Difference between revisions of "Yamaha GT80"
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==1973== | ==1973== | ||
<gallery mode='packed-hover'> | |||
File:1973-Yamaha-GTMX-Silver-5282-0.jpg|left|thumb|1973 Yamaha GTMX in Silver | |||
File:1973-Yamaha-GTMX-Silver-5282-1.jpg|left|thumb|1973 Yamaha GTMX in Silver | |||
File:1973-Yamaha-GTMX-Silver-5282-2.jpg|left|thumb|1973 Yamaha GTMX in Silver | |||
File:1973-Yamaha-GTMX-Silver-5282-3.jpg|left|thumb|1973 Yamaha GTMX in Silver | |||
File:1973-Yamaha-GTMX-Silver-5282-4.jpg|left|thumb|1973 Yamaha GTMX in Silver | |||
File:1973-Yamaha-GTMX-Silver-5282-5.jpg|left|thumb|1973 Yamaha GTMX in Silver | |||
File:1973-Yamaha-GTMX-Silver-5282-6.jpg|left|thumb|1973 Yamaha GTMX in Silver | |||
</gallery> | |||
<br style="clear: left"/> | <br style="clear: left"/> | ||
==1978== | ==1978== | ||
<gallery mode='packed-hover'> | |||
File:1978-Yamaha-GT80E-Red-0.jpg|left|thumb|1978 Yamaha GT80E in Red | |||
File:1978-Yamaha-GT80E-Red-1.jpg|left|thumb|1978 Yamaha GT80E in Red | |||
File:1978-Yamaha-GT80E-Red-2.jpg|left|thumb|1978 Yamaha GT80E in Red | |||
File:1978-Yamaha-GT80E-Red-3.jpg|left|thumb|1978 Yamaha GT80E in Red | |||
File:1978-Yamaha-GT80E-Red-4.jpg|left|thumb|1978 Yamaha GT80E in Red | |||
File:1978-Yamaha-GT80E-Red-5.jpg|left|thumb|1978 Yamaha GT80E in Red | |||
File:1978-Yamaha-GT80E-Red-6.jpg|left|thumb|1978 Yamaha GT80E in Red | |||
File:1978-Yamaha-GT80E-Red-7.jpg|left|thumb|1978 Yamaha GT80E in Red | |||
File:1978-Yamaha-GT80E-Silver-Blue-2686-0.jpg|left|thumb|1978 Yamaha GT80E in Silver/Blue | |||
File:1978-Yamaha-GT80E-Silver-Blue-2686-1.jpg|left|thumb|1978 Yamaha GT80E in Silver/Blue | |||
</gallery> | |||
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Revision as of 14:59, 30 May 2019
| Manufacturer | Yamaha |
|---|---|
| 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 | carburettor. 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 |
| Tech Specs · Brochures · Reviews · Ads · Videos | |
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
1973 Yamaha GTMX in Silver
1973 Yamaha GTMX in Silver
1973 Yamaha GTMX in Silver
1973 Yamaha GTMX in Silver
1973 Yamaha GTMX in Silver
1973 Yamaha GTMX in Silver
1973 Yamaha GTMX in Silver
1978
1978 Yamaha GT80E in Red
1978 Yamaha GT80E in Red
1978 Yamaha GT80E in Red
1978 Yamaha GT80E in Red
1978 Yamaha GT80E in Red
1978 Yamaha GT80E in Red
1978 Yamaha GT80E in Red
1978 Yamaha GT80E in Red
1978 Yamaha GT80E in Silver/Blue
1978 Yamaha GT80E in Silver/Blue
1980
1981
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