🏷️ Basic Information

Make:

Husqvarna

Model:

All WR (Wide Ratio) Models Except 125

Year:

1974

Product Code:

Husky Parts Catalogue 1974 WR (Excl. 125)

👋 Introduction

Category:

Off-road Motorcycle Parts Catalogue

Target Audience:

Husqvarna WR motorcycle owners, vintage motorcycle restorers, specialized mechanics, parts suppliers

Value Proposition:

Essential tool for identifying and sourcing hard-to-find original parts for vintage Husqvarna WR models, enabling accurate repairs and restorations.

Feature 1:

Comprehensive exploded diagrams for visual part identification.

Feature 2:

OEM part number listings for precise part ordering.

Feature 3:

Covers a range of WR models, providing broad utility for owners of this era of Husqvarna.

📋 Manual Details

Engine Coverage:

Complete engine component identification and parts listing

Chassis Coverage:

Frame, suspension (front forks, rear shocks), wheels, brakes, handlebars, footpegs

Drivetrain Coverage:

Clutch, gearbox (wide ratio transmission components), final drive (chain, sprockets)

Fuel System Coverage:

Carburetor components, fuel tank, fuel lines

Electrical System Coverage:

Ignition system components, lighting (if applicable), wiring harness (component identification)

Bodywork Coverage:

Fenders, seat, fuel tank graphics/badges, side panels

Estimated Page Count:

Variable (typical for parts catalogues, likely 100-200+ pages depending on specific models covered)

Type:

Parts Catalogue / Parts Manual

Language:

English

Delivery Format:

PDF

📖 Manual Coverage

Engine Systems:

Cylinder, piston, crankshaft, connecting rod, bearings, seals, gaskets, cooling (air-cooled), exhaust system components

Transmission Systems:

Gear sets, shift drum, shift forks, clutch plates, clutch basket, primary drive gear, output shaft, input shaft, gearbox bearings and seals

Suspension Systems:

Front fork internals (springs, dampers, seals), rear shock absorber components (springs, seals, damping rods), linkage components (if applicable)

Braking Systems:

Drum brake components (shoes, springs, actuators), brake levers, brake cables

Electrical Systems:

Magneto ignition components, spark plug, HT lead, ignition coil, wiring loom connectors (identification)

Identification Procedures:

Detailed exploded diagrams for component identification, OEM part number cross-referencing

Assembly Disassembly Guides:

Visual guides to component relationships and assembly order for parts ordering

Maintenance Part Ordering:

Facilitates identification and ordering of specific replacement parts for maintenance and repair

Depth:

Component-level identification and part number specification for all major mechanical and chassis systems. Not a diagnostic or repair procedure manual.

📊 Manual Specifications

Format:

PDF (Portable Document Format)

Searchability:

Likely text-searchable if original document was OCR'd

Quality:

Dependent on original document scan quality. Likely sufficient for part identification.

Binding:

N/A (Digital Download)

Paper:

N/A (Digital Download)

⚙️ Engine Specifications

Engine Type:

2-stroke, air-cooled

Displacement Range:

Typically 250cc, 360cc, 390cc, 420cc, 450cc for WR models of this era (excluding the 125cc models)

Power Output:

N/A (Parts Catalogue format)

Torque Output:

N/A (Parts Catalogue format)

Carburetor Type:

Typically Mikuni or Bing (specific models vary)

Fuel Delivery:

Carburetor

🔧 Transmission

Transmission Type:

6-speed constant mesh, wide-ratio gearbox

Optional Transmissions:

N/A for this specific model year/variant focus

Clutch Type:

Wet, multi-plate

📐 Dimensions

Wheelbase:

N/A (Parts Catalogue format)

Seat Height:

N/A (Parts Catalogue format)

Dry Weight:

N/A (Parts Catalogue format)

🛡️ Safety Features

Safety Ratings:

N/A (Vintage Off-Road Motorcycle)

Active Safety Features:

None specifically documented, relies on rider skill and mechanical condition.

Passive Safety Features:

Frame integrity, effective braking (for the era), suspension components.

💡 Technology Features

Infotainment Systems:

N/A (Basic off-road motorcycle)

Driver Assistance Features:

N/A

Connectivity Options:

N/A

🔧 Maintenance

Spark Plug Replacement:

N/A (Parts Catalogue format)

Piston Ring Replacement:

N/A (Parts Catalogue format)

Engine Oil Type:

Pre-mix fuel/oil (specific ratio recommended, typically 25:1 or 40:1 with high-quality 2-stroke oil). Oil for gearbox/clutch is separate.

Gearbox Oil Type:

SAE 80W gear oil or equivalent (specific viscosity may be listed in an accompanying service manual).

Common Wear Items:

Clutch plates, piston rings, crank seals, wheel bearings, steering head bearings, swingarm pivot bearings, fork seals.

Potential Failures:

Cracked crankcases due to vibration or impact, gearbox wear, ignition system component failure (magneto).

📚 Vehicle History

Brand Origins:

Husqvarna Motorcycles is one of the oldest motorcycle manufacturers in the world, founded in Sweden in 1689 (initially as a weapons manufacturer). Motorcycle production began in 1903.

Wr Series Evolution:

The WR (Wide Ratio) series was developed for enduro and cross-country riding, offering a broader gear spread than dedicated motocross models. The 1974 models represent a significant period of Husqvarna's dominance in off-road racing.

Manufacturing Location:

Sweden

Production Era:

Mid-1970s, a period of significant development and competition in European off-road motorcycle manufacturing.

🏆 Awards & Recognition

Racing Success:

Husqvarna WR models achieved significant success in enduro and cross-country racing during the 1970s, often dominating international events and gaining a reputation for reliability and performance.