VS. 
VS. 
The Arctic Cat® Thundercat 1000 is the most powerful 2-stroke on the market and the current sled to beat. It has an estimated 170 horsepower which comes from a massive 999cc, triple-cylinder, 2-stroke engine. A mountain version is this sled is also availabe and pictured above.
This is probably the best competition against the Yamaha® RX-1 although it's a little heavier and doesn't look as cool. The complete specifications on the Thundercat 1000 are listed below.
$10,300 to $10,500 Engine 2-stroke, 999cc Horsepower About 170 Cylinders Three Cooling Liquid Exhaust 3 Tuned Pipes and Canister Ignition 3D Digital Carburation TM 38 with TPS x 3 Clutch Arctic Cat RPM Sensing Brakes
Hydraulic Disk
Front Suspension
Arctic Cat Wishbone Suspension (AWS)
Front Shoks
Arctic Cat Gas IFP Shocks
Front Travel
9.2 Inches
Ski Type
Plastic
Rear Suspesion
Smart-Ride Suspension
Rear Shocks
Smart-Ride Gas Shocks
Rear Travel
13.5 Inches
Dimentions
112 Inches Long x 48 Inches Wide
Track (Inches)
15(W)x121(L)x1.0(H)
Fuel Capacity & Range
12 Gallons, About 100 Mile Range
Dry Weight
583 Pounds
Headlight
3 Bulb Halogen
Standard Equipment
Reverse, Hand and Thumb Warmers, Tachometer, Speedometer, Trip Odometer, Gas Gauge, Oil & Temp. Light.
Optional Equipment
Electric Start, Mirrors, Long Track, High Windshiels, 2-Passenger Seat, Rack, Hitch.