ROTAX Engines & Parts

447 UL – 29.5 kW
503 UL – 34 kW
582 UL

a – Base carburetor for air-cooled engines with bowden cable choke. NOTICE carburetor without calibration. From engine S/N 447 UL: 3,940.675, 503 UL: 4,795.201;
b – Base carburetor for liquid cooled engines with bowden cable choke. NOTICE carburetor without calibration; From engine S/N 582 UL Mod. 90: 4,656.088, 582 UL mod. 99: starting with serial production;
c – Carburetor housing, not available as spare part, use carburetor assy.;
d – Jet-needle, see carburetor calibration sheet;
e – Idle-jet, see carburetor calibration sheet;
f – Needle-jet, see carburetor calibration sheet;
g – Main-jet, see carburetor calibration sheet;
h – Only necessary on high altitude compensation kit (not available anymore)

B – Loctite 243

a – For cylinder 2 and 1/3;
b – For cylinder 1 and 2/4;
c – Carburetor housing not available as spare part. Use carburetor assembly,
d – Refer to service instruction SI-03-1998 current issue,
e – With clearance for O-ring (use only together with O-ring pos. 18 (P/N 950430);
f – For airbox P/N 867758, P/N 867756; See SB-912-044;
g – See SI-912-012, SI-914-014;
h – Package including two floats;
i – Special jetting according to instructions of the manufacturer;
j – Contain parts requirement for 2 carburetors;
k – Overhaul kit for 1 carburetor

B – Loctite 243

a – For cylinder 1/3;
b – For cylinder 2/4;
c – Carburetor housing not available as spare part. Use carburetor assembly; 
d – Refer to service instruction SI-03-1998 current issue;
e – With clearance for O-ring (use only together with O-ring pos. 16 P/N 950430);
f – See SI-912-012, SI-914-014 current issue;
g – For airbox P/N 667167, See SI-914-015 current issue, For engine S/N 914 UL 4,418.634;
h – For airbox P/N 867753 or 667162, See SI-914-013 and SI-914-002 current issue;
i – Package including two floats;
j – At carburetor 1/3 only 1 piece;
k – Contain parts requirement for 2 carburetors