Years Covered:
        
        
            1915 - 1964
        
     
    
        
            Brand Coverage:
        
        
            AJS and Matchless Motorcycles
        
     
    
        
            Specific Models Included Examples:
        
        
            AJS: 6hp, 7hp, D, D1, E3, E5, B, B1, B2, B5, H3, H4, H5, K7, K10 OHC, Series M, Series R, S Series, 7R, 16M, 18, 18S, G3L, Singles, Twins. Matchless: G3L, G3LS, G3LC, G3LCS, G80, G80S, G80C, G80CS, G9, G11, G12, G2, G2CS, G5, various 350/500/650cc models.
        
     
    
        
            Component Coverage:
        
        
            Covers all major mechanical and electrical components of the motorcycles.
        
     
    
    
        
            Estimated Page Count:
        
        
            Varies by individual document, extensive collection.
        
     
    
    
        
            Type:
        
        
            Factory Service Manuals, Workshop Manuals, Instruction Manuals, Spares Manuals/Parts Catalogs
        
     
    
    
    
    
    
        
            Accessibility:
        
        
            PDF format allows for easy searching, printing of specific pages, and digital storage.
        
     
 
    
    
    
        
            Engine:
        
        
            Engine overhaul, rebuilding, tuning, ignition system, lubrication, cooling system (where applicable).
        
     
    
        
            Transmission:
        
        
            Gearbox disassembly, assembly, maintenance, clutch operation, gear ratios.
        
     
    
        
            Chassis:
        
        
            Frame inspection, front forks, rear suspension, wheel bearings, steering head.
        
     
    
        
            Electrical:
        
        
            Lighting system, charging system (magnetos/dynamos), ignition timing, wiring diagrams.
        
     
    
        
            Brakes:
        
        
            Drum brake systems, linkage adjustments, linings, hydraulic systems (later models).
        
     
    
        
            Fuel System:
        
        
            Carburetor tuning and rebuilding (e.g., Amal), fuel tank maintenance, fuel lines.
        
     
    
        
            Bodywork:
        
        
            Fender adjustments, seat mounting, fuel tank fitting, minor panel repairs.
        
     
    
        
            Suspension And Steering:
        
        
            Front fork servicing (telescopic and girder types), rear shock absorber maintenance, steering head bearing adjustment and replacement.
        
     
    
        
            Wheels And Tyres:
        
        
            Wheel bearing maintenance, spoke tensioning, tyre size recommendations, rim maintenance.
        
     
    
        
            Exhaust System:
        
        
            Exhaust pipe and silencer fitting, gasket replacement, troubleshooting for exhaust leaks.
        
     
    
        
            Lighting And Signaling:
        
        
            Headlight, taillight, brake light, turn signals (where fitted) maintenance and troubleshooting.
        
     
    
        
            Controls:
        
        
            Throttle, clutch, brake levers and cables, gear change mechanism, and foot controls. Adjustment and maintenance procedures.
        
     
    
    
        
            Maintenance:
        
        
            Oil changes, lubrication points, chain adjustment, brake adjustment, spark plug replacement, filter cleaning/replacement.
        
     
    
        
            Troubleshooting:
        
        
            Diagnosis of common running issues, electrical faults, mechanical problems with symptom-based guides.
        
     
    
        
            Repair:
        
        
            Detailed step-by-step instructions for engine rebuilds, gearbox repairs, suspension overhauls, electrical component replacement.
        
     
    
        
            Rebuilds:
        
        
            Complete engine and gearbox rebuilding procedures, including component tolerances and assembly sequences.
        
     
    
        
            Tuning:
        
        
            Carburetor adjustment, ignition timing setup for optimal performance.
        
     
    
        
            Parts Identification:
        
        
            Comprehensive parts lists with diagrams for identification and ordering of replacement components.
        
     
    
        
            Engine Rebuild Detail:
        
        
            Detailed instructions for piston and connecting rod installation, crankshaft balancing (where applicable), cylinder head assembly, and valve seating.
        
     
    
        
            Electrical Diagnostics:
        
        
            Troubleshooting ignition failures, charging system faults (generator/dynamo output), lighting circuit issues, and horn operation.
        
     
    
        
            Frame And Body Repair:
        
        
            Instructions for alignment checks, minor welding repairs, fairing (if applicable) or panel fitting, and plating/painting preparation advice.
        
     
    
        
            Troubleshooting Examples:
        
        
            Engine misfiring, loss of power, gearbox jumping out of mesh, brake fade, electrical shorts, and weak lighting.
        
     
    
        
            Electrical System Rebuild:
        
        
            Detailed instructions for armature winding checks, field coil testing, and dynamo/alternator output calibration.
        
