The Yamaha SR250G, produced from 1980 to 1983, is a classic motorcycle known for its reliable performance and approachable design. As part of a renowned series, this model offers a straightforward riding experience, making it a popular choice for both new riders and experienced enthusiasts. Its engineering emphasizes durability and ease of maintenance, reflecting a commitment to quality in a diverse range of motorized products. The SR250G embodies a blend of functional simplicity and timeless style, contributing to its enduring appeal in the motorcycle community. This comprehensive Workshop Repair Service Manual provides in-depth guidance for the Yamaha SR250G. It covers a wide array of critical systems, including the fuel system, cooling system, engine top end, clutch, lubrication system, engine removal and installation, crankshaft and transmission, wheels and tires, brakes, suspension, steering, frame, and the electrical system. The manual includes detailed procedures for maintenance, repair, troubleshooting, and disassembly/assembly, supported by hundreds of pages of diagrams and illustrations. This resource is designed to assist owners and independent mechanics in performing professional-level diagnostics and maintenance, ensuring the longevity and optimal performance of the motorcycle. 🏷️ Basic Information Identification Make: Yamaha Model: SR250 Model Variant: SR250G Years Covered: 1980, 1981, 1982, 1983 Codes Engine Code Variant: SR250G 👋 Introduction Market Position Target Audience: Yamaha SR250 owners and independent mechanics Competitive Analysis Alternative Formats: Compares favorably to physical manuals, offering convenience and cost-effectiveness Key Features Completeness: Complete and intact, no missing or corrupt parts/pages Accuracy: Original Yamaha workshop manual, factory-written Usability: Detailed diagrams, illustrations, photos, numbered instructions, troubleshooting guides Benefit: Saves time and money on repairs and maintenance Diagnostic Tools: Provides comprehensive diagnostic information used by professionals 📋 Manual Details Coverage Areas General Information: True Fuel System: True Cooling System: True Engine Top End: True Clutch: True Engine Lubrication System: True Engine Removal Installation: True Crankshaft Transmission: True Wheels Tires: True Final Drive: True Brakes: True Suspension: True Steering: True Frame: True Electrical System: True Appendix: True Page Count Estimated Page Count: Hundreds of pages Manual Type Type: Workshop Repair Service Manual Language Language: English Format File Format: PDF Delivery Method: Instant Download Digital Advantage: Electronic format allows for printing specific sections, protecting the original manual from dirt/oil. 📖 Manual Coverage Systems Covered Engine: Complete overhaul, top end, lubrication, removal/installation, crankshaft, transmission Fuel System: Carburetor operation, adjustment, and overhaul Cooling System: Air cooling system components and maintenance Drivetrain: Clutch, transmission, final drive (chain drive maintenance) Chassis: Wheels, tires, brakes, suspension, steering, frame Electrical: Wiring diagrams, ignition system, lighting, charging system, troubleshooting Procedures Included Maintenance: Routine service, lubrication, adjustments, inspections Repair: Step-by-step repair procedures for all covered systems Troubleshooting: Diagnostic procedures for common problems, electrical troubleshooting Disassembly Assembly: Detailed procedures for component removal and reinstallation Cleaning Reinstalling: Procedures for cleaning and reassembling components Electrical Diagnostics: Detailed diagnosis and repair of electrical system problems Technical Depth Depth: Professional-level diagnostics, repair, and maintenance Data Quality: Original manufacturer data, used by local service/repair shops Diagrams Illustrations: Hundreds of pages of diagrams and detailed information Wiring Diagrams: Comprehensive wiring diagrams included 📊 Manual Specifications File Format File Type: PDF Print Quality Printability: Full Printable Zoom Capability: Zoom IN/OUT enabled Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) Requirements Software Requirements: Adobe PDF Reader, WinZip Compatibility: All Versions of Windows & Mac ⚙️ Engine Specifications Primary Engine Engine Type: 4-stroke, single-cylinder, SOHC, 2-valve Displacement: 249 cc (approximately, specific bore/stroke required from manual) Performance Horsepower: Approx. 18-20 HP (exact figures vary by year and market, refer to manual for specifics) Torque: Refer to manual for specific torque figures Fuel System Carburetor Type: Likely a single Mikuni VM carburetor (specific model number in manual) Fuel Delivery: Carburetor 🔧 Transmission Standard Type: 5-speed constant mesh Optional Optional Transmissions: N/A Features Clutch Type: Wet, multi-plate Final Drive Type: Chain drive 📐 Dimensions Weights Dry Weight: Approx. 135-145 kg (refer to manual for exact specifications) 🛡️ Safety Features Ratings Safety Ratings: N/A (Motorcycle safety ratings are not standardized in the same way as cars; manual covers operational safety) Active Features Braking System: Front disc brake, Rear drum brake (typical configuration) 💡 Technology Features Infotainment Infotainment System: N/A (Classic motorcycle, no electronic infotainment systems) Driver Assistance Driver Assistance Features: N/A (Classic motorcycle, no electronic driver assistance) Connectivity Connectivity Features: N/A (Classic motorcycle) 🔧 Maintenance Service Intervals Oil Change Interval: Refer to manual for specific intervals and oil type (typically 3,000-5,000 km or annually) Spark Plug Replacement: Refer to manual for specific intervals and plug type (e.g., NGK DPR8EA-9) Chain Maintenance: Regular cleaning, lubrication, and adjustment required (refer to manual for specifications) Fluid Specifications Engine Oil Type: API SE, SF or SG, SAE 10W-40 or 20W-40 recommended (verify exact specification in manual) Engine Oil Capacity: Refer to manual for exact capacity (typically around 1.4 - 1.8 liters with filter change) Brake Fluid Type:...