2011 Yamaha YZ450F vs 2023 KTM 450 SX-F

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 450 SX-F 2023 KTM 450 SX-F

Cross / motocross

Engine
Single cylinder, four-stroke
Power
N/A
Top Speed
N/A
Weight
N/A
Full Specifications
General
ColoursWhite/Red, Team Yamaha Blue/White)Orange/white/grey
Warranty30 Day (Limited Factory Warranty)-
Dimensions
Ground Clearance (in.)15.0 inches13.5 inches
Ground Clearance (mm)381 mm343 mm
Height (in.)51.6 inches-
Length (in.)86.3 inches-
Length (mm)2,192 mm-
Height (mm)1,311 mm-
Seat Height (mm)998 mm958 mm
Wheelbase (in.)58.7 inches58.5 inches
Wheelbase (mm)1,491 mm1485 mm
Width (in.)32.4 inches-
Width (mm)823 mm-
Seat Height (in.)39.3 inches37.7 inches
Seat Height998 mm / 39.3 in.958 mm / 37.7 in.
Wheelbase1,491 mm / 58.7 in.1485 mm / 58.5 in.
Height1,311 mm / 51.6 in.-
Length2,192 mm / 86.3 in.-
Width823 mm / 32.4 in.-
Weights & Capacities
Fuel Capacity (l)6.17 litres7.20 litres
Fuel Capacity (gal.)1.63 gallons1.90 US gallons
Oil Capacity (l)1.20 litres-
Wet Weight (lbs.)245.0 pounds-
Wet Weight (kg)111.1 kg-
Dry Weight (kg)-102.6
Oil Capacity (Quarts)0.08 quarts-
Dry Weight (lbs.)-226.2 pounds
Dry Weight-102.6 kg / 226.2 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.-
Power-to-Weight Ratio-0.6140 HP/kg
Engine
Fuel ControlDOHCSingle Overhead Cams (SOHC)
Engine TypeSingle cylinder, four-strokeSingle cylinder, four-stroke
Displacement (ci)27.40 cubic inches27.45 cubic inches
Displacement (cc)449.00 cc449.9 cc
Bore x Stroke (mm)97.0 x 60.8 mm95.0 x 63.4 mm
Bore x Stroke (in,)3.8 x 2.4 inches3.7 x 2.5 inches
Stroke-4-stroke
Engine DetailTitanium valves-
Fuel SystemInjection. Yamaha Fuel Injection (YFI), Keihin 44mmInjection
Compression Ratio12.5:1-
Engine LubricationDry sump-
IgnitionCDIKeihin 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 AdjustmentX-ring 5/8 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 - Rear Diameter (in.)9.6 inches-
Brakes - Front Diameter (mm)250 mm-
Brakes - FrontSingle discSingle disc. Brake calipers on floating bearings
Brakes - RearSingle discSingle disc. Brake calipers on floating bearings
Rims-CNC machined hubs. Excel rims. Wire spoked.
Tyres - Front80/100-211.6-21
Tyres - Rear120/80-19-