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Harley Davidson Knucklehead 1940-1947 All Service Repair Manual

Harley Davidson Knucklehead 1940-1947 All Service Repair Manual

★★★★★ 4.5/5
530,000+ Happy Customers
  • Model
    Knucklehead
  • Manufactured by
    Harley Davidson
This manual provides comprehensive service and repair information for the Harley-Davidson Knucklehead motorcycles produced between 1940 and 1947. The Knucklehead, a significant model in Harley-Davidson's history, is renowned for its innovative recirculating oil system and distinctive valve cover design. These iconic V-twin motorcycles, manufactured in Milwaukee, Wisconsin, are characterized by their robust engineering and enduring performance, making them highly sought after by enthusiasts and collectors. This guide is an essential resource for maintaining and restoring these classic machines, offering deep insights into their intricate design and operational nuances.

The purpose of this manual is to equip owners, mechanics, and technicians with the detailed knowledge required for all aspects of service and repair. It covers a wide array of critical systems, including engine overhaul, transmission service, brake system maintenance, electrical system diagnostics, suspension adjustments, and fuel system care. With step-by-step instructions, troubleshooting guides, and precise technical specifications, this manual facilitates everything from routine maintenance and minor repairs to complete engine and transmission rebuilds, ensuring the longevity and optimal performance of your Harley-Davidson Knucklehead.

Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 All Service Repair Manual Download


Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947
So many people prefer to do car repairs with their own hands in order to be sure of the highest quality of the work. Also, a lot of people find it wise enough to save money wherever tasks can be done by themselves. Thus, many motor vehicle technicians came together to form vehicle service and repair manuals. Such manuals are basically complete informational books that contain instructions to conduct vehicle repairs without the need of a mechanic; i.e. totally independently.

The authors of these books are happy to share with you experiences on car repair and maintenance. In these books all those who lack technical knowledge of vehicles will find a lot of valuable tips on how to better serve their endeared vehicles. These books will help you properly disassemble, reassemble, repair, service, maintain, refurbish, renovate, mend and fix.

All guides for car repairs will help you quickly understand all the intricacies and peculiarities of design and construction of your auto equipment or machine. In the manuals the vast collection of useful information is compiled. You can download car repair manuals PDF, service manual PDF, workshop manual PDF maintenance, electrical wiring diagrams for all types of cars, machinery and vehicles. Once you get access to repair manuals PDF and books form, it will definitely help you solving any problems encountered in the operation of your vehicle, regardless of its brand and model, year and country of manufacture, modification and tooling.


This Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 All Service Repair Manual covers all aspects of repair:

-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 General Maintenance
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Troubleshooting
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Engine Service / Repair
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Transmission Service / Repair
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Brake System
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Wiring Diagram
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Electrical System
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Suspension
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Periodic Lubrication
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Steering
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Cooling System
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Fuel Injection / Fuel System
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Emission System
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Engine Control System
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Chassis / Body
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Restraint System
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Axle
-Lots more....

Benefits of Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 All Service Repair Manual.

It is convenient as you get faster downloading of books in a couple of clicks.

-You will be able to solve a lot of money from car repairs.

-You get in-depth knowledge of your vehicle which you will require in cases of emergency.

Best auto service & repair manuals appear on your gadget in a short time span, so you can repair anytime, anywhere.

You will not feel the need to go through hundreds of bookstores searching for the necessary instructions or manuals for independent car repair.

All the books on car repair manuals are available for downloading absolutely at lowest prices in our industry.
Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 All Service Repair Manual Product Details:

- This manual is in PDF format.

- All textbooks are in English and you just need Adobe PDF Reader & WinZip to use them.

- Can be used on all versions of Windows & Mac.





Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 All Service Repair Manual Download


Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947
So many people prefer to do car repairs with their own hands in order to be sure of the highest quality of the work. Also, a lot of people find it wise enough to save money wherever tasks can be done by themselves. Thus, many motor vehicle technicians came together to form vehicle service and repair manuals. Such manuals are basically complete informational books that contain instructions to conduct vehicle repairs without the need of a mechanic; i.e. totally independently.

