| Kawasaki's profilation of this bike | 
  | 2012 KX™450F highlights begin with the Supercross winning DNA of last year’s bike. The advanced design of the aluminum perimeter frame and dominating motor received a host of refinements to create a more compact and mass-centralized chassis propelled by more useable power than ever. | 
    
        | General information | 
  
    | Motorcycle name | Kawasaki KX 450F | 
    | Model year | 2012 | 
    | Category | Cross / motocross | 
| Price as new | US$ 8499.   MSRP depends on country, taxes, accessories, etc. | 
    | Rating | 3.4   Check out the detailed rating of off-road capabilities, engine performance, maintenance cost, etc. Compare with any other bike. | 
    
        | Engine and transmission | 
  
    | Displacement | 449.0 ccm (27.40 cubic inches) | 
    | Engine type | Single cylinder, four-stroke | 
    | Compression | 12.5:1 | 
    | Bore x stroke | 96.0 x 62.1 mm (3.8 x 2.4 inches) | 
    | Valves per cylinder | 4 | 
    | Fuel system | Injection. DFI  with 43mm Keihin throttle body | 
    | Fuel control | Double Overhead Cams/Twin Cam (DOHC) | 
    | Ignition | Digital DC-CDI | 
    | Cooling system | Liquid | 
    | Gearbox | 5-speed | 
    | Transmission type | Chain  (final drive) | 
    | Clutch | Automatic | 
    
        | Chassis, suspension, brakes and wheels | 
  
    | Frame type | Aluminum perimeter | 
    | Rake (fork angle) | 26.9° | 
    | Front suspension | 48mm inverted, Kayaba AOS with DLC coated sliders, 22-position compression and 20-position rebound dampening adjustment / 12.4 in. | 
    | Rear suspension | Uni-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. | 
    | Front brakes | Single disc | 
    | Diameter | 250 mm (9.8 inches) | 
    | Rear brakes | Single disc | 
    | Diameter | 240 mm (9.4 inches) | 
    
        | Physical measures and capacities | 
  
    | Weight incl. oil, gas, etc | 113.0 kg (249.1 pounds) | 
    | Seat height | 955 mm (37.6 inches) If adjustable, lowest setting. | 
    | Overall height | 1275 mm (50.2 inches) | 
    | Overall length | 2179 mm (85.8 inches) | 
    | Overall width | 820 mm (32.3 inches) | 
    | Ground clearance | 330 mm (13.0 inches) | 
    | Wheelbase | 1481 mm (58.3 inches) | 
    | Fuel capacity | 6.21 litres (1.64 US gallons) | 
    
        | Other specifications | 
  
    | Color options | Lime Green | 
    | Factory warranty | 6 months | 
| Update specs | Report missing specs or required updates. | 
    
        | Further information | 
  | Insurance costs | Compare US insurance quotes from the nation's top providers. | 
| Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. | 
| Ask questions | Join the 12 Kawasaki KX 450F discussion group or the general Kawasaki discussion group. | 
| Related bikes | List related bikes for comparison of specs. | 
    
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