Yamaha YZ450F - 2018 Specifications and Reviews
The 2018 Yamaha YZ450F is a high-performance four-stroke motocross bike engineered for competitive riders seeking power and precision. Known for its potent engine featuring titanium valves and electric starter, it delivers responsive handling and reliable braking through its 250mm front and 245mm rear disc brakes. This lightweight, agile machine excels in professional and amateur racing environments.
General information | |
| Category | Cross / motocross |
| Year | 2018 |
| Model | Yamaha YZ450F |
| | |
Engine and Transmission Specifications | |
| Clutch | Multiplate wet clutch |
| Transmission type,final drive | Chain |
| Gearbox | 5-speed |
| Cooling system | Liquid |
| Lubrication system | Wet sump |
| Ignition | TCI: Transistor Controlled Ignition |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Fuel system | Injection. Mikuni® fuel injection, 44mm |
| Valves per cylinder | 4 |
| Bore x Stroke | 97.0 x 60.8 mm (3.8 x 2.4 inches) |
| Compression | 12.5:1 |
| Engine details | Titanium-valves |
| Engine type | Single cylinder, four-stroke |
Brakes, suspension, Frame and wheels | |
| Seat | Long, two-tone, motocross-style seat |
| Wheels | Dunlop® MX3S® tyres |
| Rear brakes diameter | 245 mm (9.6 inches) |
| Rear brakes | Single disc. Hydraulic. |
| Front brakes diameter | 250 mm (9.8 inches) |
| Front brakes | Single disc. Hydraulic. |
| Rear tyre | 120/80-19 |
| Front tyre | 80/100-21 |
| Rear wheel travel | 315 mm (12.4 inches) |
| Rear Suspension | KYB® single shock; fully adjustable |
| Front wheel travel | 310 mm (12.2 inches) |
| Front Suspension | KYB Speed-Sensitive System, inverted fork: fully adjustable |
| Trail | 119 mm (4.7 inches) |
| Rake (fork angle) | 27.3° |
| Frame type | Bilateral beam frame |
| | |
Physical measures and capacities | |
| Fuel capacity | 7.57 litres (2.00 gallons) |
| Wheelbase | 1,481 mm (58.3 inches) |
| Ground clearance | 335 mm (13.2 inches) |
| Overall width | 826 mm (32.5 inches) |
| Overall length | 2,174 mm (85.6 inches) |
| Overall height | 1,290 mm (50.8 inches) |
| Seat height | 975 mm (38.4 inches) If adjustable, lowest setting. |
| Weight incl. oil, gas, etc | 111.1 kg (245.0 pounds) |
Other specs | |
| Starter | Electric |
| Color options | Blue/white, White |
Rider Reviews
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