The authors of these books are happy to share with you experiences on car repair and maintenance. In these books all those who lack technical knowledge of vehicles will find a lot of valuable tips on how to better serve their endeared vehicles. These books will help you properly disassemble, reassemble, repair, service, maintain, refurbish, renovate, mend and fix.

All guides for car repairs will help you quickly understand all the intricacies and peculiarities of design and construction of your auto equipment or machine. In the manuals the vast collection of useful information is compiled. You can download car repair manuals PDF, service manual PDF, workshop manual PDF maintenance, electrical wiring diagrams for all types of cars, machinery and vehicles. Once you get access to repair manuals PDF and books form, it will definitely help you solving any problems encountered in the operation of your vehicle, regardless of its brand and model, year and country of manufacture, modification and tooling.


This Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 All Service Repair Manual covers all aspects of repair:

-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 General Maintenance
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Troubleshooting
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Engine Service / Repair
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Transmission Service / Repair
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Brake System
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Wiring Diagram
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Electrical System
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Suspension
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Periodic Lubrication
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Steering
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Cooling System
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Fuel Injection / Fuel System
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Emission System
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Engine Control System
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Chassis / Body
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Restraint System
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Axle
-Lots more....

Benefits of Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 All Service Repair Manual.

It is convenient as you get faster downloading of books in a couple of clicks.

-You will be able to solve a lot of money from car repairs.

-You get in-depth knowledge of your vehicle which you will require in cases of emergency.

Best auto service & repair manuals appear on your gadget in a short time span, so you can repair anytime, anywhere.

You will not feel the need to go through hundreds of bookstores searching for the necessary instructions or manuals for independent car repair.

All the books on car repair manuals are available for downloading absolutely at lowest prices in our industry.
Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 All Service Repair Manual Product Details:

- This manual is in PDF format.

- All textbooks are in English and you just need Adobe PDF Reader & WinZip to use them.

- Can be used on all versions of Windows & Mac.




Harley Davidson Knucklehead 1940-1947 All Service Repair Manual

Harley Davidson Knucklehead 1940-1947 All Service Repair Manual

★★★★★ 4.5/5
530,000+ Happy Customers
  • Model
    Knucklehead
  • Manufactured by
    Harley Davidson
This manual provides comprehensive service and repair information for the Harley-Davidson Knucklehead motorcycles produced between 1940 and 1947. The Knucklehead, a significant model in Harley-Davidson's history, is renowned for its innovative recirculating oil system and distinctive valve cover design. These iconic V-twin motorcycles, manufactured in Milwaukee, Wisconsin, are characterized by their robust engineering and enduring performance, making them highly sought after by enthusiasts and collectors. This guide is an essential resource for maintaining and restoring these classic machines, offering deep insights into their intricate design and operational nuances.

The purpose of this manual is to equip owners, mechanics, and technicians with the detailed knowledge required for all aspects of service and repair. It covers a wide array of critical systems, including engine overhaul, transmission service, brake system maintenance, electrical system diagnostics, suspension adjustments, and fuel system care. With step-by-step instructions, troubleshooting guides, and precise technical specifications, this manual facilitates everything from routine maintenance and minor repairs to complete engine and transmission rebuilds, ensuring the longevity and optimal performance of your Harley-Davidson Knucklehead.

Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 All Service Repair Manual Download


Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947
So many people prefer to do car repairs with their own hands in order to be sure of the highest quality of the work. Also, a lot of people find it wise enough to save money wherever tasks can be done by themselves. Thus, many motor vehicle technicians came together to form vehicle service and repair manuals. Such manuals are basically complete informational books that contain instructions to conduct vehicle repairs without the need of a mechanic; i.e. totally independently.

The authors of these books are happy to share with you experiences on car repair and maintenance. In these books all those who lack technical knowledge of vehicles will find a lot of valuable tips on how to better serve their endeared vehicles. These books will help you properly disassemble, reassemble, repair, service, maintain, refurbish, renovate, mend and fix.

