Yamaha YFZ 450X 2011 Info
Engine Type449cc, 4-Stroke Single, Liquid Cooled w/ Fan, Titanium 5-Valve DOHC
Bore x Stroke95mm x 63.4mm
Compression Ratio11.6:1
Fuel DeliveryYamaha Fuel Injection (YFI), 42mm
IgnitionDigital TCI: Transistor Controlled Ignition
Starting SystemElectric
Transmission5-Speed Manual Clutch
Drive Train2WD; Sealed O-Ring Chain, Eccentric Adjustment
Chassis Suspension/FrontIndependent double wishbone, w/Kashima coated piggyback shocks, High/Low speed compression, rebound and threaded preload adjustment, 9.4-in travel
Suspension/RearCast aluminum swingarm w/piggyback High/Low speed compression, rebound and threaded preload adjustment, 11.0-in travel
Brakes/FrontDual Ventilated Hydraulic Disc, Twin Piston
Brakes/RearWave Style Ventilated Hydraulic Disc, Twin Piston
Tires/FrontAT21x7-10 Radial
Tires/RearAT20x10-9 Radial
Dimensions L x W x H70.7 x 46.1 x 41.9 in
Seat Height31.9 in
Wheelbase50.0 in
Ground Clearance4.5 in
Fuel Capacity2.6 gal
Wet Weight400 lb
LightingDual 30W Krypton multireflector Headlights and 3.9/0.5W LED Brake light
Warranty6 Month (Limited Factory Warranty)
Color - Team Yamaha Blue/White