Yamaha GT80 B General Information |
|
| Brand | Yamaha |
| Model | Yamaha GT80 B |
| Start year | 1975 |
| Year | 1975 |
| Category | Enduro / offroad |
| Factory Warranty (Years / miles) | - |
Yamaha GT80 B Dimensions, Aerodynamics and weight |
|
| Frame type | Steel |
| Seat details | - |
| Wheelbase | - |
| Length | - |
| Width | - |
| Height | - |
| Seat Height | - |
| Alternate Seat Height | - |
| Ground Clearance | - |
| Trail size | - |
| Wheels details | - |
| Front Tyres - Rims dimensions | 2.50-15 |
| Rear Tyres - Rims dimensions | 2.75-14 |
| Front brakes | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) |
| Front Brakes Dimensions - Disc Dimensions | 127 mm (5.0 inches) |
| Rear Brakes Dimensions - Disc Dimensions | 127 mm (5.0 inches) |
| Curb Weight (including fluids) | 60.3 kg (133.0 pounds) |
| Dry Weight | 59.0 kg (130.0 pounds) |
| Front Percentage of Weight | - |
| Rear Percentage of Weight | - |
| Weight-Power Output Ratio : | 0.0831 HP/kg |
| Fuel Tank Capacity | 4.92 litres (1.30 gallons) |
| Reserve Fuel Capacity | - |
| Carrying Details and Capacity | - |
| Front Suspension | Inverted forks |
| Front Suspension Travel | 102 mm (4.0 inches) |
| Rear Suspension | non-adjustable dual shock |
| Rear Suspension Travel | 76 mm (3.0 inches) |
Yamaha GT80 B Engine and Transmission Technical Data |
|
| Engine type - Number of cylinders | Single cylinder, two-stroke |
| Engine details | - |
| Fuel system | Carburettor. Teikei |
| Engine size - Displacement - Engine capacity | 72.00 ccm (4.39 cubic inches) |
| Bore x Stroke | 47.0 x 42.0 mm (1.9 x 1.7 inches) |
| Compression Ratio | 6.0:1 |
| Number of valves per cylinder | - |
| Camshaft Valvetrain Configuration | - |
| Maximum power - Output - Horsepower | 4.90 HP (3.6 kW) |
| Maximum torque | 6.10 Nm (0.6 kgf-m or 4.5 ft.lbs) @ 7200 RPM |
| Engine Maximum RPM | 8000 |
| Cooling system | Air |
| Lubrication system | Auto Lube |
| Engine oil capacity | - |
| Exhaust system | Single tuned pipe |
| Gearbox | 4-speed |
| Transmission type, final drive ratio | Chain |
| Clutch type | Wet plate |
| Driveline | - |
Yamaha GT80 B Performance |
|
| Top Speed | 91.0 km/h (56.5 mph) |
| Acceleration 0 to 100 km/h (0 to 62 mph) | - |
| Acceleration 0 to 400m (1/4 mile) | - |
| Recuperation 60 to 140 km/h in highest gear | - |
| Fuel Consumption - MPG - Economy - Efficiency | - |
| CO2 emissions | - |
| Emissions | - |
Yamaha GT80 B Electrical Systems, Ignition and Equipment |
|
| Ignition Type | Points type Ignition |
| Electrical Details | - |
| Starter Type | Kick |
| Instruments | - |
| Lights | - |