All guides for car repairs will help you quickly understand all the intricacies and peculiarities of design and construction of your auto equipment or machine. In the manuals the vast collection of useful information is compiled. You can download car repair manuals PDF, service manual PDF, workshop manual PDF maintenance, electrical wiring diagrams for all types of cars, machinery and vehicles. Once you get access to repair manuals PDF and books form, it will definitely help you solving any problems encountered in the operation of your vehicle, regardless of its brand and model, year and country of manufacture, modification and tooling.


This Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 All Service Repair Manual covers all aspects of repair:

-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 General Maintenance
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Troubleshooting
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Engine Service / Repair
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Transmission Service / Repair
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Brake System
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Wiring Diagram
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Electrical System
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Suspension
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Periodic Lubrication
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Steering
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Cooling System
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Fuel Injection / Fuel System
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Emission System
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Engine Control System
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Chassis / Body
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Restraint System
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Axle
-Lots more....

Benefits of Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 All Service Repair Manual.

It is convenient as you get faster downloading of books in a couple of clicks.

-You will be able to solve a lot of money from car repairs.

-You get in-depth knowledge of your vehicle which you will require in cases of emergency.

Best auto service & repair manuals appear on your gadget in a short time span, so you can repair anytime, anywhere.

You will not feel the need to go through hundreds of bookstores searching for the necessary instructions or manuals for independent car repair.

All the books on car repair manuals are available for downloading absolutely at lowest prices in our industry.
Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 All Service Repair Manual Product Details:

- This manual is in PDF format.

- All textbooks are in English and you just need Adobe PDF Reader & WinZip to use them.

- Can be used on all versions of Windows & Mac.





Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 All Service Repair Manual Download


Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947
So many people prefer to do car repairs with their own hands in order to be sure of the highest quality of the work. Also, a lot of people find it wise enough to save money wherever tasks can be done by themselves. Thus, many motor vehicle technicians came together to form vehicle service and repair manuals. Such manuals are basically complete informational books that contain instructions to conduct vehicle repairs without the need of a mechanic; i.e. totally independently.

The authors of these books are happy to share with you experiences on car repair and maintenance. In these books all those who lack technical knowledge of vehicles will find a lot of valuable tips on how to better serve their endeared vehicles. These books will help you properly disassemble, reassemble, repair, service, maintain, refurbish, renovate, mend and fix.

All guides for car repairs will help you quickly understand all the intricacies and peculiarities of design and construction of your auto equipment or machine. In the manuals the vast collection of useful information is compiled. You can download car repair manuals PDF, service manual PDF, workshop manual PDF maintenance, electrical wiring diagrams for all types of cars, machinery and vehicles. Once you get access to repair manuals PDF and books form, it will definitely help you solving any problems encountered in the operation of your vehicle, regardless of its brand and model, year and country of manufacture, modification and tooling.


This Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 All Service Repair Manual covers all aspects of repair:

-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 General Maintenance
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Troubleshooting
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Engine Service / Repair
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Transmission Service / Repair
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Brake System
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Wiring Diagram
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Electrical System
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Suspension
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Periodic Lubrication
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Steering
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Cooling System
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Fuel Injection / Fuel System
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Emission System
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Engine Control System
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Chassis / Body
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Restraint System
-Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 Axle
-Lots more....

Benefits of Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 All Service Repair Manual.

It is convenient as you get faster downloading of books in a couple of clicks.

-You will be able to solve a lot of money from car repairs.

-You get in-depth knowledge of your vehicle which you will require in cases of emergency.

Best auto service & repair manuals appear on your gadget in a short time span, so you can repair anytime, anywhere.

You will not feel the need to go through hundreds of bookstores searching for the necessary instructions or manuals for independent car repair.

All the books on car repair manuals are available for downloading absolutely at lowest prices in our industry.
Harley Davidson Knucklehead 1940 1941 1942 1943 1944 1945 1946 1947 All Service Repair Manual Product Details:

- This manual is in PDF format.

- All textbooks are in English and you just need Adobe PDF Reader & WinZip to use them.

- Can be used on all versions of Windows & Mac.