🏷️ Basic Information Identification Make: AJS Model: 350/500 (various designations likely, e.g., Model 18, Model 16) Year: 1949 Codes Manual Product Name: AJS 350 500 1949 Service Repair Manual 👋 Introduction Market Position Target Audience: AJS motorcycle owners and enthusiasts performing their own maintenance and repairs Competitive Analysis Comparison To Alternatives: Recommended over imitation manuals; offers comprehensive coverage Key Features Benefit 1: Saves money on postage and packaging through instant download Benefit 2: Empowers owners to understand and fix their vehicles Benefit 3: Includes numerous illustrations to aid in repairs 📋 Manual Details Coverage Areas Primary Coverage: Comprehensive mechanical and electrical service, repair, and maintenance Engine Variants Covered: Both 350cc and 500cc engine configurations Page Count Estimated Page Count: Hundreds of pages (specific count not provided but implied to be extensive) Manual Type Type: Service and Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine: Engine overhaul, tuning, carburetor adjustment, lubrication, cooling system Transmission: Gearbox disassembly, assembly, adjustment, lubrication Clutch: Clutch operation, adjustment, replacement Suspension: Front fork (likely girder or telescopic), rear suspension (if applicable), bearing service Brakes: Drum brake inspection, adjustment, lining replacement Electrical: Ignition system (magneto/coil, points, condenser), lighting, wiring diagrams, dynamo/generator (if equipped) Fuel System: Fuel tank, fuel lines, carburetor overhaul and tuning (e.g., Amal) Chassis And Frame: Frame inspection, steering head bearings, wheel bearings Bodywork: Fenders, tank, seat mounting, general aesthetics Procedures Included Maintenance: Regular servicing, oil changes, lubrication points, chain adjustment, spark plug maintenance Troubleshooting: Diagnosing common running issues, electrical faults, mechanical problems Repair: Component disassembly, cleaning, inspection, fitting, and reassembly Engine Rebuild: Piston replacement, ring installation, valve grinding, crankshaft inspection Transmission Rebuild: Gear selection, bearing replacement, shaft alignment Technical Depth Depth: Comprehensive, covering everything from routine maintenance to full engine and gearbox rebuilds Detail Level: Detailed instructions with 'every nut and bolt' focus Diagnostic Support: Guidance on identifying and rectifying problems 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text for easy navigation Print Quality Printability: All pages are printable Binding Type Binding Type: Not applicable (PDF) Paper Type Paper Type: Not applicable (PDF) Quality Guarantee Quality: Guaranteed excellent quality Customer Service Support: Great customer service Delivery Delivery Method: Instant Download ⚙️ Engine Specifications Primary Engine Engine Type: 4-stroke, air-cooled, single-cylinder (OHV) Bore X Stroke 350Cc: Approximately 66mm x 72.8mm (typical for '350' models like Model 16) Bore X Stroke 500Cc: Approximately 79mm x 100mm (typical for '500' models like Model 18) Valvetrain: Overhead Valve (OHV) with pushrods Performance Estimated Horsepower 350Cc: Around 18-20 bhp (Varies by tune and model specific designation) Estimated Horsepower 500Cc: Around 24-28 bhp (Varies by tune and model specific designation) Fuel System Carburetor Type: Typically Amal (e.g., Monobloc or concentric types) Fuel Type: Leaded gasoline (typical for the era); specific octane rating and lead content would be in manual Lubrication System: Total loss or recirculating (depending on specific model variant); oil tank separate or integral Ignition System: Magneto ignition (e.g., Lucas) or Battery & Coil ignition system with contact breaker points 🔧 Transmission Standard Type: Constant-mesh, 4-speed gearbox Optional Optional Gearbox: Not typically offered as an option for this period Features Gear Selection: Foot-operated change lever (e.g., right-hand side change for some models) Clutch Type: Multi-plate, wet clutch operated by handlebar lever Fluid Specifications Gearbox Oil: Specific viscosity grade (e.g., 20W/50 or SAE 50) and type recommended; manual will specify exact grade and capacity 📐 Dimensions Exterior Wheelbase: Approx. 55-57 inches (Varies slightly by model and suspension setup) Seat Height: Variable, typically around 30-32 inches depending on suspension sag Weights Dry Weight 350Cc: Approx. 350-380 lbs (159-172 kg) Dry Weight 500Cc: Approx. 380-420 lbs (172-190 kg) Gross Vehicle Weight: Not explicitly rated in modern terms, but weight capacity for rider and luggage 🛡️ Safety Features Ratings Crash Test Ratings: Not applicable to vehicles of this era Active Features Braking System: Drum brakes front and rear (typically 7-inch or 8-inch diameter) Passive Features Lighting System: Headlight, taillight, brake light (if fitted), often AC powered from magneto 💡 Technology Features Infotainment Infotainment System: Not applicable Driver Assistance Driver Assistance Systems: Not applicable Connectivity Connectivity Features: Not applicable Engine Management ECM Present: No, engine management relies on mechanical systems (carburetor, magneto) 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 1000-2000 miles or annually, depending on usage and oil type (manual will specify) Valve Clearance Check: Recommended at regular intervals (e.g., 3000-5000 miles) due to potential for wear Lubrication Points: Detailed schedule for greasing points (e.g., pivot points, wheel bearings, steering head) in manual Fluid Specifications Engine Oil: Viscosity grade and capacity specified in manual, historically SAE 20W/50 or SAE 50 for older engines; mineral oil recommended Brake Fluid: Not applicable for drum brakes of this era (no hydraulic fluid) Known Issues Oil Leaks: Common in older British motorcycles due to seal materials and design;...