Operating Media – Fuel; Antiknock Properties; Mogas; Avgas - Rotax 912 Series Operator's Manual

2.4) Operating media – Fuel
Antiknock
properties

MOGAS

AVGAS

4. Anti Knock Index (RON+MON)/2
Effectivity: 912 Serie
Edition 4 / Rev. 0
Obey the latest edition of Service Instruction SI-912-016, for the
selection of the correct coolant.
Use only fuel suitable for the respective climatic zone.
NOTE
Risk of vapour formation if using winter fuel for summer
operation.
The fuels with following specifications can be used.
Anti knock properties
NOTE
For fuels according to ASTM D4814 specifications following
AKI (Anti Knock Index) value has to be observed: min. AKI 91.
MOGAS
European standard
AVGAS 100LL places greater stress on the valve seats due to
its high lead content and forms increased deposits in the com-
bustion chamber and lead sediments in the oil system.
BRP-Rotax
ATTENTION
ATTENTION
Usage/Description
912 A/F/UL
Min. RON 90 (min.
4
AKI
Usage/Description
912 A/F/UL
EN 228 normal
EN 228 super
EN 228 super plus
November 01/2016
912 S/ULS
Min. RON 95
4
(min. AKI 91)
912 S/ULS
EN 228 super
EN 228 super
plus
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