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Experience the thrill of the 2024 Yamaha Sidewinder S-TX GT EPS, a snowmobile designed for those who crave the ultimate in performance and precision on the winter trails.

  • PREMIUM FOX ZERO QS3 FRONT SHOCKS: 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.
  • REAR HARD CASE WITH AUXILIARY FUEL TANK: 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 your peace of mind).
  • YAMAHA ELECTRIC POWER STEERING – ‘EPS’: Yamaha introduced EPS for snowmobiles in 2011, pioneering the innovative technology that both reduces steering effort and increases steering precision. The newest generation has reduced weight by over three pounds and incorporates a ‘brushless’ DC motor. No brushes to wear out means greater reliability and much better thermal performance or ability to maintain full output power for longer periods of time. Variable assist EPS utilizes a magnetic torque sensor to measure steering input based on torsion or ‘twist’ of the steering post resulting from handlebar input combined with ski resistance. The contactless, magnetic torque sensor supplies this data to an integrated control module which in turn, signals the brushless servo-motor to assist the steering through its powered, worm-gear drive assembly. The system also provides engine RPM and vehicle speed data to the control module which calibrates for increased assistance at lower speeds then tapers off as the vehicle accelerates giving a more balanced, natural feel or ‘connection’ to the terrain. When the skis encounter an abrupt force that works against the steering input, the torque sensor alerts the control module to apply additional assistance to counteract or ‘resist’ the negative input. This effectively reduces the steering effort required while enhancing predictability for greater rider confidence and less fatigue.

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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.


  • Both driver and passenger are provided convenient RCA DC outlets for heated helmet visors plus a socket type outlet located in the console to power-up other 12V accessories.
  • Both driver and passenger stay toasty warm with independently controlled hand warmers. The passenger also gets functional wind deflectors added to the padded rear grab bars to help keep the elements away from their hands.
  • The medium smoked polycarbonate windshield was designed to shield the high-mileage rider from the coldest days. The windshield incorporates a small lip at the top to deflect wind and snow up and over the rider at speed, while flared edges provided added protection and warmth for your hands. The GT windshield was also designed to accommodate optional mirrors. The windshield is thicker than standard windshields to reduce mirror vibration at speed and features pre-marked indents for an easy installation of the accessory mirrors.
  • The handlebar controls feature a left-hand switch cluster which allows for ‘on-the-fly’ access to the multi-step hand and thumb warmer adjusters. Information available on the multi-function gauge can be easily selected with a convenient toggle switch and the push button electric start, reverse gear switch is also located in the left-hand cluster. The right side of the bar is clean with an ergonomically shaped throttle lever and simple, stand-alone emergency stop switch. The Hayes ‘Stealth’ brake cylinder is equipped with a composite brake lever providing great modulation for better feel and powerful stopping performance.


  • The effect of four-stroke engine braking when the throttle valves are closed has a significant impact on handling and ride character. Yamaha developed a special system which employs the Idle Speed Control Circuit (ISC) and ECU map using throttle valve movement and RPM information to reduce negative intake pressure during deceleration.
  • Regarded as the best high-performance terrain track available, the 146-inch x 1.25-inch lug design of the RipSaw I delivers incredible acceleration, braking control, and handling in a wide variety of conditions.
  • 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.
  • The Yamaha designed single keel ski strikes the elusive balance between lightweight steering effort and precision handling over a wide range of snow conditions. Special staggered carbides further enhance steering response. A unique EPS shim pad assembly works in conjunction with the rubber saddle block to adjust the carbide pressure point. Overall ski stance is also adjustable by relocating the thick spacer located on each ski axle to the opposite side.


  • Yamaha engineers wanted an engine that’s exceptionally quick to respond with little or no ‘lag’ as found in a conventional turbo. One of the ways they achieved their goal was to develop an intake system using three separate throttle bodies positioned very close to the intake valves, instead of just one feeding long intake tubes. It’s an innovation not seen in any other production turbo on the planet, and another first for Yamaha with the Genesis turbo.
  • The nickel alloy turbine body is extremely strong and precise, able to withstand highly elevated temperatures. Supported by premium, ceramic ball bearings the Inconel turbine blade assembly is very light and strong. This yields a low moment of inertia for lightning quick response to exhaust gas input. Triple throttle bodies are used exclusively to further enhance the quick delivery of compressed air from the impeller to intake valves.
  • The Yamaha-developed Mitsubishi ECU uses a series of nine sensors to gather running condition data which it computes using a predetermined memory ‘map’. It then adjusts ignition timing, fuel delivery, manifold air pressure and turbo boost pressure to produce maximum performance under any condition—reliably.
  • The YSRC primary and roller secondary clutches are calibrated for durable, cool operation. They harness and transfer the massive torque produced by the Genesis Turbo efficiently to the track while minimizing drive belt wear. The primary shifts out aggressively to use all the power on tap while the roller secondary is quick to back-shift and provides additional ratio through its oversize sheaves to keep accelerating long after the others have signed off.
  • The SRV chassis combines a load-bearing triangulated structure with lightweight aluminum construction to create a neutrally balanced sled that’s centered on the rider. The pyramidal upper frame creates chassis strength without excessive weight.

