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The Sidewinder S-TX GT EPS produces the most power ever offered in a Yamaha two-up machine. It is simply unrivaled in its overall performance, blurring the line between a sporty trail touring package and all-out lake racer. Powered by the mighty Yamaha Genesis 998 turbo, this fully featured flagship cruiser stands above all other passenger-capable snowmobiles. The addition of Yamaha Electric Power Steering (EPS) reduces rider fatigue. Along with its dual tanks providing extended fuel range, storage capacity for two, plus all the comfort and warmth you'd expect from a luxury sled, there is nothing else quite like it on snow.
Yamaha's newest generation of Electric Power Steering (EPS) has reduced weight by over three pounds and incorporates a "brushless" DC motor for improved reliability and performance. Variable Assist EPS utilizes a magnetic torque sensor that measures steering input based on torsion or 'twist' of the steering post, which is calculated from handlebar input and ski resistance. This data is suppled to an integrated control module which, in turn, signals the brushless servo-motor to assist the steering through its powered, worm-gear drive assembly. All together it gives a more balanced, natural feel or 'connection' to the terrain, and effectively reduces the steering effort required while enhancing predictability for greater rider confidence and less fatigue.
You won't be caught short on a long ride with the convenient, moisture-proof hard storage case and 4.1-gallon / 15.5-liter auxiliary fuel tank. Total fuel capacity is bumped up to 13 gallons / 50 liters, which goes a long way on the trail -- and for your peace of mind.
The Sidewinder S-TX GT sports front Fox QS3 adjustable shocks up front and aluminum body High Pressure Gas (HPG) shocks in the rear, offering fade-free performance to handle all the challenges the trail can dish out.