Difference between revisions of "Yamaha YAS 1"
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{{Motorcycle | {{Motorcycle | ||
|name = '''Yamaha YAS 1''' | |name = '''Yamaha YAS 1''' | ||
|aka = YAS1 | |aka = YAS1 | ||
|manufacturer = [[Yamaha]] | |manufacturer = [[Yamaha]] | ||
| Line 22: | Line 21: | ||
|ignition = | |ignition = | ||
|spark_plug = | |spark_plug = | ||
|battery = | |battery = | ||
|transmission = Gear box: 5-speed <br> | |transmission = Gear box: 5-speed <br> | ||
Final Drive: [[chain]] <br> | Final Drive: [[chain]] <br> | ||
Revision as of 20:50, 9 November 2019
| 'Yamaha YAS 1' | |
| Manufacturer | [[Yamaha]] |
|---|---|
| Also called | YAS1 |
| Production | 1970 - 1971 |
| Engine | twin, two-stroke |
| Bore / Stroke | 43.0mm x 43.0mm |
| Top Speed | 68 mph (110 km/h) |
| Horsepower | 14.62 HP (10.9 KW) @ 8500RPM |
| Fuel System | carburetor |
| Transmission | Gear box: 5-speed Final Drive: chain |
| Brakes | Front: expanding brake Rear: expanding brake (drum brake) |
| Front Tire | 2.25-17 |
| Rear Tire | 2.50-17 |
| Weight | 105.0 kg (wet) |
| Fuel Capacity | 2.51 Gallon (9.50 Liters) |
| Manuals | Service Manual |
The Yamaha YAS1 was a twin, two-stroke standard produced by Yamaha between 1970 and 1971. It could reach a top speed of 68 mph (110 km/h). Claimed horsepower was 14.62 HP (10.9 KW) @ 8500 RPM.
Engine
The engine was a air cooled twin, two-stroke. A 43.0mm bore x 43.0mm stroke result in a displacement of just 125.0 cubic centimeters. Fuel was supplied via a port control.
Drive
The bike has a 5-speed transmission.
Chassis
It came with a 2.25-17 front tire and a 2.50-17 rear tire. Stopping was achieved via expanding brake in the front and a expanding brake (drum brake) in the rear. The YAS1 was fitted with a 2.51 Gallon (9.50 Liters) fuel tank.