2010 Yamaha YFZ450X, Call 503-769-8888 2010 Yamaha YFZ450X Key Features: 1. For the ATV riders who need a machine that can dominate the tight GNCC® race courses...look no more, the YFZ450X is here! Boasting many similarities with the YFZ450R, the X version is more compact for tight trails, race course, and woods riding. 2. Fatigue can sometimes be a racer s worst competition. That s why the YFZ450X s designers made this ATV so comfortable. It boasts racer-friendly ergonomics with plenty of room to hang off in the corners, and the seat is padded just right to be more comfortable regardless of riding position. Handlebars are 4-position adjustable, too, so every rider can choose the best position, and the throttle has been designed for all day comfort. 3. This 449cc engine uses a titanium five-valve cylinder head technology, with a camshaft designed just for this machine to deliver abundant low to midrange torque for performance where you can really use it to take the lead while still maintaining a super strong top end to let you pull away from the pack. 4. The YFZ450X incorporates Yamaha Fuel Injection for precise fuel delivery. With big 42mm Mikuni® throttle body and 12-hole injector, this system provides exceptional atomization of the fuel for maximum power. The system also includes ISC (Idle Speed Control) for easy, reliable start-up and warming. 5. This ATV is designed to make race prep easy. Body panels come off easily for service; there s no need to remove the battery or other components to get the fenders off. The aluminum frame is bolted together, rather than welded, for maximum durability. And the oil tank is integrated with the crankcase so it s easier to service the engine. Features & Benefits Engine: The fuel-injected 449cc engine has superb power characteristics. Power delivery is smooth and strong off the line with lots of low and midrange where you need it. The crankcase holds a crankshaft that s ready to handle the increased balance ratio, as well as a counterbalancer for superior vibration control. The crankcase also houses the oil tank, which helps to centralize mass for unmatched handling and makes maintenance easier. Camshafts are designed to maximize the torque available in the low and mid ranges. Fuel injection uses a 12-hole injector that provides exceptional atomization of the fuel for maximum combustion efficiency and power delivery. The system also uses a big, 42mm Mikuni® throttle body and includes ISC (Idle Speed Control) for easy, reliable start-up and warming. Chassis/Suspension: The chassis is very spacious, allowing room for even an aggressive racer to move around, and the ATV s body panels that the rider contacts during operation are of a special, softer plastic material for greater comfort. The seat is narrow in the front, yet wide and padded in the rear to provide a m
