Yamaha GT80: history, specs, pictures
|Production||1973 - 1980|
single cylinder, two-stroke
|Bore / Stroke||47.0mm x 42.0mm|
|Top Speed||57 mph (91 km/h)|
|Torque||4.5 ft/lbs (6.1 Nm) @ 7200RPM|
|Fuel System||carburetor. teikei|
|Ignition||points type ignition|
|Spark Plug||NGK B7HS '73-80 |
|Battery||YUASA 6N4-2A-5 '73-80 |
|Transmission||Gear box: 4-speed
Final Drive: chain
|Suspension||Front: inverted forks
Rear: non-adjustable dual shock
|Brakes||Front: expanding brake (drum brake)
Rear: expanding brake (drum brake)
|Front Tire||2.50-15 '73-80 |
|Rear Tire||2.75-14 '73-80 |
|Weight||130.07 pounds (59.0 Kg) (dry), 60.3 kg (wet)|
|Fuel Capacity||1.3 Gallon (4.92 Liters)|
The bike has a 4-speed transmission. Power was moderated via the wet plate.
It came with a 2.50-15 front tire and a 2.75-14 rear tire. Stopping was achieved via expanding brake (drum brake) in the front and a expanding brake (drum brake) in the rear. The front suspension was a inverted forks while the rear was equipped with a non-adjustable dual shock. The GT80 B was fitted with a 1.3 Gallon (4.92 Liters) fuel tank. The bike weighed just 130.07 pounds (59.0 Kg).
- 2019 Western Power Sports Catalog. Western Power Sports. 2019.