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Rotax 503

The Engine  Specifications
The 503 is another well respected two-cycle engine by Rotax.  The earliest reference to this engine I can find is 1986.  The aircraft version was introduced in 1990.
In-line, two-cylinder piston engine
Displacement: 30.3 cubic inches (496 cc)
Bore x stroke: 72 x 61 mm
 Models  Used by
503 UL DCDI: 50 hp (37 kW) 
Hipp's Reliant
Kolb Firestar
Quad City Challenger
 Related Pages
More about Rotax

page updated 14 May 2005



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Kenneth W Shanaberger 2000 - 2010