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.The 503 series rotax engines were used on many skidoo sleds in the 1980s and 1990s including the skandic, safari, alpine, blizzard, formula stratos, voyageur and more.
How much horsepower does a Rotax 503 engine have?
Specifications popular weights and performance graph for the rotax 503 50hp. Did you know you can customize your dream rotax engine directly on our website? Our engine configurator walks you through every option and shows you the total weight of your setup in real time. It is a great way to plan your next build. Give it a try and see what is possible.
What is the top speed of the Rotax 503?
If pitched correctly you shouldn’t see 6800. It should be 6800, maybe the propeller pitch is not adjusted properly. RPM. In my plane 6250 static gives me 6550 on climb out and just under 6800 WOT in level flight. Cruise RPM for fuel economy and engine longevity is at about 80% power which on the 503 is 5700 RPM if your WOT is set properly.