2021 KTM 450 SX-F vs 2022 Yamaha YZ450F

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
2022 Yamaha YZ450F 2022 Yamaha YZ450F

Cross / motocross

Engine
Titanium-valves
Power
N/A
Top Speed
N/A
Weight
245.0 pounds
Full Specifications
General
Comments-Launch control. Power Tuner via smartphone.
ColoursOrange/white/blackTeam Yamaha Blue
Warranty-30 Day Limited Factory Warranty
Dimensions
Ground Clearance (in.)14.6 inches13.0 inches
Ground Clearance (mm)370 mm330 mm
Seat Height950 mm / 37.4 in.965 mm / 38.0 in.
Wheelbase1485 mm / 58.5 in.1486 mm / 58.5 in.
Height-1285 mm / 50.6 in.
Length-2184 mm / 86.0 in.
Width-826 mm / 32.5 in.
Weights & Capacities
Oil Capacity (l)-1.00 litres
Oil Capacity (Quarts)-1.06 US quarts
Dry Weight100 kg / 220.5 lbs-
Fuel Capacity7.00 litres / 1.85 US gallons6.06 litres / 1.60 US gallons
Wet Weight-111.1 kg / 245.0 lbs
Performance
Power-to-Weight Ratio0.6300 HP/kg-
Engine
Displacement (ci)27.42 cubic inches27.40 cubic inches
Bore x Stroke (mm)95.0 x 63.4 mm97.0 x 60.9 mm
Bore x Stroke (in,)3.7 x 2.5 inches3.8 x 2.4 inches
Engine TypeSingle cylinder, four-strokeSingle cylinder, four-stroke
Fuel ControlSingle Overhead Cams (SOHC)Double Overhead Cams/Twin Cam (DOHC)
Displacement (cc)449.3 cc449.0 cc
Engine Detail-Titanium-valves
Fuel SystemInjectionInjection. Mikuni® fuel injection, 44mm
Compression Ratio-13.0:1
Engine Lubrication-Wet sump
IgnitionKeihin EMSTCI: Transistor Controlled Ignition
Spark Plug-NGK CPR8EA-9
StarterElectricElectric
Valve System-4
Drivetrain
Chain Size-520
ClutchWet, DDS multi-disc clutch, Brembo hydraulicsMultiplate wet clutch
Final DriveChain   (final drive)Chain   (final drive)
Gearbox4-speed5-speed
Primary Drive5/8 x 1/4-
Chassis
Frame Type25CrMo4 steel central-tubeBilateral beam frame, aluminum
Suspension - FrontWP XACT-USD, Ø 48 mmKYB Speed-Sensitive System, inverted fork: fully adjustable
Suspension - RearWP XACT Monoshock with linkageKYB® single shock; fully adjustable
Rake26.1°26.9°
Seat-Long, two-tone, motocross-style seat
Trail-119 mm / 4.7 in.
Wheel Travel - Front310 mm / 12.2 in.310 mm / 12.2 in.
Wheel Travel - Rear300 mm / 11.8 in.318 mm / 12.5 in.
Wheels & Brakes
Brakes - FrontSingle disc. Brake calipers on floating bearingsSingle disc. Hydraulic.
Brakes - RearSingle disc. Brake calipers on floating bearingsSingle disc. Hydraulic.
Brake Fluid Type-DOT 4
RimsCNC machined hubs. Excel rims. Wire spoked.-
Tyres - Front-80/100-21

Verdict

Too close to call

The 2021 KTM 450 SX-F and the 2022 Yamaha YZ450F are evenly matched across the key measurable criteria. Your decision comes down to personal preference, riding style, and which brand's dealer network best suits your location.

Key Differences

2021 KTM 450 SX-F - Advantages

  • More ground clearance: 370 mm vs 330 mm - better clearance over rocks and obstacles.

2022 Yamaha YZ450F - Advantages

  • More rear wheel travel: 318 mm vs 300 mm - absorbs bigger hits and rough terrain better.

2021 KTM 450 SX-F vs 2022 Yamaha YZ450F - FAQs

Which bike is better for shorter riders, the 2021 KTM 450 SX-F or the 2022 Yamaha YZ450F?
The 2021 KTM 450 SX-F has the lower seat at 950 mm, making it more accessible. The 2022 Yamaha YZ450F sits higher at 965 mm. A seat height below 800 mm suits most riders; above 820 mm shorter riders may need to tiptoe.
Which should I buy, the 2021 KTM 450 SX-F or the 2022 Yamaha YZ450F?
Both are strong choices. The 2021 KTM 450 SX-F has the edge in greater ground clearance, while the 2022 Yamaha YZ450F stands out for higher rear wheel travel. Visit dealers, arrange test rides, and factor in local parts and service costs - these often matter as much as the spec sheet.