Yamaha WR426: history, specs, pictures
2002
| Manufacturer | Yamaha |
|---|---|
| Also called | WR426F, WR 426 F, WR 426 |
| Production | 2001 - 2002 |
| Class | Trail |
| Engine | single cylinder, four-stroke |
| Bore / Stroke | 95.0mm x 60.1mm |
| Horse Power | 46.0 HP (34.3 KW) @ 9800RPM |
| Torque | 29.5 ft/lbs (40.0 Nm) @ 7800RPM |
| Fuel system | carburettor |
| Battery | 12.5:1 |
| Transmission | Gear box: 5-speed Final Drive: chain |
| Brakes | Front: single disc Rear: single disc |
| Front Tire | 90/90-21 |
| Rear Tire | 130/90-18 |
| Wheelbase | 58.66 inches (1490 mm) |
| Dimensions | L 89.37 inches (2270 mm) W 32.87 inches (835 mm) H 51.3 inches (1303 mm) |
| Seat height | 39.29 inches (998 mm) |
| Weight | 248.02 pounds (112.5 Kg) (dry), 122.0 kg (wet) |
| Fuel capacity | 2.11 Gallon (8.00 Liters) |
| Manuals | Service Manual |
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The Yamaha WR426F was a single cylinder, four-stroke Trail motorcycle produced by Yamaha between 2001 and 2002. Max torque was 29.5 ft/lbs (40.0 Nm) @ 7800 RPM. Claimed horsepower was 46.0 HP (34.3 KW) @ 9800 RPM.
Engine
The engine was a liquid cooled single cylinder, four-stroke. A 95.0mm bore x 60.1mm stroke result in a displacement of just 426.0 cubic centimeters. Fuel was supplied via a double overhead cams/twin cam (dohc).
Drive
The bike has a 5-speed transmission.
Chassis
It came with a 90/90-21 front tire and a 130/90-18 rear tire. Stopping was achieved via single disc in the front and a single disc in the rear. The WR426F was fitted with a 2.11 Gallon (8.00 Liters) fuel tank. The bike weighed just 248.02 pounds (112.5 Kg). The wheelbase was 58.66 inches (1490 mm) long.