Rotax 912 i series Operator's Manual

Effectivity: 912 i Series BRP-Powertrain page 7-9
OM Edition 1/Rev. 0 January 01/2012
d05871.fm
LANE select
switches A/B
The two independent LANE select switches A and B connect the
ECU for the relevant LANE to the EMS power supply.
The start power switch makes a connection only during the start-
up procedure between the ECU, ignition system and the EMS
lamps with the external onboard battery.
EMS main switch 5 switch settings:
- EMS master switch, 2 fuel pumps, LANE select switch A,
LANE select switch B.
The EMS main switch has 4 switch positions:
- A “ON“, B “ON“, AUTO (A+B“ON“) and “OFF“
It is used to conduct various tests (e.g. ignition tests).
Switch position Action Test
EMS main
switch “ON“
Activates the EMS
power supply
EMS power supply
works
LANE select
switch A
“ON/OFF“
Activates the LANE A
(LANE B is “OFF“)
LANE A works
LANE select
switch B
“ON/OFF“
Activates the LANE B
(LANE A is “OFF“)
LANE B works
Fuel pump (main
pump)
“ON/OFF“
Activates the fuel
pump 1
Fuel pump 1 works
Fuel aux pump
“ON/OFF“
Activates the fuel
pump 2
Fuel pump 2 works

WARNUNG
NOTICE
When using a rotary switch (ignition switch
with integrated LANE select options) it must
have the following functions.
Switch position Action Test
A ON Activates the LANE A
(LANE B is OFF)
LANE A works
B ON Activates the LANE B
(LANE A is OFF)
LANE B works
AUTO Activates LANE A and
LANE B
LANE A for engine run
OFF Shut-down of the en-
gine
Engine should shut-down

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