ROTECH MOTOR LTD.

503 UL

 

Rotax® 503UL DCDI

 

2 cylinder, 2 stroke fan cooled engine with piston ported inlet, electronic dual ignition, exhaust system, rewind starter.  Single or dual carburetor options available.

OUT OF PRODUCTION
NO LONGER AVAILABLE

 

Version

Performance

Torque

Max RPM

 

kW

HP

RPM

Nm

ft. lb.

RPM

RPM

503 UL-DCDI
Single Carb

34.0

45.6

6500

51

37.6

5900

6800

503 UL-DCDI
Dual Carb

37.0

49.6

6500

56

41.3

6000

6800

 

 

 

 

 

 

Bore

Stroke 

Displacement 

Compression 
Ratio 

72 mm

2.84 in.

61 mm

2.40 in.

496.7 cm3

30.31 cu. in.

th: 10.8

ef: 6.2

 

 

 

 

Detailed Info

Engine data sheet (PDF)

Installation Weights

Fuel Consumption

 

 

 
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