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

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.

2002

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


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