2012 Ktm 500 XC-W, Off road version of the EXC - 500 XC W 2012 For those who want the biggest beast and most powerful machine of the XC-W line, the 500 XC-W is knocking at your door. New for 2012: New SOHC EFI engine tuned for enduro riding that is 5.5 lbs lighter than the previous engine New cylinder head with new inlet and exhaust port design as well as a new combustion chamber design and new water jacket New valve chain guide and new spring loaded mechanical chain tensioner with a ratchet stop for a simpler and lighter weight design New lighter weight die-cast cases made of a special alloy New single oil circuit for easier maintenance New multi-function balancer shaft to keep the engine narrow and reduce weight New lighter piston and PANKL con rod Newly developed lightweight single diaphragm spring clutch unit with steel billet basket for unbeatable reliability 6-speed enduro gearbox for precise shifting New electric start system (plus kick start) and stronger 196W stator Completely new frame design with PDS that reduces longitudinal stiffness New one-piece cast aluminium swingarm with excellent flex characteristics New WP PDS mono shock (7mm longer) with new preload adjuster WP 48mm USD forks received new oil and dust seals by SKF and new bushings with improved Teflon coating for better sensitivity and durability New silencer and larger volume spark arrestor for lower noise level New 2.51 gallon/ 9.5 liter translucent fuel tank with integrated fuel pump and regulator New competition headlight and taillight New intake boot that provides great power and extra protection for Twin-Air filter which still has the same quick change, no-tools access air filter change process New bodywork including a white airbox, white rear number plates, and a redesigned reinforced rear fender for perfect ergonomics and excellent contact points New handguard mount and flag design New Excel AL7 rims with silver anodized stripes, zinc/nickel coated spokes, aluminium nipples and high-end CNC machined hubs New integrated routing for the cooling system for better airflow New auxiliary radiator fan for improved cooling New Dunlop GEOMAX MX51 front and rear tires