operation

Pre-flight and Start Procedures

Covers pre-flight checks, engine start, and TCU function tests.

Abnormal Operation

Engine Performance Anomalies

Addresses sudden drops/rises in boost pressure and speed, and surging.

Warning Lamps & System Failures

Explains caution lamps, voltage supply failures, and exceeding operating limits.

Emergency Procedures & Troubleshooting

Covers engine fire procedures and general troubleshooting guidance.

Performance Data

Performance Graphs (Standard Conditions)

Presents engine performance and manifold pressure graphs under ISA conditions.

Checks

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