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Engine, fuel, oil
Engine manufacturer: ROTAX
Engine types: ROTAX 503, ROTAX 582, ROTAX 912
The engine
TEMPERATURE °C / ROTAX ENGINE
cylinder head temp. (CHT); min., work, highest
max. CHT difference
exhaust gas temp. (EGT); normal, max.
max. EGT difference
air intake temp. (AIR); highest
cooling fluids temp. (WATER); min., highest
oils temp. (OIL TEMP); min., normal, highest
RPM, PRESSURE
oil pressure (OIL PRESS); lowest, highest
engine revolutions (RPM); on ground recom.
RPM on ground; max. allowable
magneto check at (RPM)
max. single magneto drop (RPM)
Fuel and oil
ROTAX ENGINE
recommended fuel
fuel to be discouraged from using
recommended oil
*Engine life is reduced. Should you be forced to used this kind of fuel, change of engine oil every
50 flight hours is crucial. Please consult the manufacturer on which type of oil to use.
IMPORTANT!
Two-stroke engines should be powered only by fuel complying with MON 83 (or higher) or RON 90
(or higher) classification. As for mixing fuel and oil manually, it is best to use recommended oil (see
above). Dedicated lead additives should not be used (see detailed instructions in the engine manu-
al).
MIXING RATIO: 50 UNITS of FUEL and 1 UNIT of OIL (e.g. 2 dl of oil every 10 litres of fuel)
When using engines equipped with oil injection pump it is vital to monitor the oil level in its contai-
ner. There should always be enough oil to suffice for the intended flight duration, including reserve.
Four-stroke engines should only be powered by unleaded fuel, for lead sedimentation inside the en-
gine shortens its life. Provided you are unable to use unleaded fuel, make sure engine oil and the oil
filter are replaced every 50 flight hours.
503 UL
582 UL
100; 200; 250
110; 130; 150
20
460-580; 650
500-620; 650
25
40
/
50; 80
/
503 UL
582 UL
/
6400
6100
6800
6800
3500
3500
200
503 UL
582 UL
leaded or
leaded or
unleaded super
unleaded super
everything
everything
under AKI 87
under AKI 87
super 2-stroke
super 2-stroke
API-TC
API-TC
Limitations
912 UL
80; 110; 150
10
/
650-800; 900
25
30
40
40
50; 110
50; 90-110; 140
912 UL
/
0,2; 6,0
5500
5800
4000
200
300
912 UL
unleaded super
leaded* or
100LL*
API SJ SAE
10W-50
13
Trike
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