Rotax 912 i series - Fuel System

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