Harley-Davidson WLA Service Manual 1929-1952
1929-1952 Harley-Davidson WLA Engine Overhaul Service Manual documentation with detailed engine overhaul procedures, component removal, and assembly instructions. Publication TM 9-879.
Manual Preview
Sample pages from the Harley-Davidson WLA Service Manual 1929-1952 manual
Purchase & Download
Harley-Davidson Models Covered & Key Technical Specifications
Models: Harley-Davidson WLA, 45 Solo
Sub-models / Variants: Side Valve Engine Models, 1941 and Later Servi-Car, 1929–1940 45 models
Build Years: 1929–1952
Technical Data:
- Engine type: V-type, L-head, 2-cylinder, 4-stroke
- Engine displacement: 45.12 cu. in. (750 c.c.)
- Compression ratio: 5.0 to 1
- Fuel type: 72 octane or higher
- Engine weight: 114 lb
- Transmission type: Constant-mesh, progressive, 3-speed
- Ignition system: Battery-powered, breaker-point type
- Clutch type: Multiple dry-disk, fiber-lined
Harley-Davidson Manual Features & Content Preview
Technical Scope and Features for the 1929–1952 Harley-Davidson WLA
- Covers 1929–1952 Harley-Davidson WLA and Solo 45 models, including 1941 and later Servi-Car variants
- Original OEM publication with extensive overhaul data for the 45 cubic inch (750 c.c.) side-valve L-head V-twin engine
- Contains 128 labeled technical illustrations, 15 chapters of service protocols, and detailed fits and tolerances tables
- File link appears in your order confirmation straight away
- Suitable for printing individual sections for shop-floor use
- Indexed PDF search covers every chapter and appendix
- This 110-page manual is the foundational reference for servicing the 45-inch side-valve power plant and drivetrain architecture
Engine and Drivetrain Documentation
This official service publication provides specialized guidance for the teardown and overhaul of the 1929–1952 Harley-Davidson WLA motorcycle engine. It details the internal mechanics of the 45-inch V-twin, including cylinder and piston assembly removal, connecting rod bearing inspections, and flywheel assembly alignment. The documentation expands into the fuel and intake systems, featuring the Linkert M88 carburetor, along with comprehensive information on ignition timing, electrical generating systems, and chassis maintenance requirements.
Precision Data and Technical Specifications
This manual presents detailed tolerance charts, valve clearance settings, and torque specifications necessary for critical engine assembly. Standard cylinder bore is specified at 2.7445 to 2.7455 inches. Intake valve clearance (engine cold) is documented at 0.004 to 0.005 inches. Mainshaft end play must be maintained at 0.003 to 0.005 inches as noted in the drivetrain specifications. Proper how factory workshop documentation is structured is essential for maintaining these vintage machines. Note: This page is a contents overview for the manual. It does not provide repair or diagnostic instructions. An authoritative 110-page Harley-Davidson OEM service manual covering the 1929–1952 WLA and Solo 45 motorcycles, documenting engine, transmission, electrical, and chassis technical specifications for these classic L-head side-valve engine builds.
Document Reference: Printed in the United States of America
Manual FAQ, Purchase & Download Details
Customer Reviews
Read what our customers say about this Harley-Davidson Motorcycle manual and share your own experience.