🏷️ Basic Information Identification Make: AJS Model: Heavyweight 350 Model Variant: 350cc Years Covered: 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966 Codes Product Name: AJS Heavyweight 350 1957-1966 Workshop Service Repair Manual 👋 Introduction Market Position Category: Classic Motorcycle Workshop Manual Target User: Owners and mechanics specializing in vintage AJS motorcycles Competitive Analysis Advantage: Comprehensive coverage for a specific model range, bridging potential information gaps for owners of this era of AJS Key Features Feature 1: Focus on product-specific repair aspects Feature 2: Integration of proprietary component manufacturer instructions Feature 3: Emphasis on owner empowerment for self-maintenance and repair Feature 4: Cost-saving benefits for DIY repairs 📋 Manual Details Coverage Areas Engine: Repair, overhaul, tune-ups, lubrication, exhaust system Transmission: Removal, installation, disassembly, assemblies Fuel System: Repair, adjustments, maintenance Ignition System: Repair, adjustments, maintenance Electrical System: Wiring diagrams, component repair, troubleshooting Bodywork: Repair procedures, panel work, trim Proprietary Components: Instructions from respective component manufacturers integrated Page Count Estimated Pages: Extensive (specific count not provided, but implied comprehensive) Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Internal: Complete engine disassembly and reassembly, piston and cylinder service, crankshaft and bearing inspection, valve train adjustments, timing Fuel Delivery: Carburetor service and tuning, fuel tank and lines inspection and repair Ignition System: Spark plug selection and gap, ignition timing, magneto or coil ignition system servicing Lubrication: Oil pump operation, oil filter replacement, lubrication points and schedules Exhaust: Muffler and pipe inspection, exhaust system sealing and mounting Transmission Gearbox: Gearbox disassembly, clutch inspection and adjustment, gear selection mechanism maintenance Clutch: Clutch plate inspection, adjustment, and replacement Brakes: Drum brake adjustment and shoe replacement, brake linkage lubrication Suspension: Front fork service and oil changes, rear shock absorber inspection and replacement Electrical Charging: Dynamo or alternator service, voltage regulator testing Lighting: Headlight, taillight, and indicator bulb replacement and focusing Controls: Handlebar control cable lubrication and adjustment, throttle and clutch lever servicing Chassis: Frame inspection, mounting bolt torque specifications Procedures Included Routine Maintenance: Oil changes, filter replacements, lubrication points, ignition timing adjustments, carburetor adjustments Troubleshooting: Diagnostic procedures for common running problems, electrical faults, and mechanical issues Engine Overhaul: Detailed steps for complete engine disassembly, component inspection, repair, and reassembly Transmission Repair: Gearbox internal repairs, shift mechanism servicing Component Replacement: Instructions for replacing major components such as pistons, cylinders, valves, clutch plates, brake shoes Adjustments: Valve clearance adjustments, brake linkage adjustments, clutch cable adjustments, ignition timing adjustments Wiring Diagrams: Comprehensive electrical system schematics Technical Depth Depth: Comprehensive, assuming general automotive practices and emphasizing product-specific details Target Audience: Professional technicians and knowledgeable owners Documentation Quality: Reliable information, similar to authorized dealer service departments 📊 Manual Specifications File Format Format: PDF Delivery: Electronic via Email Printable: Yes Print Quality Quality: High-resolution PDF for clear viewing and printing Binding Type Type: Not Applicable (Digital) Paper Type Type: Not Applicable (Digital) ⚙️ Engine Specifications Primary Engine Displacement: 350 cc Engine Type: Single-cylinder (likely OHV or side-valve based on era and model name) Performance Horsepower: Typically in the range of 18-24 HP (specific figures would be in the manual) Torque: Torque specifications would be detailed within the manual for engine assembly and tuning Fuel System Carburetor Type: Likely a single Amal carburetor, specific model and jetting detailed in manual Fuel Type: Historically, leaded gasoline; modern equivalents and octane recommendations would be discussed if available Lubrication System Type: Wet sump or separate oil tank with pump feed (specific type detailed in manual) Ignition System: Magneto ignition or coil and battery system (manual will specify and detail service) 🔧 Transmission Standard Type: Manual transmission (likely 4-speed or 5-speed) Optional Type: Not typically applicable for this era of single-cylinder motorcycles Features Gear Selection: Foot-operated gear change, detailed in manual Clutch: Wet multi-plate clutch, serviced as per manual instructions Fluid Type Specification: Gearbox oil specification and capacity detailed in manual 📐 Dimensions Exterior Wheelbase: Specifications would be detailed in the manual Seat Height: Specifications would be detailed in the manual Weights Dry Weight: Typically around 350-400 lbs for this class of motorcycle (exact figures in manual) 💡 Technology Features Infotainment System: Not Applicable (Basic motorcycle of the era) Driver Assistance Features: Not Applicable Connectivity Features: Not Applicable 🔧 Maintenance Service Intervals Oil Change: Typically every 2,000-3,000 miles or annually (manual will provide precise intervals and procedures) Valve Clearance: Recommended intervals for checking and adjusting valve clearances (detailed in manual) Ignition Timing: Periodic checks and adjustments to maintain optimal performance and starting Fluid Specifications Engine Oil: Specific oil type, viscosity grade (e.g., SAE 20W/50), and capacity for the engine and gearbox (as specified in manual) Fork Oil: Type and quantity of fork oil for front suspension maintenance (specified in manual) Known Issues Common Wear Items: Typical wear items include clutch plates, brake linings, valve guides, and...