[1] It is out of production and is no longer offered for sale by Rotax.
[2] The Rotax 535 is a twin cylinder two-stroke, in-line, 521.2 cc (31.8 cu in) displacement, liquid-cooled, gasoline engine design, with a 3:1 belt reduction drive.
It employs dual Bosch or Ducati magnetic high-voltage condenser ignition systems, one or two carburetors and produces a maximum of 60 hp (45 kW) at 7200 rpm.
Lubrication is 50:1 super two stroke oil premixed with the fuel.
[1] Data from EASA Type Certificate[1] Related lists