3) Lubricants - Rotax 912 UL Operator's Manual

10.2.3) Lubricants

Oil: Motorcycle oil of a registered brand with gear additives. If
using aircraft engine oil; than only blended one.
■ CAUTION:
Oil specification
— Use only oil with API classification "SG" or higher!
— Due to the high stresses in the reduction gears, oils with gear
— Because of the incorporated friction clutch, oils with friction
— Heavy dury 4-stroke motor cycle oils meet all the requirements.
— Oils primarity for Diesel engines are due to insufficient high
■ CAUTION:
Effectivity: 912 Serie
OM Edition 1 / Rev. 0
At the selection of suitable lubricants refer to the
additional information in the Service Information
SI-912-016, latest edition.
additives such as high performance motor cycle oils are required.
modifier additives are unsuitable as this could result in a slipping
clutch during normal operation.
These oils are normally no mineral oils but semi- or full synthetic
oils.
temperature properties and additives which favour clutch
slipping, generally unsuitable.
If the engine is mainly run on AVGAS more
frequent oil changes will be required. See
Service Information SI-912-016, latest edition.
BRP-Rotax page 10 - 11
Jan. 01/2007