Target Audience:
Mechanics and DIY enthusiasts seeking detailed repair and maintenance information for AJS 16, 18, and 31 models.
Vehicle Segment:
Classic British motorcycles, often used for general riding, commuting, and historical club events.
Comprehensiveness:
Offers extensive step-by-step procedures, explanations, and pictorial diagrams for all service and repair operations.
User Friendliness:
Prepared with simple explanations to enable even less experienced personnel to perform satisfactory after-services.
Visual Aids:
Supported by photographs, notes, drawings, schematics, and exploded and sectional drawings to simplify repair work.
Engine:
Detailed procedures for engine disassembly, assembly, inspection, and repair, including cylinder head, pistons, crankshaft, camshaft, timing, lubrication system, and cooling system (if applicable to specific models within the range).
Transmission:
Complete guide to gearbox removal, disassembly, inspection, assembly, and adjustment, including gear selection mechanisms and associated components.
Chassis And Suspension:
Covers frame inspection, front fork (telescopic or girder, depending on model), rear suspension (swing arm, shock absorbers), steering head bearings, and wheel hub servicing.
Brakes:
Detailed instructions for brake system maintenance, adjustment, and repair, including drum brake mechanisms, brake shoes, cables, and linkage.
Electrical System:
Guidance on ignition system (magneto, coil, spark plug), lighting system, wiring diagrams, and basic electrical component testing.
Fuel System:
Information on carburettor servicing, fuel tank maintenance, fuel lines, and associated components.
Frame And Bodywork:
Covers frame inspection for damage or distortion, mudguard removal/installation, and general body panel servicing.
Clutch And Drive:
Covers clutch operation, adjustment, wear, and final drive chain and sprockets.
Maintenance:
Periodic maintenance schedules, lubrication points, filter replacements, and general upkeep procedures.
Troubleshooting:
Diagnostic procedures for common problems, symptom-based troubleshooting guides, and potential causes and solutions.
Repair And Overhaul:
Comprehensive step-by-step instructions for component removal, disassembly, cleaning, inspection, repair, reassembly, and installation.
Adjustments:
Precise instructions for clutch adjustment, throttle cable adjustment, brake adjustment, ignition timing adjustment, and valve clearance adjustment.
Component Identification:
Clear identification of all major components and sub-assemblies within the motorcycle.
Lubrication Schedule:
Detailed lubrication schedule, specifying the type of lubricant and intervals for various points (e.g., pivot points, cable lubrication).
Wiring Diagrams:
Inclusion of wiring diagrams to aid in diagnosis and repair of the electrical system.
Rebuilding Procedures:
Detailed procedures for rebuilding major engine and transmission components.
Scope:
Full workshop repair and service manual covering routine maintenance to major component overhauls.
Detail Level:
Detailed explanations, pictorial diagrams, exploded views, and photographs to guide technicians and DIY enthusiasts.
Special Tools:
Identification and usage instructions for specialized tools required for specific repair and adjustment operations.
Diagrams And Illustrations:
Extensive use of detailed illustrations, exploded diagrams, and photographs to clarify procedures and component relationships.
Torque Specifications:
Specific torque values for critical fasteners and threaded connections to ensure proper assembly and prevent component failure.
Wear Limits:
Provides precise measurements for acceptable wear on critical components, enabling accurate assessment of component condition.
Diagnostic Information:
Provides diagnostic information for identifying and resolving mechanical and electrical issues.
Engine Type:
Single-cylinder, four-stroke OHV (Overhead Valve). Specific engine configurations and displacements vary between models 16, 18, and 31.
Engine Size Variations:
The model numbers (16, 18, 31) typically denote different engine displacements within the AJS range, e.g., 350cc, 500cc, or 600cc class engines.
Bore Stroke Variations:
The manual would detail specific bore and stroke dimensions for each model variant, influencing displacement and power output.
Carburetor Types:
Likely covers various Amal or similar vintage carburetor models, with detailed jetting, float level, and adjustment procedures.
Oil Change:
Likely specifies oil change intervals based on mileage or time, with specific oil type and quantity recommendations.
Engine Oil:
The manual would specify the recommended viscosity grade (e.g., SAE 20W-50, SAE 30) and type of engine oil suitable for these classic engines, often requiring a specific additive package for wet clutches.
Gearbox Oil:
Specification for gearbox oil viscosity and type, essential for proper lubrication and gear shifting.
Fork Oil:
Recommended fork oil viscosity and fill level for front suspension damping.
Common Wear Points:
Information on common wear points such as valve guides, piston rings, gearbox bearings, and clutch plates, with specified wear limits.
Carburetor Tuning:
Guidance on common carburetor tuning issues, such as fluctuating idle, poor acceleration, or misfiring, and their remedies.
Electrical Connections:
Potential issues with aging electrical wiring and connectors, with guidance on inspection and repair.
Ignition Timing:
Precise ignition timing specifications (e.g., degrees before Top Dead Center) for optimal engine performance and starting.
Valve Clearance:
Specific cold valve clearance settings (intake and exhaust) for each model variant to ensure proper engine operation.
Spark Plug Gap:
Recommended spark plug gap for correct ignition timing and combustion efficiency.
Tire Pressures:
Recommended tire pressures for front and rear wheels for safe and optimal handling.
Chain Tension:
Specifications for final drive chain tension adjustment to prevent premature wear and ensure smooth power delivery.