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HARLEY DAVIDSON KNUCKLEHEAD FLATHEAD Workshop Repair Manual 1940-1947

HARLEY DAVIDSON KNUCKLEHEAD FLATHEAD Workshop Repair Manual 1940-1947

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  • Model
    Knucklehead
  • Manufactured by
    Harley Davidson
This manual covers the Knucklehead FL models produced between 1940 and 1947. The Knucklehead, a pivotal model in history, is renowned for its iconic overhead valve (OHV) Flathead V-twin engine, available in 61 and 74 cubic inch displacements. Its distinctive rocker box covers earned it the nickname "Knucklehead." This era of motorcycles represents a significant advancement in design and performance, offering a powerful riding experience characterized by robust engineering and a unique aesthetic that continues to be revered by enthusiasts.

This comprehensive Professional Workshop Service & Repair Manual provides detailed information for the maintenance, diagnosis, and repair of your Knucklehead. It covers all major systems, including the engine, transmission, fuel system, electrical system, brakes, suspension, and frame. Within its thousands of pages, you will find step-by-step procedures for disassembly, assembly, adjustments, and component overhauls, alongside essential technical specifications, wiring diagrams, and troubleshooting guides. This resource is designed to assist owners and professional mechanics in preserving the integrity and performance of these classic machines.

Top Quality Professional Workshop Service & Repair Manuals Available To Download.

These manuals are the same as the manuals given to official dealers Workshops, they contain detailed instructions and step by step diagrams for all workshop procedures. Everything from changing the plugs to rebuilding the engine, as well as electrical diagrams, torque settings, fluid capacities, etc. All service and repair procedures are covered.

At the click of a mouse you have access to the most comprehensive diagnostic, service, repair and maintenance information as used by professional technicians & mechanics.

Written by the manufacturers, these original workshop manuals contain thousands of pages of diagrams and detailed information for specific vehicle or equipment repair. These Original Service Manuals, Wiring Diagrams and Bulletins are the most accurate and complete available.

Each Service Repair Workshop Manual is year and model specific. It features factory diagnostic and repair procedures and can give you access to the same repair information that certified technicians and mechanics use.


All in easy to use Acrobat PDF files.
All Manuals are both Windows & MAC compatible.
All forms of payment accepted, Paypal, Credit & Debit Cards.

Click On The Above Download NOW Button.


Top Quality Professional Workshop Service & Repair Manuals Available To Download.

These manuals are the same as the manuals given to official dealers Workshops, they contain detailed instructions and step by step diagrams for all workshop procedures. Everything from changing the plugs to rebuilding the engine, as well as electrical diagrams, torque settings, fluid capacities, etc. All service and repair procedures are covered.

At the click of a mouse you have access to the most comprehensive diagnostic, service, repair and maintenance information as used by professional technicians & mechanics.

Written by the manufacturers, these original workshop manuals contain thousands of pages of diagrams and detailed information for specific vehicle or equipment repair. These Original Service Manuals, Wiring Diagrams and Bulletins are the most accurate and complete available.

Each Service Repair Workshop Manual is year and model specific. It features factory diagnostic and repair procedures and can give you access to the same repair information that certified technicians and mechanics use.


All in easy to use Acrobat PDF files.
All Manuals are both Windows & MAC compatible.
All forms of payment accepted, Paypal, Credit & Debit Cards.

Click On The Above Download NOW Button.