2012 Kawasaki KX450F vs 2023 Yamaha YZ250

Full specifications comparison • 2 motorcycles

Comparing 2 motorcycles
2012 Kawasaki KX450F 2012 Kawasaki KX450F

Cross / motocross

Engine
Single cylinder, four-stroke
Power
N/A
Top Speed
N/A
Weight
249.1 pounds
2023 Yamaha YZ250 2023 Yamaha YZ250

Cross / motocross

Engine
Single cylinder, two-stroke
Power
N/A
Top Speed
N/A
Weight
227.0 pounds
Full Specifications
General
ColoursLime GreenTeam Yamaha Blue
Warranty6 months30 Day Limited Factory Warranty
Dimensions
Ground Clearance (in.)13.0 inches14.2 inches
Ground Clearance (mm)330 mm361 mm
Height (in.)50.2 inches50.8 inches
Height (mm)1,275 mm1290 mm
Length (in.)85.8 inches86.0 inches
Length (mm)2,179 mm2184 mm
Seat Height (mm)955 mm975 mm
Wheelbase (in.)58.3 inches58.3 inches
Wheelbase (mm)1,481 mm1481 mm
Width (in.)32.3 inches32.5 inches
Width (mm)820 mm826 mm
Seat Height (in.)37.6 inches38.4 inches
Seat Height955 mm / 37.6 in.975 mm / 38.4 in.
Wheelbase1,481 mm / 58.3 in.1481 mm / 58.3 in.
Height1,275 mm / 50.2 in.1290 mm / 50.8 in.
Length2,179 mm / 85.8 in.2184 mm / 86.0 in.
Width820 mm / 32.3 in.826 mm / 32.5 in.
Weights & Capacities
Wet Weight (lbs.)249.1 pounds227.0 pounds
Oil Capacity (l)-0.80 litres
Dry Weight (kg)275-
Dry Weight (lbs.)606.3 pounds-
Oil Capacity (Quarts)-0.85 US quarts
Fuel Capacity (l)6.21 litres8.00 litres
Wet Weight (kg)113.0 kg103.0 kg
Fuel Capacity (gal.)1.64 gallons2.11 US gallons
Dry Weight275 kg / 606.3 lbs-
Fuel Capacity6.21 litres / 1.64 gallons8.00 litres / 2.11 US gallons
Wet Weight113.0 kg / 249.1 lbs103.0 kg / 227.0 lbs
Performance
Max Torque59.40 Nm (6.1 kgf-m or 43.8 ft.lbs) @ 4500 Revolutions-
Power-to-Weight Ratio0.1809 HP/kg-
Engine
Bore x Stroke (mm)96.0 x 62.1 mm66.4 x 72.0 mm
Bore x Stroke (in,)3.8 x 2.4 inches2.6 x 2.8 inches
Displacement (cc)449.00 cc249.0 cc
Displacement (ci)27.40 cubic inches15.19 cubic inches
Engine TypeSingle cylinder, four-strokeSingle cylinder, two-stroke
Fuel ControlDOHC-
Engine Detail90 degree V-twinReed-valve inducted
Fuel SystemInjection. DFI with 43mm Keihin throttle bodyCarburettor. Hitachi Astemo® Keihin PWK38S
Compression Ratio12.5:110.6:1
Engine Lubrication-Premix
IgnitionDigital DC-CDICDI
StarterElectricElectric
Valve System4-
Drivetrain
ClutchAutomatic-
Final DriveChainChain   (final drive)
Gearbox5-speed5-speed
Primary DriveSelectable four-wheel drive with Variable Front Differential Control, shaftConstant-mesh
Chassis
Trail (in.)-4.8 inches
Trail (mm)-122 mm
Wheel Travel - Rear (mm)200 mm315 mm
Wheel Travel - Rear (in.)7.9 inches12.4 inches
Wheel Travel - Front (mm)171 mm300 mm
Wheel Travel - Front (in.)6.7 inches11.8 inches
Frame TypeAluminum perimeterSemi-double cradle, aluminium
Suspension - Front48mm inverted, Kayaba AOS with DLC coated sliders, 22-position compression and 20-position rebound dampening adjustment / 12.4 in.KYB® Speed-Sensitive System inverted fork; fully adjustable
Suspension - RearUni-Trak linkage system and Kayaba shock with 50mm piston, 22-position low-speed and stepless high-speed compression damping, 22-position rebound damping and fully adjustable spring preload / 12.4 in.KYB® single shock; fully adjustable
Rake26.9°27.7°
Trail-122 mm / 4.8 in.
Wheel Travel - Front171 mm / 6.7 in.300 mm / 11.8 in.
Wheel Travel - Rear200 mm / 7.9 in.315 mm / 12.4 in.
Electrical Systems
InstrumentationSpeedometer, odometer, dual trip meters, fuel gauge, engine temp, clock, hour meter and 2WD/4WD icon, plus indicators for neutral, reverse, belt, and oil pressure.-
Lighting system35W headlights, 5W taillight, 21W stoplight-
Wheels & Brakes
Brakes - Front Diameter (mm)250 mm-
Brakes - Rear Diameter (in.)9.4 inches-
Brakes - Rear Diameter (mm)240 mm-
Brakes - Front Diameter (in.)9.8 inches-
Brakes - FrontSingle discSingle disc
Brakes - RearSingle discSingle disc
Rims-Dunlop® Geomax MX33 tyres
Tyres - Front25/8-1280/100-21
Tyres - Rear25/10-12-