Rotax 912 iS Sport Operator's Manual page 30

Antiknock
properties
MOGAS
AVGAS
1. Anti Knock Index (RON+MON)/2
Page 2-6
January 01 2019
Fuels with following specification 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.
AVGAS
Aviation Standard
BRP-Rotax
Usage/Description
912 i Series
Min. RON 95 (min. AKI
Usage/Description
912 i Series
EN 228 super
EN 228 super plus
Usage/Description
912 i Series
AVGAS 100 LL (ASTM D910)
Effectivity: 912 i Series
Edition 2 / Rev. 0
1
91)