Dominating Power and Speed

Elevate your snowmobiling adventures with the incredible power of the Sidewinder S-TX GT EPS. Its high-performance engine delivers an exhilarating combination of speed and torque, ensuring you dominate any snowy terrain. Feel the rush as you accelerate with confidence, thanks to cutting-edge engineering that sets this snowmobile apart from the rest.

Precision Handling for Unmatched Control

Navigate the twists and turns of winter landscapes with unparalleled precision. The Sidewinder S-TX GT EPS features advanced suspension and handling technology, providing a responsive and stable ride. Whether you’re cruising through open fields or maneuvering tight corners, this snowmobile offers control like never before, enhancing your overall riding experience.

Comfort Redefined

Embark on extended journeys with comfort as your constant companion. The ergonomic design of the Sidewinder S-TX GT EPS ensures a comfortable and fatigue-free ride, allowing you to focus on the joy of the trail. From the heated seat to the adjustable handlebars, every detail is crafted to enhance your comfort during long rides in the winter wonderland.

Style Meets Substance

Elevate your snowmobiling experience with the stylish and functional design of the 2024 Yamaha Sidewinder S-TX GT EPS.

Sleek Aesthetics

Stand out on the trails with a snowmobile that not only performs exceptionally but also turns heads. The Sidewinder S-TX GT EPS boasts a sleek and modern design, combining aesthetics with aerodynamics. Make a statement with a machine that reflects your passion for both style and adventure.

Versatile Storage Options

Practicality meets style with convenient storage options tailored to your needs. Whether it’s a day trip or a weekend excursion, the Sidewinder S-TX GT EPS provides ample storage space for your essentials. Carry your gear with ease and in style, ensuring nothing holds you back from exploring the winter landscape.

Illuminating the Night

Extend your riding hours into the night with advanced lighting features. The LED headlights not only enhance visibility but also add a touch of sophistication to your snowmobile. Illuminate the path ahead and ride confidently, knowing that style and safety go hand in hand with the Sidewinder S-TX GT EPS.

Unmatched Technology

Embark on a journey where cutting-edge technology meets the thrill of the winter trails with the 2024 Yamaha Sidewinder S-TX GT EPS.

Smart Connectivity

Stay connected even in the remote winter wilderness. The Sidewinder S-TX GT EPS integrates smart technology, allowing you to access essential information at your fingertips. Monitor performance, track your route, and stay connected with fellow riders, enhancing both safety and enjoyment on your snowmobiling adventures.

Intuitive Control Panel

Command your snowmobile effortlessly with the user-friendly control panel. Adjust settings, monitor vital statistics, and customize your ride with ease. The intuitive interface ensures that you are always in control, providing a seamless and enjoyable experience every time you hit the snow-covered trails.

Enhanced Safety Features

Prioritize safety without compromising on excitement. The Sidewinder S-TX GT EPS comes equipped with advanced safety features, including responsive brakes and stability control. Ride with confidence, knowing that Yamaha’s commitment to safety is embedded in every aspect of this high-performance snowmobile.

File:Yamaha Motor Co logo.svg - WikipediaFile:Yamaha Motor Co logo.svg - Wikipedia


Additional information








Sidewinder S-TX GT EPS




Ink Blue / Frost Silver


Turbo 4-stroke Class – Ultra performance

Fuel System

Intelligent Throttle Control (iTC™) with Electronic Fuel Injection (EFI)




Hayes Stealth brake cylinder is equipped with a composite brake lever


998 cc


Push button electric


Gear switch

Fuel Capacity

13.5 gal. (51.1 l) combined

Frame Type

SRV chassis


Multi-function gauge

Item Dimensions LxWxH

146 x 15 x 1.25 in

Ski Stance

42 in. (1,067 mm) adjustable


Yamaha Stryke single keel


Electric power steering (EPS) Multi-step hand and thumb warmer adjusters


Medium smoked polycarbonate windshield, RCA DC outlets, padded rear grab bars


Front – Fox Zero QS3 1.5 Center / Rear – Monotube Alum-HP Gas 1.5

Front Suspension

Independent double wishbone Travel – 10 in. (254 mm)

Rear Suspension

Dual load 146 Travel – 14.5 in. (368 mm)


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