Rotax 912 Series Service Manual

Effectivity 912/914 Series
Edition 1 / Rev. 0
71-00-00
page 1
May 01/2007
d02621
BRP-Rotax
Maintenance Manual
SECTION 71
POWER PLANT
1) Table of contents
SECTION 71
POWER PLANT
1) Table of contents .................................................................................... 71-00-00 / 1
2) System description .................................................................................71-00-00 / 3
2.1) Description of design .....................................................................71-00-00 / 3
2.2) Type description ............................................................................ 71-00-00 / 4
2.3) Engine components, engine views, cylinder designation
and description of main axes ........................................................71-00-00 / 5
3) Technical data......................................................................................... 71-00-00 / 11
3.1) Operating limits .............................................................................71-00-00 / 11
3.2) Operating fluids / Capacity ............................................................71-00-00 / 11
3.3) Weights ......................................................................................... 71-00-00 / 11
3.4) Engine / Components....................................................................71-00-00 / 12
4) Treatment of corrosion and surface damage..........................................71-00-00 / 15
4.1) Propeller shaft ...............................................................................71-00-00 / 15
4.2 Electric system ..............................................................................71-00-00 / 15
5) Preservation and returning to service ....................................................71-00-00 / 17
5.1) Storage and preservation directives for a new engine .................. 71-00-00 / 17
5.2) Preservation of an engine which has been in operation ...............71-00-00 / 18
5.3) Returning the engine to service ....................................................71-00-00 / 18
6) Maintenance ...........................................................................................71-00-00 / 19
6.1) Engine suspension frame .............................................................. 71-00-00 / 19
6.1.1) Engine suspension frame disassembly ................................71-00-00 / 19
6.1.2) Engine suspension frame inspection ...................................71-00-00 / 20
6.1.3) Engine suspension frame assembly .................................... 71-00-00 / 20
6.2) Temperature- and pressure observation .......................................71-00-00 / 22

Rotax 912 Series Specifications

General

Redline	5800 rpm
TBO	2000 hours
Displacement	1211 cc
Bore	79.5 mm
Stroke	61 mm
Power Output	80 hp (59.6 kW)
Compression Ratio	9.0:1
Fuel Type	Avgas 100LL
Ignition System	Dual electronic ignition
Fuel System	Fuel Injected
Oil System	Dry sump
Engine Type	4-cylinder, horizontally opposed, 4-stroke