If gold is what youre after, a 450 SX-F is what you race. Thanks to its compact engine delivering explosive but controllable power, its the weapon of choice for the Red Bull KTM Factory Team and 4-time AMA Supercross Champion, Ryan Dungey. Precise handling from a lightweight and agile chassis matched the arm-stretching grunt of the to a compact SOHC engine make for an unrivaled 450-class weapon. For 2018, updated suspension damping settings improve the SX-Fs handling while revised clutch plates, lithium-ion battery, and transmission improve reliability. Winner line up right here.
Engine Type: Single Cylinder, 4-Stroke Displacement: 449.9cc Bore/Stroke: 95.0/63.4 mm Compression Ratio: 12.7.5:1 Starter/Battery: Electric Starter / 12V, 2.2 Ah Transmission: 5 Gears Fuel System: Keihin EFI, 44mm Throttle Body Lubrication: Pressure lubrication with 2 oil pumps Primary Ratio: 31:76 Final Drive: 13:48 Cooling: Liquid Cooling Clutch: Wet Multi-Disc DDS-Clutch, Brembo Hydraulics Ignition: Keihin EMS
Frame: Central Double-Cradle Type 25CrMo4 Steel Subframe: Aluminum Handlebar: Neken, Aluminum Ø 28/22mm Front Suspension: WP Suspension AER 48 USD Ø 48mm Rear Suspension: WP Monoshock 5018 BAVP DCC with Linkage Suspension Travel Front/Rear: 310 mm / 12.2 in; 300 mm / 11.81 in Front/Rear Brakes: Disc Brake 260 mm / 10.24 in; 220 mm / 8.66 in Front/Rear Rims: 1.60x 21 / 2.15 x 19 Excel Front/Rear Tires: 80/100-21 / 120/90-19 Dunlop MX3S Chain: 5/8 x 1/4 in Silencer: Aluminum Steering Head Angle: 26.1º Triple Clamp Offset: 22 mm Wheelbase: 1,485mm ± 10 mm / 58.5 ± 0.4 in Ground Clearance: 370mm / 14.6 in Seat Height: 960 mm / 37.8 in Tank Capacity, Approx: 7 L / 1.85 gal Weight (without fuel), Approx: 100.6 kg/ 221.8 lbs
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