Difference between revisions of "Yamaha GT80"
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{{Infobox Motorcycle | {{Infobox Motorcycle | ||
|name = '''Yamaha GT80''' | |name = '''Yamaha GT80''' | ||
|image = | |image = [[File:1973-Yamaha-GTMX-Silver-5282-0.jpg|frameless]] | ||
|aka = GT80/MX | |aka = GT80/MX | ||
|manufacturer = [[Yamaha]] | |manufacturer = [[Yamaha]] | ||
Line 17: | Line 17: | ||
|power = | |power = | ||
|torque = 4.5 ft/lbs (6.1 Nm) @ 7200RPM | |torque = 4.5 ft/lbs (6.1 Nm) @ 7200RPM | ||
|fuel_system = | |fuel_system = carburetor. teikei | ||
|ignition = points type ignition | |ignition = points type ignition | ||
|spark_plug = {{sparkplug|NGK B7HS}} '73-80 | |spark_plug = {{sparkplug|NGK B7HS}} '73-80 |
Revision as of 15:00, 30 May 2019
Manufacturer | Yamaha |
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Also called | GT80/MX |
Production | 1973 - 1980 |
Engine | 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 type | points type ignition |
Sparkplug | 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) |
Manuals | Service Manual |
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The Yamaha GT80 B was a single cylinder, two-stroke standard produced by Yamaha in 1975. It could reach a top speed of 57 mph (91 km/h). Max torque was 4.5 ft/lbs (6.1 Nm) @ 7200 RPM.
Engine
The engine was a air cooled single cylinder, two-stroke. A 47.0mm bore x 42.0mm stroke result in a displacement of just 72.0 cubic centimeters.
Drive
The bike has a 4-speed transmission. Power was moderated via the wet plate.
Chassis
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).
1973
1978
1980
1981
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