Is there a perfect idle rpm for the 912 series engine? This has been a widely discussed and at times a hotly debated item on many forums. The simple answer is NO. Set the idle where you want and/or need it, but do it for the right reason. This answer may surprise you, but it shouldn’t and I’ll address this later in the article.
BRP introduces a more powerful 135-hp Rotax aircraft engine at the EAA AirVenture in Oshkosh, Wisconsin – the Rotax 915 iS.