🏷️ Basic Information Identification Make: Yamaha Model: YBR125 Model Variant: YBR125ED Codes Engine Code: Likely P531 (common for YBR125 in this era, specific code not provided) Generation Production Years Covered: 2005, 2006, 2007, 2008, 2009, 2010 👋 Introduction Market Position Target Audience: Professional motorcycle technicians, DIY mechanics, and owners seeking in-depth knowledge for maintenance and repair. Value Proposition: Provides factory-level repair and maintenance information, enabling cost savings on labor by empowering owners to perform tasks themselves. Competitive Analysis Manual Authority: Written by manufacturers (Yamaha), offering the most accurate and complete information available. Key Features Accessibility: Instant download provides immediate access without shipping delays or costs. Usability: Designed for ease of use with clear instructions and detailed diagrams. 📋 Manual Details Coverage Areas Vehicle Models Covered: Yamaha YBR125, Yamaha YBR125ED Model Years Covered: 2005-2010 Page Count Estimated Page Count: Hundreds of pages (typical for comprehensive workshop manuals) Manual Type Manual Type: Workshop Service Manual / Repair Manual Language Language: English Format File Format: PDF Download 📖 Manual Coverage Systems Covered Primary Systems: Engine, Fuel System, Ignition System, Lubrication System, Cooling System, Transmission, Clutch, Chassis, Suspension (Front & Rear), Braking System (Front & Rear), Electrical System, Lighting System, Instruments, Frame, Bodywork, Wheels & Tires Procedures Included Maintenance Procedures: Periodic maintenance charts, oil changes, filter replacements, spark plug service, chain adjustment, brake fluid flush, coolant checks, tire pressure checks, lubrication points Repair Procedures: Engine overhaul (cylinder, piston, valve train, crankshaft), transmission repair, clutch replacement, carburetor cleaning/rebuilding, suspension fork overhaul, brake caliper service, electrical component troubleshooting and replacement, body panel repair/replacement Troubleshooting: Step-by-step diagnostic procedures for common and uncommon issues, symptom-based troubleshooting guides Technical Depth Depth Of Coverage: Comprehensive, covering routine maintenance to complete engine and component rebuilds. Suitable for professional technicians and advanced DIY mechanics. Diagnostic Information: Includes detailed diagnostic procedures and troubleshooting flowcharts for electrical and mechanical systems. Wiring Diagrams: Comprehensive electrical wiring diagrams included, aiding in electrical system diagnostics and repairs. 📊 Manual Specifications File Format Printable: Yes, full printable Zoom Functionality: Yes, zoom in/out capability Searchability: Likely searchable text content within the PDF Print Quality Page Quality: High-resolution, allowing for clear viewing of diagrams and text. Binding Type Delivery Method: Instant Download (no physical product) Paper Type Digital Format Advantage: Print only necessary pages, avoiding damage to the original manual in messy workshop environments. ⚙️ Engine Specifications Primary Engine Engine Type: Four-stroke, SOHC, air-cooled Displacement: 124 cc (Cubic Centimeters) Bore X Stroke: 54.0 mm x 54.5 mm (typical for YBR125) Compression Ratio: 9.6:1 (typical for YBR125) Performance Horsepower: Approx. 10-11 PS (Pferdestärke) at around 7,500 RPM (specific to model/market, manual will confirm) Torque: Approx. 9.6-10 Nm at around 6,000 RPM (specific to model/market, manual will confirm) Fuel System Fuel Delivery: Carburetor (specific model such as VM20 or similar, confirmed in manual) Fuel Type: Unleaded gasoline Ignition System Ignition Type: CDI (Capacitor Discharge Ignition) 🔧 Transmission Standard Transmission Type: Constant mesh 5-speed sequential Features Clutch Type: Wet, multiple-disc Final Drive: Chain drive 📐 Dimensions Exterior Overall Length: Approx. 2005 mm (typical for YBR125) Overall Width: Approx. 745 mm (typical for YBR125) Overall Height: Approx. 1045 mm (typical for YBR125) Weights Wet Weight: Approx. 120-126 kg (depending on specific variant and fluids, manual will confirm exact) Fuel Tank Capacity: Approx. 13 liters (manual will confirm exact) 🛡️ Safety Features Ratings Safety Features General: Designed to meet relevant motorcycle safety standards for its era. Manual provides detailed safety precautions for servicing. Active Features Braking System: Front: Disc brake; Rear: Drum brake (specifications for bore, pad material, fluid type detailed in manual) Passive Features Lighting: Headlight, taillight, brake light, turn signals (bulbs types and troubleshooting in manual) 💡 Technology Features Infotainment Instrument Cluster: Analog speedometer, tachometer (on some variants), fuel gauge, odometer, trip meter, indicator lights (manual details function and troubleshooting) Driver Assistance ABS: No Anti-lock Braking System (ABS) typically featured on this model. Connectivity Charging System: 12V electrical system powered by a stator and managed by a rectifier/regulator, supporting lights and ignition. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000-6,000 km or 6-12 months, as specified in the manual. Air Filter Cleaning: Recommended at intervals of 4,000-8,000 km, depending on operating conditions. Spark Plug Replacement: Typically every 10,000-12,000 km, manual will specify type and gap. Fluid Specifications Engine Oil Type: Yamalube 4 (or equivalent API SE, SF, SG, SH, SJ, SL or JASO MA specification) SAE 10W-40 or 20W-40 (manual to confirm exact viscosity and API/JASO rating) Engine Oil Capacity: Approx. 1.0 - 1.2 liters without filter change, 1.2 - 1.4 liters with filter change (manual to confirm exact) Brake Fluid Type: DOT 3 or DOT 4 (manual to confirm specific type) Coolant Type: Ethylene glycol based coolant, pre-mixed 50/50 with deionized water (manual to confirm exact type and ratio) Known Issues Common Wear Items: Clutch plates, brake pads/shoes, chain and...