1930 Harley-Davidson “Model D” 742cc side valve V-twin
1930 Harley-Davidson “Model D” 742cc side valve V-twin
Harley-Davidson 1930 “Model D” 742cc side valve V-twin frame # 2114 engine # 30D2114 The model D, which was in production from 1929 till 1931, is sometimes referred to as the “three cylinder Harley“, because of the remarkable verti..