     
    
    
        
            Depth:
        
        
            Comprehensive, covering basic maintenance to full engine and gearbox rebuilds. Includes detailed diagrams, specifications, and troubleshooting guides.
        
     
    
        
            Specific Procedures:
        
        
            Engine bore and stroke specifications, valve timing, piston ring gap, bearing clearances, electrical resistance values, torque settings for critical fasteners.
        
     
    
        
            Specification Detail:
        
        
            Provides critical technical data such as bore x stroke, compression ratios, clearances for pistons, rings, and bearings, and ignition coil resistance.
        
     
    
        
            Specialized Knowledge:
        
        
            Includes information on specific components like Burman gearboxes, Lucas electrical components, and Amal carburetors, providing expert-level detail.
        
     
 
    
    
    
        
            Engine Types Covered:
        
        
            Single-cylinder (e.g., 250cc, 350cc, 500cc), Parallel-twin, V-twin engines. Specific displacements vary by model.
        
     
    
    
        
            Performance Data:
        
        
            Torque and horsepower figures will be model-specific and detailed within individual manuals. Focus on reliability and usable power for the era.
        
     
    
    
        
            Carburetor Examples:
        
        
            Amal (various models), possibly Binks or other contemporary carburetors. Specifications for jetting, float levels, and settings are included.
        
     
    
    
        
            Ignition Types:
        
        
            Magnetos (e.g., Lucas, BTH), Coil ignition systems (later models). Timing specifications and troubleshooting are covered.
        
     
    
    
        
            Lubrication Systems:
        
        
            Total loss systems, early recirculating systems. Oil capacities and recommended grades are provided.
        
     
    
    
        
            Valve Gear:
        
        
            Overhead valve (OHV), Overhead Camshaft (OHC), and Side Valve (SV) configurations are covered across different models and eras. Details on valve lifters, pushrods, and rockers.
        
     
    
    
        
            Cooling Method:
        
        
            Air-cooled, as is typical for motorcycles of this era.
        
     
    
    
        
            Racing Engines:
        
        
            Specific manuals and sheets for racing models like the AJS 7R feature OHC configurations and high-performance tuning details.
        
     
 
    
    
    
        
            Typical Intervals:
        
        
            Highly variable by model and use. Basic checks like chain lubrication and brake adjustment were often daily/weekly tasks. Engine servicing varied greatly, potentially every few thousand miles for major overhauls.
        
     
    
    
        
            Engine Oil:
        
        
            Typically SAE 20W/50 or SAE 30 monograde oils for engines with separate gearboxes. For pre-unit construction, gearbox oil might be separate and specified. Consult specific manuals for exact grades.
        
     
    
        
            Gearbox Oil:
        
        
            EP (Extreme Pressure) gear oils for some gearboxes, or specific motorcycle gearbox oils. Capacities typically around 1 pint (0.5 liters).
        
     
    
        
            Brake Fluid:
        
        
            For models with hydraulic brakes (later 1950s onwards), DOT 3 or DOT 4 brake fluid would be specified. Earlier models used mechanical actuation.
        
     
    
    
        
            Common Wear Items:
        
        
            Valve guides, piston rings, primary drive chains, clutch plates, magneto wear, electrical component reliability, frame fatigue in high-stress areas.
        
     
    
        
            Maintenance Focus:
        
        
            Regular lubrication, decarbonization, and careful adjustment of mechanical components are critical for longevity.
        
     
    
        
            Carburetor Tuning Challenges:
        
        
            Setting up vintage carburetors for smooth idling and acceleration can be temperamental. Manuals provide guidance on float levels, jet sizes, and needle positions.
        
     
 
    
    
    
        
            Heritage:
        
        
            AJS (J. Arthur Anstey) and Matchless (Collier brothers) are iconic British motorcycle manufacturers with rich racing and production histories.
        
     
    
        
            Key Historical Models:
        
        
            AJS 7R ('Boy Racer'), AJS Porcupine, AJS G5, Matchless G3L ('Widowmaker'), Matchless G50, Matchless G12.
        
     
    
    
        
            Evolution Overview:
        
        
            The collection tracks the evolution from early side-valve singles to sophisticated OHC racing engines and increasingly powerful parallel twins. Key models like the AJS Porcupine, 7R, G3L, G9, and Matchless G12 are represented.
        
     
    
        
            Racing Heritage:
        
        
            Significant emphasis on racing models like the AJS 7R and competition variants, including tuning and performance modifications. Mention of Grand Prix successes.
        
     
    
    
        
            Production Period:
        
        
            Span from pioneering days (1915) through post-war economic boom and into the early 1960s, a golden age for British motorcycles.