Fuel According To Faa - Rotax 912 series Operator's Manual

13.2) Fuel according to FAA

Fuel: ...................... Standard Spec. for Automotive Spark-Ignition
ATTENTION:
NOTE:
Effectivity: 912 Serie
OM initial issue
Engine, Fuel, ASTM D 4814,
or
AVGAS 100 LL
Due to higher lead content in AVGAS, the wear of
the valve seats and deposits in the combustion
chamber will increase. Therefore, use AVGAS only
if you encounter problems with vapour lock or if the
other fuel types are not available,
or
equivalent fuels according to Chapter 10.2.2).
Use only use fuel suitable for the respective climatic
zone.
Risk of vapour formation if using winter fuel for
summer operation.
AIRCRAFT ENGINES
page 13 - 2
July 01/98