Rotax

BRP-Rotax GmbH & Co KG

Company type	Private company
Industry	Mechanical engineering
Founded	1920
Headquarters	Gunskirchen, Upper Austria , Austria
Products	Internal combustion engines
Owner	BRP-Powertrain Management GmbH, BRP Holdings (Austria) GmbH
Parent	Bombardier Recreational Products
Website	www.rotax.com

Rotax is the brand name for a range of internal combustion engines developed and manufactured by the Austrian company BRP-Rotax GmbH & Co KG^[1] (until 2016 BRP-Powertrain GmbH & Co. KG), in turn owned by the Canadian Bombardier Recreational Products (BRP). Under the Rotax brand, the company is one of the world's largest producers of light piston engines.^[2]

Rotax four-stroke and advanced two-stroke engines are used in a wide variety of small land, sea and airborne vehicles. Bombardier Recreational Products use them in their own range of such vehicles.^[3] Since the 1990s, Rotax has been the world's dominant supplier of engines for ultralight aircraft and light sport aircraft, and a major producer of engines for other light aircraft.^{[4][5][6][7][8]}