Rotax 914 series Installation Manual

Effectivity: 914 Series
Edition 2 / Rev. 0
d04277
page 59
July 01/2008
BRP-Rotax
INSTALLATION MANUAL
Schraube / screw M5
02050
Fig. 29
12.10)Coolant capacity
4 cylinder heads: .......................... 560 cm
3
(34.1 in
3
)
water pump: ................................. 100 cm
3
(6.10 in
3
)
expansion tank: ............................ 250 cm
3
(15.2 in
3
)
2 m coolant hose
(18 mm (.71 in) inside dia.) : ....... 500 cm
3
(30.5 in
3
)
total coolant quantity in engine: ............. approx. 1,5 l (0.4 gal (US))
12.11)Cooling air ducting
Contrary to the cylinder heads, the cylinders are ram air cooled. Plan cooling air
ducting according to installation requirement.
▲ WARNING: The cooling air ducting has to be designed and built such, that the
operating temperatures are kept within the specified limits and
maximum values are not exceeded.
This must also be warranted at "hot day conditions"!
Max. permissible cylinder wall temperature on cylinder 2 ............. 200 °C (392 °F)
(see Fig. 29)

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