Harley-Davidson Knucklehead & Flathead EL FL U UL Service Manual PDF | 1940-1947

Name: Harley-Davidson Knucklehead & Flathead EL FL U UL Service Manual PDF | 1940-1947
Brand: Harley-Davidson
SKU: HD_1940_1947_KNUCKLEHEAD
Price: 9.99 USD
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HARLEY-DAVIDSON 1940-1947

Knucklehead & Flathead Service Manual (1940-1947)

Harley-Davidson factory service manual for the 1940 to 1947 big twins: the 61 and 74 cu in OHV Knucklehead and the 74 and 80 cu in side-valve Flathead models. This 165-page manual is bookmarked by section and covers lubrication, engine overhaul, electrical, carburetor, transmission and clutch, wheels, frame and sidecar. Delivered instantly as a high-quality scan of the manual, compatible with any PC, Mac, tablet, or mobile device.

Adobe Acrobat (PDF) format
High-quality scan of the factory manual, bookmarked by section
Easily print any or all content
Everything needed to service & maintain your motorcycle
Troubleshooting instructions, wiring diagrams, and reference material

Models Covered

EL 61 cu in (1000cc) OHV Knucklehead
FL 74 cu in (1200cc) OHV Knucklehead
U / US 74 cu in (1200cc) side-valve Flathead
UL / ULH 74 and 80 cu in (1200cc / 1300cc) side-valve Flathead

Table of Contents (165 Pages)

Trouble Chart
Initial Service of New Motorcycle
Engine Lubrication
Overhauling Engine
Electrical
Carburetor
Transmission & Clutch
Wheels, Hubs & Tires
Fork, Frame & Handlebars
Sidecar
Detailed Index

What's Included

Specifications, lubrication chart and service intervals
Troubleshooting charts
Engine disassembly, overhaul and adjustment
Carburetor, ignition and generator service
Clutch, transmission and chain drive
Wheels, brakes, forks and frame
Wiring diagrams

Features

Printable PDF, bookmarked by section
High-resolution diagrams and schematics
Works on PC, Mac, tablet, and mobile devices
Important: This is a digital PDF manual. No paper book will be provided.

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Frequently Asked Questions

Q: Which Harley-Davidson Knucklehead 1940-1947 models does this manual cover?

A: It covers the EL 61 cu in (1000cc) OHV Knucklehead, FL 74 cu in (1200cc) OHV Knucklehead, U / US 74 cu in (1200cc) side-valve Flathead and UL / ULH 74 and 80 cu in (1200cc / 1300cc) side-valve Flathead for model years 1940-1947.

Q: How long is the Harley-Davidson Knucklehead 1940-1947 manual and what sections does it contain?

A: The PDF is 165 pages with 11 main sections: Trouble Chart; Initial Service of New Motorcycle; Engine Lubrication; Overhauling Engine; Electrical; Carburetor; Transmission & Clutch; Wheels, Hubs & Tires; Fork, Frame & Handlebars; Sidecar; Detailed Index.

Q: What repair and service procedures does the Harley-Davidson Knucklehead 1940-1947 manual cover?

A: The listing covers: Specifications, lubrication chart and service intervals; Troubleshooting charts; Engine disassembly, overhaul and adjustment; Carburetor, ignition and generator service; Clutch, transmission and chain drive; Wheels, brakes, forks and frame; Wiring diagrams.

Q: Does the Harley-Davidson Knucklehead 1940-1947 manual include wiring diagrams?

A: Yes. The electrical section includes the wiring information for these models.

Q: Does the Harley-Davidson Knucklehead 1940-1947 manual list torque specifications?

A: Yes. Torque values are given in the specifications and throughout the procedures.

Q: Can I use it to diagnose faults on the Harley-Davidson Knucklehead 1940-1947?

A: Yes. It includes the factory 'locating troubles' charts for the engine, carburetor, electrical system and chassis.

Q: Does it include maintenance schedules and service intervals?

A: Yes. It includes the service intervals and maintenance procedures.

Q: Does this manual cover other model years or related models?

A: This listing covers model years 1940-1947 only. For related models, see: Harley-Davidson Servi-Car (1940-1958); Harley-Davidson Panhead (1948-1957); Harley-Davidson Electra Glide (1959-1969).

Q: Will this manual help if my motorcycle won't crank or start?

A: Yes. The Electrical section covers the starting and ignition systems, with test procedures and wiring diagrams to find why the engine won't turn over or fire.

Q: Will it help if the clutch on my motorcycle slips or drags?

A: Yes. The Transmission & Clutch section covers clutch plate and spring inspection with wear limits, plus clutch adjustment.

Q: Will it help if my motorcycle runs rough or only runs on choke?

A: Yes. The Carburetor section covers carburetor disassembly, cleaning, jetting and float adjustment, the usual work after a machine has sat.

Q: Is this the right manual for my Harley-Davidson Knucklehead 1940-1947?

A: It is the right manual if your machine is one of the models listed under Models Covered and was built in 1940-1947. If you are not sure, message us with your model and year and we will point you to the correct listing.

Q: How do I receive this manual?

A: You receive a download link by email immediately after purchase. No physical item is shipped. The PDF works on any PC, Mac, tablet, or phone with free Adobe Acrobat Reader.

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DAL Manuals is an independent digital manual supplier. Brand names and model designations are used only to identify manual compatibility. DAL Manuals is not affiliated with, endorsed by, or sponsored by any manufacturer named on this page.

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