Description Of Design; Designation Of Type; Standard Engine Design - Rotax 912 Series Installation Manual

7) Description of design

7.1)

Designation of type

Basic type
e.g. ROTAX 912 version 2:
version 2:
version 3:
speed
version 4:
Optional extras to the above stated basic type:
for version 2
for version 3
for version 4
◆ NOTE:
7.2)

Standard engine design

- 4 stroke, 4 cyl. horizontally opposed, spark ignition engine, single central
camshaft hydraulic tappets - push rods - OHV
- liquid cooled cylinder heads
- ram air cooled cylinders
- dry sump, forced lubrication
- dual ignition of breakerless, capacitor discharge design
- 2 constant depression carburetors
- mechanical fuel pump
- prop drive via integrated gear box with torsional shock absorber and overload
clutch (optional on configuration UL2, UL4, ULS2 and ULS4)
Effectivity: 912 Series
Edition 1 / Rev. 0
BRP-Rotax
INSTALLATION MANUAL
with prop flange for fix pitch propeller
with prop flange with drive of hydraulic governor for constant
propeller
with prop flange for fix pitch propeller, but prepared for retro-fit of
hydraulic governor for constant speed prop (not supplied by
manufacturer anymore)
external vacuum
alternator pump
yes
yes
yes
Conversion of the version 2 / 4 to version 3 may be accom-
plished by ROTAX Authorized Distributors or their Service
Center.
drive for rev-counter/
hour meter
yes yes
no yes
yes yes
governor
no
yes
no
08116
page 21
May 01/2007