Yamaha announced a newborn addition to its sport ATV lineup with its YFZ450X, a trail-specialist replacement of the YFZ450. The newborn design utilizes the same engine and action capabilities of its MX and dune-jumping YFZ450R sibling, but with a slimmer size and revised suspension. The newborn model retails for $8499 and will be acquirable beginning in September.
2010 Yamaha YFZ450X ATV
2010 Yamaha YFZ450X ATV
The all-new Yamaha YFZ450X replaces the YFZ450 and is fashioned specifically for tighter technical trail riding.
Powering the 450X is the 449cc Single housed in the 450R Yamaha ATV. Sourcing a five-valve cylinder head, the fuel injected works pumps gas through a 42mm Mikuni throttle embody and 12-hole Denso injector. The X gets EFI settings “specifically fashioned for those situations unique to technical woods riding.”
The YZ450X carves tight trails and confining terrain with a 46.1 progress girth, 2.7-inch narrower than the 48.8 progress 450R. On crowning of existence skinnier, Yamaha brags an “optimized” support for technical terrain. The face A-arm is 44mm shorter, as are the KYB shocks, which are 426mm long versus the 462mm units on the 450R. The rear swingarm and fully-adjustable 46mm KYB shock take tending of support discover back.
The chassis alterations promise to “allow the YFZ450X to soak up bumps while also allowing the rider great handling through tight, technical terrain.” The changes to the X also revilement five lbs too, at a claimed 400 lbs wet – dropping the weight thanks to the support changes and updated wheels. Wrapped on the newborn hoops, now more rigid with the seam of the rotate pronounceable inward, are Dunlop radial tires (21-inch front, 20-inch rear).
The rest of the 450X spec sheet is nearly identical to the 450R. The same no-weld cast metal inclose completes the chassis. Dual hydraulic round face brake and azygos rear rotor team are high by dual-piston calipers on both YFZs. The 2.6 congius tank, 4.5-inch ground clearance, 31.9-inch seat peak and 50-inch wheelbase are also identical – not to name the $8499 MSRP.
Yamaha expects the newborn YZ450X to be acquirable Sept 2009. A primary Bill Balance edition of the YFZ450X is expected in October, with an player $300 effort primary graphics, rotate and shock colors, GYTR bumper up face and Number-1 plate commemorating Balance’s numerous GNCC Pro ATV Titles.
2010 Yamaha YFZ450X ATV
GNCC fans can possess the Bill Ballance replica version of the newborn YFZ450X for an player $300.
2010 Yamaha YZF450X Specs
Engine: 449cc, 4-Stroke Single, Liquid Cooled w/ Fan, Titanium 5-Valve DOHC
Bore x Stroke: 95mm x 63.4mm
Compression Ratio: 11.6:1
Fueling: Yamaha Fuel Injection (YFI), 42mm
Ignition: Digital TCI: Transistor Controlled Ignition
Starting System: Electric
Transmission: 5-Speed Manual Clutch
Drive Train: 2WD; Sealed O-Ring Chain, Eccentric
Front Suspension: Independent threefold wishbone, w/Kashima coated pickaback shocks, High/Low speed compression, rebound and threaded preload adjustment, 9.4-in travel
Rear Suspension: Cast metal swingarm w/piggyback High/Low speed compression, rebound and threaded preload adjustment, 11.0-in travel
Front Brakes: Dual Ventilated Hydraulic Disc, Twin Piston
Rear Brakes: Wave Style Ventilated Hydraulic Disc, Twin Piston
Front Tires: AT21x7-10 Radial
Rear Tires: AT20x10-9 Radial
Dimensions: 70.7 Length x 46.1 width x 41.9 Height
Seat Height: 31.9 in
Wheelbase: 50.0 in
Ground Clearance: 4.5 in
Fuel Capacity: 2.6 gal
Wet Weight: 400 lb
Lighting: Dual 30W Krypton multireflector Headlights and 3.9/0.5W diode Brake light
