Yamaha WR450F (2011-12) vs Suzuki A80 (1972)
Comparison technical specifications
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| Make: | Yamaha | Suzuki |
| Model: | WR450F | A80 |
| Years: | 2011-12 | 1972 |
| Engine: | Four stroke, Single cylinder, DOHC, 5 valves | Two stroke, single cylinder |
| Capacity: | 449 cc / 27.4 cu in | 72 cc / 4.4 cu in |
| Bore x Stroke: | 95 x 63.4 mm | 47 x 42 mm |
| Cooling System: | Liquid cooled | Air cooled |
| Oil Capacity: | 1.2 L / 2.5 US pt | 1.1 L / 2.3 US pt |
| Starting: | Electric & kick | Kick |
| Max Power: | 58 hp / 42.3 kW @ 9000 rpm | 5.7 kW / 7.6 hp @7500 rpm |
| Max Torque: | 5.0 kgf-m 36.2 ft-lb @ 7500 rpm | 7.65 Nm / 0.78 kgf-m / 5.64 ft-lb @ 6000 rpm |
| Transmission: | 5-Speed, constant mesh | 4-Speed, constant mesh, toe and heel shift |
| Final Drive: | Chain | Chain |
| Frame: | Aluminium bilateral beam | Pressed steel |
| Front Suspension: | 48mm Upside down telescopic fork | Telescopic fork, oil damped |
| Rear Suspension: | Swingarm, link suspension, mono shock | Swingarm, oil damped |
| Front Tyre: | 80/100-21 51P | 2.25-17 4PR |
| Rear Tyre: | 120/90-18 65P | 2.50-17 4PR |
| Dimensions: | Length: 2315 mm / 91.1 in Width: 825 mm / 32.5 in Height: 1275 mm / 50.2 in | Length: 1855 mm / 73.0" Width: 760 mm / 29.9" Height: 1040 mm / 47.2" |
| Wheelbase: | 1475 mm / 58.1 in | 1185 mm / 46.7" |
| Ground Clearance: | 335 mm / 13.2 in | 140 mm / 5.5" |
| Seat Height: | 960 mm / 37.8 in | 780 mm / 30.7" |
| Dry Weight: | 112.5 kg / 268 lbs | 83 kg / 183 lbs |
| Fuel Capacity: | 7.2 Litres / 1.9 US gal | 7 L / 1.8 US gal |