Summit® X® 146 Rotax® 800R Power T.E.K.IT TAKES MILLIONS OF YEARS TO CREATE A MOUNTAIN. WE'VE BUILT A SLED THAT TAKES MINUTES TO CONQUER IT.At an unbelievable 439 pounds, say hello to the mountain sled born to dominate any elevation. The Summit® Everest combines a remarkable 151-horsepower Rotax® 800R Power T.E.K. engine with the ultra-light REV-XP™ chassis for a stunning power-to-weight ratio of 2.84 pounds per horsepower. Plus, we've added the most efficient two-stroke engine out there, the new cleaner-burning Rotax 600 H.O. E-TEC, which has better fuel and oil economy with less smoke and smell than any other two-stroke engine. We've also improved your ride with a new 163-inch PowderMax track option to help you rip through steep inclines with ease. So grab a map, circle the biggest mountain you can find and introduce it to the 2009 Summit. It won't be disappointed, and neither will you.Spring-Only Summit X sleds shed even more weight while adding race-bred features, such as HPG Take-Apart aluminum shocks, multi-function analog/digital gauge, race-style brake pads, steel-braided brake line, low windshield and more. Plus there's a cool new white/blue color combination.SUMMIT X 146The ultimate mountain machine with race-bred lightweight and high performance features.