Rotax 912 i series Installation Manual

d05785.fm
INSTALLATION MANUAL
BRP-Powertrain
Effectivity: 912 i Series
Edition 1/Rev. 0
75-00-00
Page 6
January 01/2012
1.3) Coolant types
General note
Permissible coolant types:
Conventional
coolant
Conventional coolant is recommended as it commonly available and has a
greater thermal heat transfer capability. Its limitation is its lower boiling
point.
Mixing ratio
Boiling point Conventional coolant:
Conventional coolant mixed with 50 % water cannot boil at a temperature
below 120 °C (248 °F) at a pressure of 1.2 bar (18 psi). The max. coolant
temperature limit is therefore 120°C (248 °F).
Marking Marking of the coolant to be used

WARNUNG
NOTICE
Using waterless coolant
is not permitted (e.g. Evans).
Description
1 Conventional coolant based on ethylene glycol

WARNUNG
NOTICE
When selecting a suitable coolant, the information in
Service Instruction SI-912 i-001, latest issue, must be
observed.

WARNUNG
NOTICE
The manufacturers instructions regarding the coolant
must be observed.
Mixture ratio
Description Concentration Water
Conventional coolant 50 % 50 %
Some conventional coolants are available pre-mixed by the manufacturer. In this case
do not mix with water, instead follow the manufacturers instructions.

WARNUNG
NOTICE
The coolant to be used and its concentration (percent-
age water rate) must be correctly communicated to the
owner.

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