Factory two-stroke turbo became a reality for the first time today when Ski-Doo launched a 2020.5 Summit 850 E-TEC Turbo snowmobile, with an engine that offers varying levels of boost and up to a claimed 40 hp increase in power at 8000 feet of altitude and above, meaning its affects will be felt most in the thin air where Summits are intended to be ridden.
It’s a breakthrough moment – both for snowmobiles and for two-stroke engines in general – as it’s the first-known factory turbo on a mass-produced two-stroke powerplant. And, since it’s factory built, it comes with a warranty, meets emissions standards and has an original equipment manufacturer (OEM) level of testing and development.
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https://snowgoer.com/news/first-impressions-ski-doo-summit-850-e-tec-turbo/28334/
