Yamaha WR426: history, specs, pictures

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Yamaha WR426
Manufacturer Yamaha
Also called WR426F, WR 426 F, WR 426
Production 2001 - 2002
Predecessor Yamaha WR400
Successor Yamaha WR450
Class Enduro
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 carburetor
Sparkplug NGK CR8E
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[edit]

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[edit]

The bike has a 5-speed transmission.

Chassis[edit]

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.

2002[edit]

2002 Yamaha WR426 in Blue
2002 Yamaha WR426 in Blue
2002 Yamaha WR426 in Blue


In Media[edit]