If gold is what you’re after, a 450 SX-F is what you race. Thanks to its compact engine delivering explosive but controllable power, it’s 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-F’s handling while revised clutch plates, lithium-ion battery, and transmission improve reliability. Winner – line up right here.
2018 450 SX-F Highlights
UPDATED WP AER 48 front fork with a sophisticated air spring design and separate damping for easy adjustment to any track condition, rider weight or skill level. A new setting improves damping.
UPDATED rear suspension damping settings are perfectly matched to the WP AER 48 front fork.
NEW radiator guards provide better airflow in muddy conditions.
NEW C4 bearing fitted to the transmission shaft for a bigger overlap in the cases for improved reliability at high operating temperatures.
NEW clutch plates from nitrated steel for reduced wear on the steel clutch basket.
NEW stronger lithium-ion battery provides more reliable starting while still being extremely lightweight.
NEW MIM (Metal Inject Molded) shift star provides a stronger surface for improved reliability.
Handlebar map switch that also activates traction control and launch control for enhanced traction for the start, middle and end of the race
Handlebar clamps feature a separated lower clamp and bridge-type upper clamp for more torsional stiffness.
A lightweight chromoly steel frame provides high torsional rigidity with less longitudinal stiffness resulting in excellent handling and energy absorption
KTM’s “No Dirt” footpeg design keeps the pegs pivot from becoming clogged, ensuring the footpeg is always in the correct position.
Super lightweight Galfer Wave rotors, CNC machined hubs, high-end Excel rims and Dunlop GEOMAX MX3S tires.
Airbox and filter design provides maximum performance with fast “no tools” air filter changes.
“No Dirt” shift lever prevents dirt from fouling the lever joint to ensure proper shifting in any condition.
Engine Type: Single Cylinder, 4-Stroke
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
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
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
* Price shown is based on the manufacturer's suggested retail price (MSRP) and is subject to change. MSRP excludes destination charges, optional accessories, applicable taxes, installation, setup and/or other dealer fees.
Chesterman Power Products - Tillsonburg's KTM Dealer
14493 Bayham Drive, Tillsonburg, Ontario, N4G4G8