Honda CB 650 (reduced Effect) - 1981 Specifications and Reviews
The 1981 Honda CB 650 is an accessible middleweight touring motorcycle that suits both new and experienced riders seeking reliable, economical transport. Its air-cooled inline-four engine delivers smooth, manageable power while maintaining excellent fuel efficiency. Known for dependable performance and comfortable ergonomics, it became a popular choice for commuting and casual touring.
General information | |
| Category | Touring |
| Year | 1981 |
| Model | Honda CB 650 (reduced effect) |
Engine and Transmission Specifications | |
| Transmission typefinal drive | Chain |
| Gearbox | 5-speed |
| Cooling system | Air |
| Fuel control | OHC |
| Valves per cylinder | 2 |
| Bore x stroke | 59.8 x 55.8 mm (2.4 x 2.2 inches) |
| Compression | 9.0:1 |
| Power | 50.00 |
| Stroke | 4 |
| Engine type | In-line four |
| Capacity: | 627.00 ccm (38.26 cubic inches) |
| | |
Physical measures and capacities | |
| Weight incl. oil, gas, etc | 220.0 kg (485.0 pounds) |
Honda CB 650 (reduced Effect) dimensions and frame | |
| Rear brakes | Expanding brake |
| Front brakes | Dual disc |
| Rear tyre dimensions | 3.75-18 |
| Front tyre dimensions | 3.25-19 |
Speed and acceleration | |
| Top speed | 175.0 km/h (108.7 mph) |
Other specs | |
| Fuel capacity | 18.00 litres (4.76 gallons) |

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