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"/> | <br style="clear: left"/> | ||
==1980== | ==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]] | [[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== | ==1981== | ||
[[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]] | [[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
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.
 |
|
| 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 |
EngineEdit
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.
DriveEdit
The bike has a 4-speed transmission. Power was moderated via the wet plate.
ChassisEdit
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).
1973Edit
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
1978Edit
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
1980Edit
1981Edit
ReferencesEdit
- ↑ 1.0 1.1 1.2 1.3 2019 Western Power Sports Catalog. Western Power Sports. 2019.