Difference between revisions of "Yamaha GT80"
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{{DISPLAYTITLE:{{PAGENAME}}: history, specs, pictures}} | |||
{{Motorcycle | |||
|name = Yamaha GT80 | |||
|photo=1973-Yamaha-GTMX-Silver-5282-0.jpg | |||
|aka = GT80/MX | |||
|manufacturer = Yamaha | |||
|parent_company = | |||
|production = 1973 - 1980 | |||
|model_year = | |||
|predecessor = | |||
|successor = | |||
|class = Enduro | |||
|engine = single cylinder, two-stroke | |||
|bore_stroke = 47.0mm x 42.0mm | |||
|compression = | |||
|top_speed = 57 mph (91 km/h) | |||
|power = | |||
|torque = 4.5 ft/lbs (6.1 Nm) @ 7200RPM | |||
|fuel_system = carburetor. teikei | |||
|ignition = points type ignition | |||
|spark_plug = {{sparkplug|NGK B7HS}} '73-80 <ref name="wps_street_2019">{{cite book|title=2019 Western Power Sports Catalog|publisher=[https://www.wps-inc.com/catalogs Western Power Sports]|date=2019}}</ref> | |||
|battery = {{battery|YUASA 6N4-2A-5}} '73-80 <ref name="wps_street_2019"/> | |||
|transmission = Gear box: 4-speed <br> | |||
Clutch: wet plate <br> | |||
|final_drive = {{chain|420x}} | |||
|frame = | |||
|suspension =Front: inverted forks <br> | |||
Rear: non-adjustable dual shock | |||
|brakes =Front: expanding [[brake]] (drum brake) <br>Rear: expanding brake (drum brake) | |||
|front_tire = {{tire|2.50-15}} '73-80 <ref name="wps_street_2019"/> | |||
|rear_tire = {{tire|2.75-14}} '73-80 <ref name="wps_street_2019"/> | |||
|rake_trail = | |||
|wheelbase = | |||
|length = | |||
|width = | |||
|height = | |||
|seat_height = | |||
|dry_weight = 130.07 pounds (59.0 Kg) | |||
|wet_weight = 60.3 kg | |||
|fuel_capacity = 1.3 Gallon (4.92 Liters) | |||
|oil_capacity = | |||
|recommended_oil=Yamalube 10w-40 | |||
|fuel_consumption = | |||
|turning_radius = | |||
|related = | |||
|competition = | |||
}} | |||
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== | |||
<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"/> | |||
==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> | |||
<br style="clear: left"/> | |||
==1980== | |||
[[Image:1980-Yamaha-GT80-Red-0.jpg|left|thumb|1980 Yamaha GT80 in Red]] | |||
[[Image:1980-Yamaha-GT80-Red-1.jpg|left|thumb|1980 Yamaha GT80 in Red]] | |||
[[Image:1980-Yamaha-GT80-Red-2.jpg|left|thumb|1980 Yamaha GT80 in Red]] | |||
<br style="clear: left"/> | <br style="clear: left"/> | ||
== | ==1981== | ||
[[Image: | [[Image:1981-Yamaha-GT80-Blue-2610-0.jpg|left|thumb|1981 Yamaha GT80 in Blue]] | ||
[[Image:1981-Yamaha-GT80-Blue-2610-1.jpg|left|thumb|1981 Yamaha GT80 in Blue]] | |||
[[Image:1981-Yamaha-GT80-Blue-2610-2.jpg|left|thumb|1981 Yamaha GT80 in Blue]] | |||
[[Image:1981-Yamaha-GT80-Blue-2610-3.jpg|left|thumb|1981 Yamaha GT80 in Blue]] | |||
<br style="clear: left"/> | <br style="clear: left"/> | ||
== References == | |||
{{reflist}} | |||
{{Yamaha}} | |||
[[Category:Yamaha motorcycles|GT80, Yamaha]] | |||
[[Category:standard motorcycles]] | |||
[[Category:1970s motorcycles]] |
Latest revision as of 20:06, 23 November 2019
Yamaha GT80 | |
Manufacturer | |
---|---|
Also called | GT80/MX |
Production | 1973 - 1980 |
Class | Enduro |
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 | points type ignition |
Spark Plug | NGK B7HS '73-80 [1] |
Battery | YUASA 6N4-2A-5 '73-80 [1] |
Transmission | Gear box: 4-speed Clutch: wet plate |
Final Drive | Chain: 420x |
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 [1] |
Rear Tire | 2.75-14 '73-80 [1] |
Weight | 130.07 pounds (59.0 Kg) (dry), 60.3 kg (wet) |
Recommended Oil | Yamalube 10w-40 |
Fuel Capacity | 1.3 Gallon (4.92 Liters) |
Manuals | Service Manual |
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[edit | edit source]
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[edit | edit source]
The bike has a 4-speed transmission. Power was moderated via the wet plate.
Chassis[edit | edit source]
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[edit | edit source]
1978[edit | edit source]
1980[edit | edit source]
1981[edit | edit source]
References[edit | edit source]
- ↑ 1.0 1.1 1.2 1.3 2019 Western Power Sports Catalog. Western Power Sports. 2019.
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