| General information |
| Model: | Honda CB 450 K 1 |
| Year: | 1971 |
| Category: | Classic |
| Engine and transmission |
| Displacement: | 445.00 ccm (27.15 cubic inches) |
| Engine type: | Twin |
| Stroke: | 4 |
| Power: | 45.00 HP (32.8 KW)) @ 9000 RPM |
| Compression: | 9.0:1 |
| Bore x Stroke: | 70.0 x 57.8 mm (2.8 x 2.3 inches) |
| Valves per cylinder: | 2 |
| Fuel control: | DOHC |
| Cooling system: | Air |
| Gearbox: | 5-speed |
Transmission type final drive: | Chain |
| Physical Measurements |
| Weight incl. oil, gas, etc: | 204.0 kg (449.7 pounds) |
| Chassis and dimensions |
| Front tyre dimensions: | 3.25-18 |
| Rear tyre dimensions: | 3.50-18 |
| Front brakes: | Expanding brake |
| Rear brakes: | Expanding brake |
| Speed and acceleration |
| Top speed: | 171.0 km/h (106.3 mph) |
| Other specifications |
| Fuel capacity: | 14.00 litres (3.70 gallons) |