This manual covers the motorcycle produced between 1940 and 1947. The Knucklehead is renowned for its revolutionary design, featuring distinctive overhead valve rocker boxes and a robust V-twin engine available in 61 cubic inch (E series) and 74 cubic inch...
🏷️ Basic Information Identification Make: Harley-Davidson Model: Knucklehead Production Years Covered: 1940-1947 Codes Engine Designation: E, F, FL, EL, U, UL, UH, ULH 👋 Introduction Market Position Historical Significance: The Knucklehead is a cornerstone of Harley-Davidson's vintage motorcycle legacy, representing...
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