Rotax 912 Series Service Manual

Effectivity 912/914 Series
Edition 1 / Rev. 0
78-00-00
page 1
May 01/2007
d02627
BRP-Rotax
Maintenance Manual
SECTION 78
EXHAUST SYSTEM AND TURBOCHARGER
1) Table of contents
SECTION 78
EXHAUST SYSTEM AND TURBOCHARGER
1) Table of contents .................................................................................... 78-00-00 / 1
2.) Systems description ...............................................................................78-00-00 / 3
2.1) Exhaust system (on the 912 Series) .............................................78-00-00 / 3
2.2) Exhaust system (on the 914 Series) .............................................78-00-00 / 3
2.3) Turbocharger (only on the 914 Series) ..........................................78-00-00 / 3
2.3.1) Exhaust turbocharger .......................................................78-00-00 / 3
2.4) Connections for instrumentation ...................................................78-00-00 / 5
2.4.1) Exhaust gas temperature display (optional) .....................78-00-00 / 5
3) Maintenance ...........................................................................................78-00-00 / 7
3.1) Disassembly of the complete exhaust system
(on the 912 Series) .......................................................................78-00-00 / 7
3.2) Disassembly of the complete exhaust system incl. turbocharger
and engine suspension frame (on the 914 Series) .......................78-00-00 / 7
3.3) Inspection of the exhaust system and turbocharger components
(only on the 914 Series) ................................................................ 78-00-00 / 11
3.3.1) Exhaust bend and exhaust manifold.................................78-00-00 / 11
3.3.2) Muffler: .............................................................................78-00-00 / 11
3.3.3 Turbocharger ....................................................................78-00-00 / 12
3.4) Assembly of the complete exhaust system (on the 912 Series) ...78-00-00 / 15
3.5) Assembly of the complete exhaust system incl. turbocharger
(on the 914 Series) .......................................................................78-00-00 / 15
3.6) owden cable, rope sheave and spring for wastegate control
(on the 914 Series) .......................................................................78-00-00 / 19
3.6.1) Disassembly .....................................................................78-00-00 / 19
3.6.2) Checking of the components ............................................78-00-00 / 20
3.6.3) Assembly and adjustment ................................................78-00-00 / 20

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