Harley-Davidson Model W Sport Twin: history, specs, pictures

The Harley-Davidson Model WLA was a v2, four-stroke standard produced by Harley-Davidson between 1919 and 1942.

Harley-Davidson Model W Sport Twin
Also called Model WLA
Production 1919 - 1942
v2, four-stroke
Bore / Stroke 69.8mm x 96.8mm
Fuel System carburetor. linkert
Ignition hd generator
Transmission Final Drive: chain
Suspension Front: leading link -coil springs
Rear: rigid-
Brakes Front: expanding brake (drum brake)
Rear: expanding brake (drum brake)
Front Tire 3-26
Rear Tire 3-26
Weight 539.91 pounds (244.9 Kg) (dry),
Manuals Service Manual


A 69.8mm bore x 96.8mm stroke result in a displacement of just 740.0 cubic centimeters. Fuel was supplied via a sidevalves.


It came with a 3-26 front tire and a 3-26 rear tire. Stopping was achieved via expanding brake (drum brake) in the front and a expanding brake (drum brake) in the rear. The front suspension was a leading link -coil springs while the rear was equipped with a rigid-. The bike weighed just 539.91 pounds (244.9 Kg).