Yamaha DT50: history, specs, pictures
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| Manufacturer | Yamaha |
|---|---|
| Also called | DT50 Supermotard, DT 50 Supermotard, DT50 Enduro, DT 50 Enduro, DT 50 X, DT 50 R, DT50R, DT50X, DT50MX, DT 50 MX, DT 50 |
| Production | 1981 - 2012 |
| Class | Trail |
| Engine | single cylinder, four-stroke |
| Bore / Stroke | 74.0mm x 58.0mm |
| Top speed | 56 mph (90 km/h) |
| Horse Power | 17.57 HP (13.1 KW) @ 7500RPM |
| Torque | 14.01 ft/lbs (19.0 Nm) @ 6500RPM |
| Fuel system | injection |
| Ignition type | tci |
| Sparkplug | NGK B8ES '88-90 |
| Battery | 6N4-2A-5 '88-90 |
| Transmission | Gear box: 5-speed Final Drive: chain |
| Suspension | Front: 35mm telescopic fork Rear: bottom-link |
| Brakes | Front: single disc Rear: single disc |
| Front Tire | 2.50-19 '88-90 110/70-17 - ? |
| Rear Tire | 3.00-17 '88-90 130/70-17 -? |
| Wheelbase | 53.74 inches (1365 mm) |
| Dimensions | L 80.31 inches (2040 mm) W 31.69 inches (805 mm) H 43.7 inches (1110 mm) |
| Seat height | 31.1 inches (790 mm) |
| Weight | 293.21 pounds (133.0 Kg) (dry), 104.0 kg (wet) |
| Fuel capacity | 2.54 Gallon (9.60 Liters) |
| Oil capacity | 0.37 Gallon (1.40 Liters) |
| Fuel consumption | 2.56 liters/100 km (39.1 km/l or 91.88 mpg) |
| Related | Yamaha DT100 Yamaha DT125 |
| Manuals | Service Manual |
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The Yamaha DT50X was a single cylinder, four-stroke Trail motorcycle produced by Yamaha between 1981 and 2012. It could reach a top speed of 56 mph (90 km/h). Max torque was 14.01 ft/lbs (19.0 Nm) @ 6500 RPM. Claimed horsepower was 17.57 HP (13.1 KW) @ 7500 RPM.
Engine
The engine was a oil & air cooled single cylinder, four-stroke. A 74.0mm bore x 58.0mm stroke result in a displacement of just 249.0 cubic centimeters. Fuel was supplied via a single overhead cams (sohc).
Drive
The bike has a 5-speed transmission. Power was moderated via the wet multi-plate coil spring.
Chassis
It came with a 110/70-17 front tire and a 130/70-17 rear tire. Stopping was achieved via single disc in the front and a single disc in the rear. The front suspension was a 35mm telescopic fork while the rear was equipped with a bottom-link. The DT50X was fitted with a 2.54 Gallon (9.60 Liters) fuel tank. The bike weighed just 293.21 pounds (133.0 Kg). The wheelbase was 53.74 inches (1365 mm) long.
1990
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