2021 KTM 450 SX-F vs 2023 KTM 300 SX

Full specifications comparison • 2 motorcycles

Comparing 2 motorcycles
2021 KTM 450 SX-F 2021 KTM 450 SX-F

Cross / motocross

Engine
Single cylinder, four-stroke
Power
N/A
Top Speed
N/A
Weight
220.5 pounds
2023 KTM 300 SX 2023 KTM 300 SX

Cross / motocross

Engine
Single cylinder, two-stroke
Power
N/A
Top Speed
N/A
Weight
N/A
Full Specifications
General
ColoursOrange/white/blackOrange/white/grey
Dimensions
Wheelbase (mm)1485 mm1482 mm
Ground Clearance (in.)14.6 inches13.9 inches
Ground Clearance (mm)370 mm354 mm
Seat Height (in.)37.4 inches37.7 inches
Seat Height (mm)950 mm958 mm
Wheelbase (in.)58.5 inches58.3 inches
Seat Height950 mm / 37.4 in.958 mm / 37.7 in.
Wheelbase1485 mm / 58.5 in.1482 mm / 58.3 in.
Weights & Capacities
Fuel Capacity (l)7.00 litres7.20 litres
Fuel Capacity (gal.)1.85 US gallons1.90 US gallons
Dry Weight (kg)10099.4
Dry Weight (lbs.)220.5 pounds219.1 pounds
Dry Weight100 kg / 220.5 lbs99.4 kg / 219.1 lbs
Fuel Capacity7.00 litres / 1.85 US gallons7.20 litres / 1.90 US gallons
Performance
Power-to-Weight Ratio0.6300 HP/kg-
Engine
Stroke-2-stroke
Bore x Stroke (in,)3.7 x 2.5 inches2.8 x 2.8 inches
Bore x Stroke (mm)95.0 x 63.4 mm72.0 x 72.0 mm
Displacement (cc)449.3 cc293.2 cc
Displacement (ci)27.42 cubic inches17.89 cubic inches
Engine TypeSingle cylinder, four-strokeSingle cylinder, two-stroke
Fuel ControlSingle Overhead Cams (SOHC)-
CO2-64.7 CO2 g/km. (CO2 - Carbon dioxide emission)
Fuel SystemInjectionInjection
Fuel Consumption-2.79 litres/100 km (35.8 km/l or 84.31 mpg)
IgnitionKeihin EMSVitesco Technologies EMS
StarterElectricElectric
Drivetrain
ClutchWet, DDS multi-disc clutch, Brembo hydraulicsWet, DDS multi-disc clutch, Brembo hydraulics
Final DriveChain   (final drive)Chain   (final drive)
Gearbox4-speed5-speed
Primary Drive5/8 x 1/4X-Ring 5/8 x 1/4´ chain
Chassis
Wheel Travel - Front (in.)12.2 inches11.8 inches
Wheel Travel - Front (mm)310 mm300 mm
Wheel Travel - Rear (in.)11.8 inches12.2 inches
Wheel Travel - Rear (mm)300 mm310 mm
Frame Type25CrMo4 steel central-tubeCentral double-cradle-type 25CrMo4 steel
Suspension - FrontWP XACT-USD, Ø 48 mmWP XACT-USD, Ø 48 mm
Suspension - RearWP XACT Monoshock with linkageWP XACT Monoshock with linkage
Rake26.1°26.5°
Wheel Travel - Front310 mm / 12.2 in.300 mm / 11.8 in.
Wheel Travel - Rear300 mm / 11.8 in.310 mm / 12.2 in.
Wheels & Brakes
Brakes - FrontSingle disc. Brake calipers on floating bearingsSingle disc. Brembo 2-piston floating caliper
Brakes - RearSingle disc. Brake calipers on floating bearingsSingle disc. Brembo single-piston floating calliper, brake disc
RimsCNC machined hubs. Excel rims. Wire spoked.-
Tyres - Front-1.60-21