Rotax 914 series Installation Manual

Effectivity: 914 Series
Edition 2 / Rev. 0
d04279
page 85
July 01/2008
BRP-Rotax
INSTALLATION MANUAL
14.2) Operating limits
▲ WARNING: Design and layout of the fuel system has to warrant engine operation
within the specified limits.
Fuel pressure:
max. .........................................................airbox pressure + 0,35 bar (5 p.s.i.)
min. ..........................................................airbox pressure + 0,15 bar (2,2 p.s.i.)
nominal. .....................................................airbox pressure + 0,25 bar (3,6 p.s.i.)
The fuel pressure of the electric fuel pump must not exceed the manifold pressure by
more than 0,35 bar (5 p.s.i.)
▲ WARNING: Fuel pressure in excess of stated limit can lead to an override of the
float valve with subsequent engine stop.
◆ NOTE: On the standard engine no connection is provided for measuring the
fuel pressure. See section 14.5.

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