Rotax 912 i series Installation Manual

d05784.fm
INSTALLATION MANUAL
BRP-Powertrain
Effectivity: 912 i Series
Edition 1/Rev. 2
73-00-00
Page 3
January 01/2014
Overview
Fuel system
Fig. 1 06293
Part Function
1 Fuel tank
2 Fuel pump 1
3 Fuel pump 2
4 Fine filter
5 Fuel pressure regulator
6 Coarse filter/water trap
1
1
2
3
5
4
6
SINGLE-Tank-System
Fuel tank
Check valve
0.8-1.2 bar
Fuel pump
main single
valve
Fuel pump
main double
valve
Check valve
Fuel Filter
mesh size
max. 50-67 mµ
Fuel pump 1
(Main pump)
Fuel pump 2
(Aux pump)
Check valve 1 Check valve 2
Close to fuel tank
Fuel pressure sensor
Manifold air pressure
Check valve
0.8-1.2 bar
Fine Filter
(mesh size
8-12 mµ)
Orifice and fitting
(close to fine filter)
Reference to airbox
Fuel injector
Display
P
Fuel pressure regulator
1
1
2
3
4
5
MULTI-Tank-System
Display
Manifold air pressure
P
Fuel pressure sensor
Close to fuel tank
Check valve 1 Check valve 2
Check valve
0.8-1.2 bar
4
Fuel injector
Fine Filter
(mesh size
8-12 mµ)
Fuel pump 2
(Aux pump)
Fuel pump1
(Main pump)
Fuel filter
mesh size
max.
50-67 mµ
Double fuel
pumps main valve
Reference to airbox
Fuel pressure regulator
1
1
23
5
6
6
Orifice and fitting
(close to fine filter)
Fuel tank
Fuel tank
Fuel tank
Check valve
0.8-1.2 bar

Rotax 912 i series Specifications

General

Number of Cylinders	4
Max Power	100 hp (73.5 kW)
Max Power Output RPM	5800 rpm
Ignition System	Dual electronic ignition
Oil System	Dry sump, forced lubrication with separate oil tank
Reduction Gear Ratio	2.43:1
TBO	2000 hours
Engine Type	4-stroke, horizontally opposed
Displacement	1352 cm³
Bore x Stroke	84 mm x 61 mm
Max Torque	128 Nm
Fuel Type	Avgas 100LL or unleaded automotive gasoline
Fuel System	Electronic fuel injection
Cooling System	Liquid/air-cooled