17K views · 1.5K reactions | 1928 Harley-Davidson 74-inch JD with original paint 1934 Peashooter tanks & speedway clutch. Engine built by @departurebikeworks . #Sonsofspeed #Harleydavidson #jd #harley #engineporn | Billy Lane of Choppers Inc. | Facebook

1928 Harley-Davidson Model 28B From the beginning in 1903, the single cylinder engine was a mainstay for Harley-Davidson and most other motorcycle manufacturers. It was not until 1909 that Harley-Davidson added the V-Twin design. Introduced in 1926, by 1934 these 21.1 and 30.50 cubic inch singles were gone from the lineup. Next up was the Model C as Harley’s lightweight followed by a variety of DKW-based designs. That was until the Aermacchi line up was added in the 1960’s, and much later the Bu