Smooth and powerful inline 4 with a 14,000 redline. Bike has 13,920 miles. Very clean bike, with some useful aftermarket accessories listed below. Very fast - keeps up with liter bikes all day. Tires almost brand new. Everything works. Sounds awesomePuig Dark Smoke Racing ScreenTwo Brothers ExhaustHID HeadlightsPower CommanderTail light kit12V accessory plugTank grip pads$4800 or willing to trade for a Suzuki DRZ400S in same shape (excellent)