SIDEWINDER S-TX GT
Sidewinder S-TX GT produces the most power ever offered in a Yamaha 2-up machine. It absolutely blurs the line between a sporty trail touring package and all out lake-racer. Powered by the mighty Yamaha Genesis 998 turbo, this fully featured flag-ship cruiser stands above all other passenger capable snowmobiles. Extended fuel range, storage capacity for two, plus all the comfort and warmth you'd expect from a luxury sled are a given. Rocket past your buddy's racy big twin with turbo-charged authority.

Deluxe 2-Piece Heated King Queen Seat

A plush 2-up heated seat provides the ultimate in warmth and comfort on even the coldest of winter days. A simple flip of the dash-mounted switch allows you to choose from two settings of warmth and your passenger has their own controls. The passenger also gets a fully adjustable backrest.

Premium Fox QS3 Front Shocks
The Sidewinder S-TX GT sports front Fox QS3 adjustable shocks up front and aluminum body HPG ( High Pressure Gas) shocks  in the rear, offering fade free performance to handle all the challenges the trail can dish out.

• 146 Dual Load Rear Suspension
• Deluxe 2-Piece Heated King Queen Seat
• Rear Hard Case with Auxiliary Fuel Tank
• 998 Genesis Turbo Engine
• Premium Fox QS3 Front Shocks.
• Front / Rear Adjustable Hand Warmers
• Deluxe GT Series Wind Deflector

• Yamaha 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 — something that is 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 9 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 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.

• The effect of 4-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 ISC (idle speed control) circuit 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  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 HPG ( High Pressure Gas) shocks  in the rear, offering fade free performance to handle all the challenges the trail can dish out.
• The new Yamaha design, single keel ski, strikes the elusive balance between lightweight steering effort and precision handling over a wide range of snow conditions. Unique, tapered carbides further enhance steering response. A unique 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.