| Yamaha's profilation of this bike | 
  | More Powerful. Better Handling. Simply put, the 2020 YZ450F™ is better everywhere, with a more compact motor, a thoroughly refined and balanced chassis, and improved ergonomics to give the rider the ability to perform at their best, lap after lap. | 
    
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            General information         | 
    
  
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                            Motorcycle name                    
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                                    Yamaha YZ450F                         | 
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                            Model year                    
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                                    2020                         | 
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                            Category                    
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                                    Cross / motocross                         | 
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                            Rating                    
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                     3.5   Check out the detailed rating of off-road capabilities, engine performance, maintenance cost, etc. Compare with any other bike.             | 
    
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            Engine and transmission         | 
    
  
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                            Displacement                    
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                                    449.0 ccm (27.40 cubic inches)                         | 
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                            Engine type                    
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                                    Single cylinder, four-stroke                         | 
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                            Engine details                    
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                                    Titanium-valves                         | 
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                            Compression                    
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                                    13.0:1                         | 
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                            Bore x stroke                    
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                                    97.0 x 60.9 mm (3.8 x 2.4 inches)                         | 
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                            Valves per cylinder                    
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                                    4                         | 
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                            Fuel system                    
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                                    Injection. Mikuni® fuel injection, 44mm                         | 
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                            Fuel control                    
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                                    Double Overhead Cams/Twin Cam (DOHC)                         | 
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                            Ignition                    
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                                    TCI: Transistor Controlled Ignition                         | 
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                            Lubrication system                    
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                                    Wet sump                         | 
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                            Cooling system                    
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                                    Liquid                         | 
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                            Gearbox                    
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                                    5-speed                         | 
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                            Transmission type                    
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                                    Chain  (final drive)                         | 
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                            Clutch                    
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                                    Multiplate wet clutch                         | 
    
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            Chassis, suspension, brakes and wheels         | 
    
  
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                            Frame type                    
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                                    Bilateral beam frame                         | 
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                            Rake (fork angle)                    
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                                    27.3°                         | 
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                            Trail                    
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                                    119 mm (4.7 inches)                         | 
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                            Front suspension                    
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                                    KYB Speed-Sensitive System, inverted fork: fully adjustable                         | 
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                            Front wheel travel                    
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                                    310 mm (12.2 inches)                         | 
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                            Rear suspension                    
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                                    KYB® single shock; fully adjustable                         | 
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                            Rear wheel travel                    
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                                    318 mm (12.5 inches)                         | 
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                            Front tire                    
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                                    80/100-21                          | 
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                            Rear tire                    
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                                    120/80-19                          | 
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                            Front brakes                    
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                                    Single disc. Hydraulic.                          | 
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                            Diameter                    
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                                    270 mm (10.6 inches)                         | 
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                            Rear brakes                    
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                                    Single disc. Hydraulic.                          | 
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                            Diameter                    
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                                    240 mm (9.4 inches)                         | 
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                            Wheels                    
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                                    Dunlop® MX33® tyres                         | 
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                            Seat                    
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                                    Long, two-tone, motocross-style seat                         | 
    
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            Physical measures and capacities         | 
    
  
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                            Weight incl. oil, gas, etc                    
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                                    111.1 kg (245.0 pounds)                         | 
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                            Seat height                    
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                                    965 mm (38.0 inches) If adjustable, lowest setting.                         | 
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                            Overall height                    
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                                    1275 mm (50.2 inches)                         | 
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                            Overall length                    
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                                    2184 mm (86.0 inches)                         | 
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                            Overall width                    
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                                    826 mm (32.5 inches)                         | 
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                            Ground clearance                    
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                                    330 mm (13.0 inches)                         | 
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                            Wheelbase                    
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                                    1486 mm (58.5 inches)                         | 
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                            Fuel capacity                    
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                                    6.06 litres (1.60 US gallons)                         | 
    
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            Other specifications         | 
    
  
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                            Color options                    
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                                    Team Yamaha Blue, Gray                         | 
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                            Starter                    
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                                    Electric                         | 
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                            Factory warranty                    
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                                    30 Day (Limited Factory Warranty)                         | 
| Update specs | Report missing specs or required updates. | 
    
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            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 20 Yamaha YZ450F discussion group or the general Yamaha discussion group. | 
| Related bikes | List related bikes for comparison of specs. | 
    
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            Compare with another motorcycle         | 
    
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