Difference between revisions of "Yamaha YD-3"
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{{Motorcycle | {{Motorcycle | ||
|name = | |name = Yamaha YD-3 | ||
|photo=yamaha-yd-3-1960-1962-2.jpg | |photo=yamaha-yd-3-1960-1962-2.jpg | ||
|aka = | |aka = | ||
|manufacturer = | |manufacturer = Yamaha | ||
|parent_company = | |parent_company = | ||
|production = 1960 | |production = 1960 | ||
| Line 11: | Line 11: | ||
|predecessor = | |predecessor = | ||
|successor = | |successor = | ||
|class = | |class = Classic | ||
|engine = Twin cylinder, two stroke, air-cooled | |engine = Twin cylinder, two stroke, air-cooled | ||
|bore_stroke = 55.9mm x 55.9mm | |bore_stroke = 55.9mm x 55.9mm | ||
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[[Category:Yamaha motorcycles]] | [[Category:Yamaha motorcycles]] | ||
[[Category:1960s motorcycles]] | [[Category:1960s motorcycles]] | ||
Latest revision as of 20:27, 23 November 2019
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| Yamaha YD-3 | |
| Manufacturer | |
|---|---|
| Production | 1960 |
| Class | Classic |
| Engine | Twin cylinder, two stroke, air-cooled |
| Bore / Stroke | 55.9mm x 55.9mm |
| Compression ratio | 7.5:1 |
| Horsepower | 24.0 HP (17.9 KW) @ 7500RPM |
| Torque | 18.44 ft/lbs (25.0 Nm) @ 7500RPM |
| Transmission | Gear box: 5-Speed Final Drive: Chain |
| Suspension | Front: Telescopic forks with hydraulic damping Rear: Dual shocks |
| Brakes | Front: Drum Rear: Drum |
| Front Tire | 3.00-18 |
| Rear Tire | 3.25-18 |
| Wheelbase | 57.91 inches (1471 mm) |
| Length | 79.02 inches (2007 mm) |
| Width | 31.18 inches (792 mm) |
| Weight | 145.0 kg (wet) |
| Recommended Oil | Yamalube 10w-40 |
| Fuel Capacity | 1.59 Gallon (6.00 Liters) |
| Manuals | Service Manual |
The Yamaha YD-3 was a Twin cylinder, two stroke, air-cooled Classic motorcycle produced by Yamaha in 1960. Max torque was 18.44 ft/lbs (25.0 Nm) @ 7500 RPM. Claimed horsepower was 24.0 HP (17.9 KW) @ 7500 RPM.
Engine[edit | edit source]
A 55.9mm bore x 55.9mm stroke result in a displacement of just 246.0 cubic centimeters.
Drive[edit | edit source]
The bike has a 5-Speed transmission. Power was moderated via the Wet, multiplate.
Chassis[edit | edit source]
It came with a 3.00-18 front tire and a 3.25-18 rear tire. Stopping was achieved via Drum in the front and a Drum in the rear. The front suspension was a Telescopic forks with hydraulic damping while the rear was equipped with a Dual shocks. The YD-3 was fitted with a 1.59 Gallon (6.00 Liters) fuel tank. The wheelbase was 57.91 inches (1471 mm) long.
1960 - 1962 Yamaha YD-3[edit | edit source]
This machine was a luxury version of the YD2, with a nice large fuel tank (with for the first time the tuning fork logo), larger hubs and an engine which developed 1 hp more. But the mid-1960s suddenly turned Japanese motorcycle cottage industries into international powerhouses with names that would turn "Japanese" from a slur, synonymous with cheap dinnerware, into a virtue. The biggest, of course, was Honda. But following closely on its heels was Yamaha.