🏷️ Basic Information Identification Make: Triumph Model: TRW 500 Year Range: 1950-1964 Engine Type: 500cc OHV Parallel-Twin 👋 Introduction Market Position Target Audience: Triumph TRW 500 owners, mechanics, and vintage motorcycle enthusiasts Competitive Analysis Value Proposition: Comprehensive and cost-effective alternative to professional workshop servicing Key Features Comprehensiveness: The most comprehensive service, maintenance, and repair manual available for the Triumph TRW 500 Ease Of Use: Step-by-step instructions and exploded views simplify complex repairs 📋 Manual Details Coverage Areas Page Count: 164 Manual Type: Service and Repair Manual Language: English Format: PDF Download (Self-Extracting) 📖 Manual Coverage Systems Covered Engine: Complete overhaul, troubleshooting, and component replacement Carburetter: Adjustment, cleaning, and rebuild of common carburettor types Gearbox: Disassembly, assembly, and maintenance of the gearbox Front Fork: Telescopic front fork service and repair Wheels: Spoke wheel maintenance, bearing service, and tire replacement Electrical System Bth: BTH magneto and associated ignition components Electrical System Lucas: Lucas dynamo, lighting, and battery charging systems Procedures Included Maintenance: Regular servicing, lubrication, and adjustments Troubleshooting: Diagnostic procedures for common performance issues Repair: Step-by-step repair instructions for all major components Exploded Views: Detailed diagrams illustrating component relationships and assembly Technical Depth Diagnostic Capabilities: Advanced troubleshooting and fault finding for both mechanical and electrical systems Rebuild Instructions: Comprehensive instructions for complete engine and gearbox rebuilds Part Identification: Detailed component identification and assembly order 📊 Manual Specifications File Format File Type: PDF Extraction Method: Self-executing extractor for faster download and extraction Searchability: Bookmarked for quick navigation Printability: Printable PDF ⚙️ Engine Specifications Primary Engine Engine Displacement: 499cc (30.4 cubic inches) Engine Configuration: OHV Parallel-Twin Bore X Stroke: 63mm x 80mm (approx.) Compression Ratio: Typical 6.5:1 or 7.0:1 (depending on variant) Performance Horsepower: Approximately 27-30 bhp at 6,000 rpm (varies by tuning and year) Torque: Not explicitly stated in product info, but substantial for its era. Fuel System Carburetor Type: Typically single Amal (e.g., Monobloc) or similar British carburetors. Fuel Type: Lead-replacement or high-octane gasoline (depending on original specification and modern fuel availability). 🔧 Transmission Standard Gearbox Type: 4-speed constant mesh Optional Clutch Type: Dry, multi-plate Features Shift Mechanism: Positive stop foot change Final Drive: Chain drive 📐 Dimensions Exterior Wheelbase: Approx. 55 inches (1397 mm) Weights Dry Weight: Approx. 360-380 lbs (163-172 kg) 🛡️ Safety Features Ratings Historical Context: Safety standards were significantly different in this era. Modern safety ratings are not applicable. Active Features Brakes: Drum brakes front and rear Passive Features Lighting: Basic headlamp, tail lamp, and brake light (Lucas system coverage) 💡 Technology Features Infotainment Instrumentation: Mechanical speedometer and warning lamps (if fitted) Driver Assistance N/A: Not applicable to this era of motorcycle Connectivity N/A: Not applicable to this era of motorcycle 🔧 Maintenance Service Intervals Oil Change: Recommended every 1,000-1,500 miles (manual will specify exact interval and procedure) Valve Adjustment: Recommended at regular intervals (manual will detail procedure and clearance) Fluid Specifications Engine Oil: Typically SAE 20W-50 or SAE 30 monograde oil (specific recommendation in manual) Gearbox Oil: Motorcycle-specific gearbox oil or suitable EP gear oil (specific recommendation in manual) Known Issues Oil Leaks: Common in vintage British motorcycles due to sealing materials and design. Electrical System: Wear and tear on Lucas dynamo and regulator systems, BTH magneto maintenance. Carburetor Tuning: Requires careful tuning for optimal performance and reliability. 📚 Vehicle History Brand Heritage Manufacturer: Triumph Engineering Co. Ltd., Meriden, Warwickshire, England Model Evolution Trw Origin: The TRW 500 was a civilian version of the military TRW 500cc motorcycle, developed for post-war civilian use. Engine Development: Utilized Triumph's robust and popular OHV parallel-twin engine design. Production Production Period: 1950s through the early 1960s 🏆 Awards & Recognition Recognitions Historical Impact: Triumph motorcycles of this era were renowned for their performance and handling, contributing to the brand's racing heritage.