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Bywood, Pennsylvania
Category
Dirt Bikes
Engine
-
Posted Over 1 Month
2015 Yamaha YZ250FX, 2015 Yamaha YZ250FX RACE WINNING YZ PERFORMANCE TUNED FOR CROSS COUNTRY RACING The all-new YZ250FX offers YZ250F championship-winning technology in a light and powerful machine built to win cross-country races: broad fuel-injected power, compact bilateral beam frame, industry-leading suspension, 18" rear wheel, wide-ratio 6-speed transmission and electric start, it's the new benchmark in 250 cross-country race bikes. Features May Include All-New for 2015 with a revolutionary rearward slanted 250cc, liquid-cooled, DOHC 4-stroke with 4 titanium valves based on the 2015 YZ250F, with an added sixth gear and wide ratio transmission, among other modifications, make it an out-of-the-box Hare Scrambles/GNCC® competition machine. Nearly the same bilateral beam frame that is found on the championship winning YZ250F is used on the FX. It places the engine and fuel tank close to the center mass of the bike for extremely light and nimble handling character. A Keihin 44mm throttle body fuel injection system is tuned for cross-country racing and ensures smooth throttle response and easy starting in nearly all conditions. Industry leading KYB® air/oil separation Speed Sensitive System forks and a KYB® rear shock suspension with settings designed specifically for cross country racing. With a 2 gallon fuel tank, 18-inch rear wheel and XC racing tires, the YZ250FX is ready to win right out of the box. The YZ250FX is the first YZ to feature electric start which helps reduce rider fatigue. The revolutionary, rearward slanted, high-performance liquid-cooled, 4-stroke, 4-valve, fuel-injected engine has been tuned to challenge for race victories in the very competitive GNCC and Hare Scrambles race series. The position of the engine moves the rotational mass of the cams towards the center of the bike which allows for a straight shot, down draft intake and straight exhaust port for ultimate performance. This keeps air box up high, out of dust and mud/water. The fuel injection system uses 3-D mapped electronic control for the fuel and ignition timing that are optimized for cross-country racing. A 6-speed wide-ratio transmission is used to insure the right gear is selected for a wide variety of terrain found in cross country racing. The clutch plate material, springs, push lever and oil valve are optimized for cross-country racing. Push button electric start makes starting the YZ250FX easy and convenient. An all aluminum bilateral beam frame similar to the YZ250F provides strength, lightness and durability for race conditions. Industry favorite KYB® air/oil separate Speed Sensitive System spring forks with Kashima coating and KYB® rear shock, also with Kashima coating and featuring a large 50mm piston. Both the forks and rear shock ar
