How much does it cost to overhaul a Rotax 503?
Overhauled Rotax 503 – $3375. Specifications Popular Weights and performance graph for the Rotax 503 50hp.The Rotax 503 Technical Specs: • Aircraft Engine • Two-Cylinder Two Stroke • 72 mm X 61 mm Bore • Fan Cooled • 497 CCM • 46. HP (35 KW) @ 6500 RPM (1/Min) • 33,000 produced from 1981 – 2009 – We repeat, that is 33,000 produced from 1981 – 2009!
How many HP is a Rotax 503?
The highrunner, the Rotax 503 UL engine, a two-cylinder, two-stroke fan-cooled engine with a 50-hp performance. In total more than 33,000 engines of this model were sold. In the early ’80s, at the peak of the ultralight flying era, we launched the legendary Rotax 503 UL: a fan-cooled, twin-cylinder, two-stroke engine delivering 50 hp. In total, more than 33,000 engines of this model were sold, making it the high-runner of its era.