2021 KTM 450 SX-F Factory Specs

motorcycle specs

These are the known mechanical and performance specifications for your 2021 KTM 450 SX-F Factory.

Basic Specs

KTM 450 SX-F Factory
Year2021
MakeKTM
ModelKTM 450 SX-F Factory
Cost

Engine

Displacement449.3 ccm (27.42 cubic inches)
Type
DetailsSingle cylinder, four-stroke
Max RPM
Compression
Bore/Stroke95.0 x 63.4 mm (3.7 x 2.5 inches)
Valves/Cylinder
FuelingInjection
IgnitionKeihin EMS
ExhaustAkrapovič Slip-On silencer
Lubrication
CoolingLiquid

Drivetrain

Gearbox4-speed
Final Drive
ClutchWet, DDS multi-disc clutch, Brembo hydraulics
Driveline5/8 x 1/4

Performance

Horespower63.0 HP (46.0 kW)
Torque
Top Speed

Fuel Economy & Polution

Fuel Consumption
Fuel Capacity7.00 litres (1.85 US gallons)
Emissions

Chassis

Frame Type25CrMo4 steel central-tube
Rake26.1 deg
Trail
Front SuspensionWP XACT-USD, Ø 48 mm
Front Travel310 mm (12.2 inches)
Rear SuspensionWP XACT Monoshock with linkage
Rear Travel300 mm (11.8 inches)
SeatFactory seat with Selle Dalla Valle logo
Seat Height950 mm (37.4 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height
Total Length
Total Width
Ground Clearance370 mm (14.6 inches)
Wheelbase1485 mm (58.5 inches)
Dry Weight100.5 kg (221.6 pounds)
Wet Weight

Wheels & Brakes

Front Tire/Tyre
Rear Tire/Tyre
Front BrakesSingle disc. Brake calipers on floating bearings
Front Brake Diameter260 mm (10.2 inches)
Rear BrakesSingle disc. Brake calipers on floating bearings
Rear Brake Diameter220 mm (8.7 inches)
WheelsKTM Factory wheels. Wire spoked.

Comments

It appears you're interested in specifications for the KTM 450 SX-F Factory. This Cross / motocross model is powered by a Single cylinder, four-stroke engine with 449.3 ccm (27.42 cubic inches) of actual displacement before compression. Fueling is metered via Injection allowing this machine to produce its 63.0 HP (46.0 kW) horsepower and torque. According to our records engine heat of the KTM 450 SX-F Factory is moderated by Liquid. You'll need to get familiar with the 4-speed transmission and pay attention to final drive maintainence. Our best information shows that the front tire size is and the rear is . The entire package is supported by the frame, 25CrMo4 steel central-tube . We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Single disc. Brake calipers on floating bearings front brakes and Single disc. Brake calipers on floating bearings rear brakes. The KTM 450 SX-F Factory was launched in 2021, and we're happy to know (or assume) you've got one in your garage. To help you keep your ride in tip-top shape, consider purchasing an owner or service manual.

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