2020 Ski-Doo Ski-Doo Summit 165 850 E-TEC Turbo-S The 2020 Ski-Doo Summit 165 850 E-TEC Turbo-S was one of the most advanced mountain sleds of its era and marked a huge milestone for Ski-Doo. It featured the world’s first factory-built turbocharged 2-stroke snowmobile engine, designed specifically for high-elevation deep snow riding. The 2020 Summit 165 850 E-TEC Turbo-S is widely considered one of the most influential modern mountain sleds. It combined the lightweight feel of Ski-Doo’s Gen4 platform with true factory turbo performance, making it especially dominant in high-elevation deep snow riding. Even today, it remains highly desirable for riders who spend most of their time in technical mountain terrain. Features May Include: Standard equipment included: - Heated grips - Brembo hydraulic brake - DESS security system - Underseat storage - Rear rack - Lightweight one-piece hood - LED-style modern mountain bodywork The 2020 model was groundbreaking because it introduced: - The first OEM 2-stroke turbo engine - Factory reliability and warranty with turbo power - No noticeable turbo lag - Strong throttle response even at altitude