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Rotax 912 Series Installation Manual

Rotax 912 Series
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d04922.fm
INSTALLATION MANUAL
BRP-Powertrain
Effectivity: 912 Series
Edition 2/Rev. 0
72-00-00
page 7
August 01/2012
2) Technical data
General note To maintain clarity, only data relevant for engine installation and opera-
tion will be stated in the Manual.
NOTE: Connecting sizes, capacities, gear and reduction ratios,
electric power, permissible temperatures, etc. can be
found in the respective section of engine installation or oth-
er relevant engine type documentation.
2.1) Weight
General note The engine weight is defined by the following conditions:
- Engine dry from serial production with internal alternator, with over-
load clutch (see chapter Description of design).
Version ROTAX 912 A, 912 F, 912 UL:
ROTAX 912 S, 912 ULS:
Accessories Overview:
Version Weight
Version 2 and 4 57.1 kg (125 lb)
Version 3 59.8 kg (132 lb)
Version Weight
Version 2 and 4 58.3 kg (128 lb)
Version 3 61.0 kg (134 lb)
Accessories Weight
External alternator assy. 3.0 kg (6.6 lb)
Overload clutch 1.7 kg (3.7 lb)
Vacuum pump assy. 0.8 kg (1.76 lb)
Hydraulic governor assy. incl. drive
(depending on type)
approx. 2.2 (4.8 lb) to 2.7 kg (6 lb)
HD-starter additional +0.43 kg (1 lb)
Rectifier regulator 0.3 kg (0.66 lb)
Starter relais 0.145 kg (0.32 lb)
Radiator 1.0 kg (2.2 lb)
Air guide hood 0.36 kg (0.79 lb)
Airbox 1.3 kg (2.8 lb)
2 air filter 0.3 kg (0.66 lb)
Oil radiator 0.55 kg (1.21 lb)

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Rotax 912 Series Specifications

General IconGeneral
Redline5800 rpm
TBO2000 hours
Displacement1211 cc
Bore79.5 mm
Stroke61 mm
Power Output80 hp (59.6 kW)
Compression Ratio9.0:1
Fuel TypeAvgas 100LL
Ignition SystemDual electronic ignition
Fuel SystemFuel Injected
Oil SystemDry sump
Engine Type4-cylinder, horizontally opposed, 4-stroke

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