Rotax 914 series User Manual

Effectivity: 914 Series BRP-Powertrain page 2-4
OM Edition 2 / Rev. 1 April 01/2011
d05036.fm
Conventional
coolant
See also Chapter 2.2).
Waterless coolant See also Chapter 2.2).
Engine start, oper-
ating temperature
Fuel pressure
Coolant temperature: (coolant exit temperature)
Max. 120 °C (248 °F)
Cylinder head temperature:
Max. 135 °C (275 °F)
Permanent monitoring of coolant temperature and cylinder head temper-
ature is necessary.
Cylinder head temperature:
Max. 135 °C (275 °F)
Permanent monitoring of cylinder head temperature is necessary.
Max. 50 °C (120 °F) (ambient temperature)
Min. -25 °C (-13 °F) (oil temperature)

WARNU

WARNING
Non-compliance can result in serious injuries
or death!
Exceeding the max. admissible fuel pressure
will override the float valve of the carburetor
and to engine failure.
Max. Airbox pressure + 0.35 bar (5.08 psi)
Min. Airbox pressure + 0.15 bar (2.18 psi)
Normal Airbox pressure + 0.25 bar (3.63 psi)

Rotax 914 series Specifications

General

Bore	79.5 mm
Stroke	61 mm
Compression Ratio	9.0:1
Cooling System	Liquid-cooled cylinder heads, air-cooled cylinders
Redline	5800 rpm
Engine Type	4-cylinder, 4-stroke
Fuel Type	Avgas 100LL
Oil System	Dry sump
Fuel System	fuel injection
TBO (Time Between Overhauls)	2000 hours
Displacement	1.211 liters (1211 cc)
Power Output	84.6 kW (115 hp) at 5, 800 rpm