2011 Yamaha YZ450F vs 2023 KTM 250 SX

Full specifications comparison • 2 motorcycles

Comparing 2 motorcycles
2011 Yamaha YZ450F 2011 Yamaha YZ450F

Cross / motocross

Engine
Titanium valves
Power
N/A
Top Speed
N/A
Weight
245.0 pounds
2023 KTM 250 SX 2023 KTM 250 SX

Cross / motocross

Engine
Single cylinder, two-stroke
Power
N/A
Top Speed
N/A
Weight
99.4 kg / 219.1 lbs
Full Specifications
General
ColoursWhite/Red, Team Yamaha Blue/White)Orange/white/grey
Warranty30 Day (Limited Factory Warranty)-
Dimensions
Width (mm)823 mm-
Width (in.)32.4 inches-
Wheelbase (mm)1,491 mm1495 mm
Wheelbase (in.)58.7 inches58.9 inches
Seat Height (mm)998 mm958 mm
Seat Height (in.)39.3 inches37.7 inches
Length (mm)2,192 mm-
Length (in.)86.3 inches-
Height (mm)1,311 mm-
Height (in.)51.6 inches-
Ground Clearance (mm)381 mm354 mm
Ground Clearance (in.)15.0 inches13.9 inches
Seat Height998 mm / 39.3 in.958 mm / 37.7 in.
Wheelbase1,491 mm / 58.7 in.1495 mm / 58.9 in.
Height1,311 mm / 51.6 in.-
Length2,192 mm / 86.3 in.-
Width823 mm / 32.4 in.-
Weights & Capacities
Wet Weight (lbs.)245.0 pounds-
Wet Weight (kg)111.1 kg-
Oil Capacity (Quarts)0.08 quarts-
Oil Capacity (l)1.20 litres-
Fuel Capacity (l)6.17 litres7.20 litres
Fuel Capacity (gal.)1.63 gallons1.90 US gallons
Dry Weight (lbs.)-219.1 pounds
Dry Weight (kg)-99.4
Dry Weight-99.4 kg / 219.1 lbs
Fuel Capacity6.17 litres / 1.63 gallons7.20 litres / 1.90 US gallons
Wet Weight111.1 kg / 245.0 lbs-
Performance
Mods from previous modelNew clutch lever and pushrod for more consistent clutch feel during long motos.-
Engine
Bore x Stroke (mm)97.0 x 60.8 mm66.4 x 72.0 mm
Bore x Stroke (in,)3.8 x 2.4 inches2.6 x 2.8 inches
Displacement (ci)27.40 cubic inches15.19 cubic inches
Engine TypeSingle cylinder, four-strokeSingle cylinder, two-stroke
Fuel ControlDOHC-
Displacement (cc)449.00 cc249.0 cc
Engine DetailTitanium valvesReed intake
Fuel SystemInjection. Yamaha Fuel Injection (YFI), Keihin 44mm-
Compression Ratio12.5:1-
Engine LubricationDry sump-
IgnitionCDIVitesco Technologies EMS
StarterElectricElectric
Valve System4-
Drivetrain
Clutch-Wet, DDS multi-disc clutch, Brembo hydraulics
Final DriveChainChain   (final drive)
Gearbox5-speed5-speed
Primary Drive2WD; Sealed O-Ring Chain, Eccentric Adjustment5/8 x 1/4´ chain.
Chassis
Wheel Travel - Front (mm)-310 mm
Wheel Travel - Front (in.)-12.2 inches
Wheel Travel - Rear (mm)315 mm300 mm
Wheel Travel - Rear (in.)12.4 inches11.8 inches
Frame Type-Central double-cradle-type 25CrMo4 steel
Suspension - FrontKYB Speed-Sensitive System, inverted fork: fully adjustable, 12.2-in travelWP XACT-USD, Ø 48 mm
Suspension - RearKYB Fully adjustable single shockWP XACT Monoshock with linkage
Rake-26.1°
Wheel Travel - Front-310 mm / 12.2 in.
Wheel Travel - Rear315 mm / 12.4 in.300 mm / 11.8 in.
Electrical Systems
Lighting systemDual 30W Krypton multireflector Headlights and 3.9/0.5W LED Brake light-
Wheels & Brakes
Brakes - Rear Diameter (mm)245 mm-
Brakes - Front Diameter (in.)9.8 inches-
Brakes - Front Diameter (mm)250 mm-
Brakes - Rear Diameter (in.)9.6 inches-
Brakes - FrontSingle discSingle disc
Brakes - RearSingle discSingle disc
Rims-CNC machined hubs. Excel rims. Wire spoked. Dunlop Geomax MX 3S tires.
Tyres - Front80/100-2180/100-21
Tyres - Rear120/80-19-