Rotax 914 series User Manual

Effectivity: 914 Series BRP-Powertrain page 5-2
OM Edition 2 / Rev. 0 April 01/2010
d04477.fm
Performance
graphs
Performance graphs for stand. conditions (ISA)
Engine performance
Fig. 1
08641
NOTE: The manifold pressure in the compensating
tube is always lower by the pressure loss in the
carburetors than the TCU controlled airbox
pressure and may be therefore subject to bigger
deviations.
Manifold pressure
Fig. 2
08642
A: Engine curve (take-off performance)
B: Engine curve (continuous full throttle performance)
C: Propeller curve (Power requirement of propeller)
A: Engine curve (take-off performance): 84.5 kW at 5800 rpm
1300 hPa (38.4 in.HG)
*1320 hPa (39.0 in.HG)
B: Engine curve (continuous full throttle performance): 
73.5 kW at 5500 rpm
1150 hPa (34.0 in.HG)
*1180 hPa (34.9 in.HG)
C: Propeller curve (Power requirement of propeller)
*914 F starting with engine no. 4,420.200 (TCU part no. 966741)
*914 UL starting with engine no. 4,417.598 
(TCU part no. 966471)

Rotax 914 series Specifications

General

Bore	79.5 mm
Stroke	61 mm
Compression Ratio	9.0:1
Cooling System	Liquid-cooled cylinder heads, air-cooled cylinders
Redline	5800 rpm
Engine Type	4-cylinder, 4-stroke
Fuel Type	Avgas 100LL
Oil System	Dry sump
Fuel System	fuel injection
TBO (Time Between Overhauls)	2000 hours
Displacement	1.211 liters (1211 cc)
Power Output	84.6 kW (115 hp) at 5, 800 rpm