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