Rotax 914 series - 7 Description of Design; Designation of Type; Standard Engine Design

Effectivity: 914 Series
Edition 2 / Rev. 0
d04275
page 21
July 01/2008
BRP-Rotax
INSTALLATION MANUAL
08116
external
alternator
vacuum
pump
drive for rev counter/
hour meter
governor
for version 2 yes yes yes no
for version 3 yes no yes yes
for version 4 yes yes yes no
7) Description of design
7.1) Designation of type
Basic type
e.g. ROTAX 914 version 2:
version 2: with prop flange for fix pitch propeller
version 3: with prop flange with drive of hydraulic governor for constant speed
propeller
version 4: with prop flange for fix pitch propeller, but prepared for retro-fit of
hydraulic governor for constant speed prop (no longer available)
Optional extras to the above stated basic type:
◆ NOTE: Conversion of the version 2/4 to version 3 and vice versa may be
accomplished by BRP-Rotax Authorized Distributors or their Service
Center.
7.2) Standard engine design
- 4 stroke, 4 cyl. horizontally opposed, spark ignition engine with turbo charger, 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 and airbox
- 2 electric fuel pumps (12V DC)
- prop drive via integrated gear box with torsional shock absorber and overload clutch
(optional on configuration UL2/UL4)
- stainless steel exhaust system