Husqvarna WR400: history, specs, pictures

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The Husqvarna WR400 is a 400cc single cylinder, motocross motorcycle manufactured by Husqvarna in Husqvarna, Sweden.

1973[edit]

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List of Husqvarna motorcycles



Husqvarna WR400
Manufacturer
Also called 400 WR
Production 1985 - 1990
Engine
single cylinder, two-stroke
Bore / Stroke 82.5mm x 74.0mm
Top Speed 68 mph (110 km/h)
Horsepower 16.63 HP (12.4 KW) @ 5500RPM
Spark Plug NGK ‘74-75[1]
Battery 12.5:1
Transmission Gear box: 6-speed
Final Drive: chain
Brakes Front: single disc
Rear: expanding brake
Front Tire 90/90-21
Rear Tire 140/80-18
Weight 110.0 kg (wet)
Fuel Capacity 2.77 Gallon (10.50 Liters)
Manuals Service Manual


The Husqvarna 400 WR was a single cylinder, two-stroke standard produced by Husqvarna between 1985 and 1990. It could reach a top speed of 68 mph (110 km/h). Claimed horsepower was 16.63 HP (12.4 KW) @ 5500 RPM.

Engine[edit]

The engine was a liquid cooled single cylinder, two-stroke. A 82.5mm bore x 74.0mm stroke result in a displacement of just 395.0 cubic centimeters. Fuel was supplied via a membrane.

Drive[edit]

The bike has a 6-speed transmission.

Chassis[edit]

It came with a 90/90-21 front tire and a 140/80-18 rear tire. Stopping was achieved via single disc in the front and a expanding brake in the rear. The 400 WR was fitted with a 2.77 Gallon (10.50 Liters) fuel tank.

References[edit]

  1. 2019 Western Power Sports Catalog. Western Power Sports. 2019.