Yamaha WR450F (2011-12)
Comparison technical specifications
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| Make: | Yamaha |
| Model: | WR450F |
| Years: | 2011-12 |
| Engine: | Four stroke, Single cylinder, DOHC, 5 valves |
| Capacity: | 449 cc / 27.4 cu in |
| Bore x Stroke: | 95 x 63.4 mm |
| Cooling System: | Liquid cooled |
| Compression Ratio: | 12.3:1 |
| Lubrication: | Dry sump |
| Oil Capacity: | 1.2 L / 2.5 US pt |
| Exhaust: | Single, upswept, under seat |
| Induction: | 39mm Keihin FCR flat-slide throttle position sensor |
| Ignition: | CDI |
| Starting: | Electric & kick |
| Max Power: | 58 hp / 42.3 kW @ 9000 rpm |
| Max Torque: | 5.0 kgf-m 36.2 ft-lb @ 7500 rpm |
| Clutch: | Wet, multi-disc |
| Transmission: | 5-Speed, constant mesh |
| Final Drive: | Chain |
| Frame: | Aluminium bilateral beam |
| Front Suspension: | 48mm Upside down telescopic fork |
| Front Wheel Travel: | 300 mm / 11.8 in |
| Rear Suspension: | Swingarm, link suspension, mono shock |
| Rear Wheel Travel: | 305 mm / 12.0 in |
| Front Brakes: | Hydraulic single 250 mm disc 4 piston caliper |
| Rear Brakes: | Single 245 mm disc 2 piston caliper |
| Wheels: | Aluminium alloy, laced spokes |
| Front Tyre: | 80/100-21 51P |
| Rear Tyre: | 120/90-18 65P |
| Rake: | 27° |
| Trail: | 115 mm / 4.5 in |
| Dimensions: | Length: 2315 mm / 91.1 in Width: 825 mm / 32.5 in Height: 1275 mm / 50.2 in |
| Wheelbase: | 1475 mm / 58.1 in |
| Ground Clearance: | 335 mm / 13.2 in |
| Seat Height: | 960 mm / 37.8 in |
| Dry Weight: | 112.5 kg / 268 lbs |
| Wet Weight: | 122 kg / 268 lbs |
| Fuel Capacity: | 7.2 Litres / 1.9 US gal |