| TECHNICAL SPECIFICATION |
|---|
| Model ID |
|---|
| Manufacturer (Make) | Yamaha |
| Model Name | U7E |
| Year | 1973 |
| Category(class) | Scooter |
| Engine |
|---|
| Engine Capacity (Displacement) | 72 ccm (4.39 cubic inches) |
| Engine Type | 1 cylinder |
| Bore x Stroke | Ø47.0 mm x 42.0 mm (Ø1.85 inches x 1.65 inches) |
| Bore/Stroke Ratio | 1.12 |
| Stroke | 2 |
| Fuel System(Carburetion) | Carburettor |
| Starter System | Electric and Kick starter |
| Powertrain |
|---|
| Chassis/Suspension/Brakes |
|---|
| Dimensions |
|---|
| Overall Length | 1840 mm (72.44 inches) |
| Overall Width | 645 mm (25.39 inches) |
| Wheelbase | 1175 mm (46.26 inches) |
| Ground Clearance | 135 mm (5.31 inches) |
| Dry Weight | 77 kg (170 lb) |
| Fuel Capacity | 4.5 litres (1.19 gallons) |
| Performance |
|---|
| Max Power | 4.90 HP (3.6 kW) at 6500 RPM |
| Max Torque | 6.37 Nm (4.68 ft*lbs) at 4500 RPM |
| Power/Weight Ratio | 0.06 Hp/Kg |
| Top Speed | 85 km/h (53mph) |
| Acceleration (dart, speedup) time | |
| 0-100 km/h | - |
| 0-60 mph | - |
| 1/4 mile | - |
| 60 to 140 km/h, highest gear | - |