🏷️ Basic Information Identification Make: Yamaha Model: DT125RE, DT125X Year: 2005 Vehicle Type: Dual-Sport Motorcycle Generation Model Generation: Refined models within the DT125 lineage 👋 Introduction Market Position Target Audience: Owners of Yamaha DT125RE and DT125X models from 2005 seeking to perform maintenance, diagnostics, and repairs. Key Features Content Highlights: Comprehensive, step-by-step instructions, detailed illustrations, diagrams, specifications, troubleshooting guides, and 'secret techniques' used by top mechanics. Value Proposition Benefits For Owner: Empowers owners to make informed maintenance decisions, communicate effectively with mechanics, and potentially reduce repair costs. 📋 Manual Details Coverage Areas Covered Models: Yamaha DT125, DT125RE, DT125X (all styles for 2005) Page Count Estimated Page Count: Hundreds of pages (specific number not provided, but described as comprehensive) Manual Type Manual Type: Factory Service Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Detailed coverage of engine systems including top end, lubrication, and internal components. Fuel System: Comprehensive details on the fuel delivery system, including carburetor settings and components. Cooling System: Information pertaining to the engine's cooling mechanisms. Clutch: In-depth coverage of clutch operation, maintenance, and repair procedures. Transmission: Detailed information on the gearbox, including removal, installation, and internal workings. Wheels Tires: Specifications and procedures related to wheels, tires, and their mounting. Final Drive: Coverage of the final drive mechanism, likely a chain drive system for this model. Brakes: Detailed information on both front and rear braking systems, including hydraulic components and disc/drum specifics. Suspension: Coverage of front forks and rear shock absorber systems, including adjustments and servicing. Steering: Procedures for steering system maintenance, including handlebar and fork adjustments. Frame: Information related to the motorcycle's chassis and frame components. Electrical System: Comprehensive coverage of the electrical system, including wiring diagrams, lighting, ignition, and battery. Troubleshooting: Advanced troubleshooting guide for diagnosing and correcting common and complex issues. Procedures Included Maintenance: Routine maintenance tasks, fluid changes, lubrication, and component checks. Repair: Step-by-step repair procedures for all major vehicle systems. Diagnostics: Detailed guidance on diagnosing engine fault symptoms and component issues. Rebuild: Procedures for complete engine or component rebuilds, as performed by factory technicians. Electrical Diagnosis: Specific procedures for tracing and verifying wiring diagrams and diagnosing electrical faults. Technical Depth Depth Of Information: Factory-level detail, suitable for professional technicians and advanced DIY enthusiasts. Covers fundamentals to intricate repairs. 📊 Manual Specifications File Format File Format: PDF Print Quality Printability: Printable without restriction, allowing for full or partial printing of pages. Binding Type Binding Type: Digital Download (Printable) Paper Type Paper Type: Not Applicable (Digital) Software Requirements Reader Requirement: Adobe PDF Reader ⚙️ Engine Specifications Primary Engine Engine Type: Likely a 124cc liquid-cooled, 2-stroke, single-cylinder engine (typical for DT125 models of this era). Performance Horsepower: Specific figures not provided, but typically in the 15-20 HP range for this class. Torque: Specific figures not provided, but generally adequate for its dual-sport purpose. Fuel System Carburetion: Likely equipped with a Mikuni carburetor (e.g., VM26 or similar). Fuel Type: Unleaded gasoline (with appropriate 2-stroke oil pre-mix or injection system, depending on specific variant). Lubrication Oil System: Likely an oil injection system or requires manual oil mixing with fuel for lubrication. 🔧 Transmission Standard Transmission Type: Likely a 6-speed constant mesh manual transmission. Features Clutch Operation: Wet, multiple-disc clutch, operated by cable. 📐 Dimensions Exterior Wheelbase: Specific figures not provided, but typical for dual-sport bikes in this displacement class. Weights Dry Weight: Specific figures not provided, but expected to be in the ~110-120 kg range. 🛡️ Safety Features Active Features Braking System: Disc brakes front and rear (common for RE and X variants, though some earlier DT125s had drum brakes). Passive Features Lighting: Standard motorcycle lighting system including headlamp, taillight, and turn signals. 💡 Technology Features Infotainment Instrumentation: Analog speedometer, tachometer, and essential indicator lights. Driver Assistance ABS: Anti-lock Braking System (ABS) was not a common feature on motorcycles of this type and era. 🔧 Maintenance Service Intervals Oil Change: Specific intervals detailed in the manual, typically every few thousand kilometers or annually, depending on usage. Spark Plug Replacement: Intervals will be specified in the manual for optimal performance. Fluid Specifications Engine Oil: 2-stroke engine oil, specific grade and type will be detailed (e.g., API TC rated). Coolant: If liquid-cooled, specific coolant type and mixture ratio will be provided. Brake Fluid: DOT 3 or DOT 4 brake fluid, as per Yamaha specifications. Known Issues Common Wear Items: Clutch plates, piston rings, and fork seals are common wear items on 2-stroke motorcycles of this age and type. Carburetor Cleaning: Regular cleaning and adjustment of the carburetor may be necessary to maintain optimal running conditions. 📚 Vehicle History Brand Heritage Yamaha Legacy: Yamaha has a long-standing reputation for producing reliable and capable dual-sport motorcycles, with the DT series being iconic. Model Evolution Dt125 Lineage: The DT125 has evolved significantly over the decades, with the...