Rotax 914 series User Manual

Effectivity: 914 Series BRP-Powertrain page 2-7
OM Edition 2 / Rev. 1 April 01/2011
d05036.fm
2.3) Operating media-Fuel
General note
NOTE: Risk of vapour formation if using winter fuel for
summer operation.
Knock resistance The fuels with following specifications can be used:
* Anti Knock Index (RON+MON)/2
Mogas
AVGAS AVGAS 100LL places greater stress on the valve seats due to its
high lead content and forms increased deposits in the combustion
chamber and lead sediments in the oil system. Thus it should only
be used in case of problems with vapor lock or when other types
of gasoline are unavailable.

WARNUNG
NOTICE
Obey the local codes and the latest edition of
Service Instruction SI-914-019 for the selec-
tion of the correct fuel.

WARNUNG
NOTICE
Use only fuel suitable for the respective cli-
matic zone.
Usage/Description
Knock re-
sistance
914 F/UL
Min. RON 95
(min. AKI* 91)
Usage/Description
Mogas 914 F/UL
European
standard
EN 228 Super
EN 228 Super plus
Usage/Description
AVGAS 914 F/UL
Aviation 
Standard
AVGAS 100 LL
(ASTM D910)

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