
| MODEL | MOTOBI TORNADO 650 1971 |
| Year | 1971 |
| Engine Type | Twin, four-stroke, OHV, 2 valves per cylinder |
| Displacement / Capacity | 643 cc / 39.24 cu in |
| Bore X Stroke | 84.0 x 58.0 mm / 3.3 x 2.3 in |
| Compression Ratio | 9.6:1 |
| Cooling System | Air |
| Max Power | 32.8 kW / 45 hp @ 6500 rpm |
| Max Torque | — |
| Ignition | — |
| Induction | — |
| Start System | — |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 5-speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | — |
| Rear Suspension | — |
| Front Brakes | Drum |
| Rear Brakes | Drum |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | — |
| Ground Clearance | — |
| Dry Weight | — |
| Wet Weight | 222 kg / 489.4 lbs |
| WHEEL SPECS | |
| Front Tyre | 3.50-18 |
| Rear Tyre | 4.00-18 |
| FUEL SYSTEM | |
| Fuel Capacity | 14 Litres / 3.7 US gal |
| Fuel Consumption | — |
| Top Speed | 175 km/h / 108.7 mph |
A 643 cc air-cooled parallel twin sport tourer, the biggest bike in the period Motobi line-up. It combined a five-speed box with drum brakes and a claimed 175 km/h top speed.