High-compression, sporting magneto model - produced from 1959 to 1969 High Compression, more of a luxury model, 1958-1969 Overhead valves, displacing 883cc, produced in 1957, 1958, 1959 Long stroke 888cc model, produced from 1954 through 1956Ī hotter version of the KH, produced from 1954 through 1956Ĭompetition K - Flat Track, various yearsĬompetition K - Scrambles and Trials, various yearsĬompetition K - Tourist Trophy racing, various yearsĬompetition KH - Scrambles and Trials, various yearsĬompetition KH - Tourist Trophy racing, various years The original, displacing 750cc, produced in 19Ī hotter version of the K, produced only in 1953 The OSKRG ( Old Sportster and K Model Research Group) is a group of individuals who enjoy preserving the history of these motorcycles, so others can restore them correctly, and keep them alive and running. The Ks and early Sportsters share many components and service procedures.
We also cover the early Sportster models through 1969, as these are essentially K Models with overhead valves. Welcome to Harley K Model, dedicated to the preservation and restoration of the 1952 to 1956 Harley-Davidson flathead unit‑construction motorcycles, With the alphabet soup of model designations, these bikes are affectionately known as the “K models”.