🏷️ Basic Information Identification Make: Yamaha Model: DT125 Model Variant: DT125R Product Name: Yamaha DT125 DT125R 1988-2002 Workshop Service Repair Manual PDF Download 👋 Introduction Market Position Target Audience: DIY enthusiasts and professional mechanics working on Yamaha DT125R models. Key Features Detail Level: Hundreds of pages with detailed substeps, notes, cautions, warnings, numbered instructions, and bold figure numbers. Visuals: Includes hundreds of photos, illustrations, drawings, and enlarged insets for clarity. Searchability: Numbered table of contents for quick information retrieval. Value Proposition Cost Effectiveness: Inexpensive way to keep the vehicle working properly, saving on professional labor costs. 📋 Manual Details Coverage Areas Covered Years: 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002 Page Count Estimated Pages: Hundreds (exact number not specified, but implied to be substantial) Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Complete engine disassembly, assembly, tuning, diagnostics, and repair. Transmission: Gearbox removal, inspection, repair, and adjustment procedures. Electrical System: Detailed wiring diagrams, troubleshooting, component testing, and repair of electrical circuits. Fuel System: Carburetor disassembly, cleaning, adjustment, and fuel system maintenance. Cooling System: Liquid-cooled system maintenance and repair procedures. Suspension: Front fork and rear shock absorber maintenance, rebuild, and adjustment. Brakes: Hydraulic disc brake system servicing, including caliper, master cylinder, and fluid replacement. Chassis And Frame: Frame inspection, component mounting, and general chassis maintenance. Bodywork: Fairings, plastics, seat, and other body component removal, installation, and repair. Procedures Included Maintenance: Routine maintenance tasks, lubrication, fluid changes, filter replacements, and adjustments. Troubleshooting: Step-by-step diagnostic procedures for identifying and resolving common and uncommon problems. Repair: Detailed instructions for component repair, replacement, and reassembly. Overhaul: Complete engine and gearbox overhaul procedures. Reassembly: Comprehensive guidance on correct reassembly of all vehicle components. Technical Depth Depth: Complete factory service manual covering all aspects of repair and maintenance for experienced mechanics and DIY enthusiasts. 📊 Manual Specifications File Format Format: PDF Compatibility: All PC-based Windows operating systems and Mac OS. Print Quality Printability: Printable without any restriction; entire manual or specific pages can be printed. Delivery Method: Instant download link provided on the checkout page after payment. Requirements Software Needed: Adobe PDF Reader Binding Type Type: Digital Download (PDF) Paper Type Type: N/A (Digital) ⚙️ Engine Specifications Primary Engine Type: Liquid-cooled, 2-stroke, reed valve Displacement: 124cc (Specific displacement might vary slightly by sub-model, but 125cc is the defining characteristic) Bore X Stroke: Information available in manual (typical for 125cc 2-strokes of this era, e.g., 56.5 x 49.8 mm) Carburetion: Single carburetor (e.g., Mikuni VM26SS, but specific model details will be in the manual) Performance Horsepower: Approximately 15-20 HP (varies by year and specific market tuning, detailed specs in manual) Torque: Information available in manual Fuel System Fuel Type: Unleaded gasoline mixed with 2-stroke oil (pre-mix or Autolube system, detailed in manual) Oil Delivery: Autolube system with separate oil reservoir (standard on DT125R models) 🔧 Transmission Standard Type: Constant mesh, 6-speed sequential return Gear Ratios: Detailed ratios available in manual Features Clutch: Wet, multiple disc 📐 Dimensions Exterior Length: Information available in manual (typical for this class of enduro bike) Width: Information available in manual Height: Information available in manual Weights Dry Weight: Approximately 115-120 kg (varies by year and specific features, manual will confirm) Wet Weight: Information available in manual 🛡️ Safety Features Active Features Brakes: Front: Hydraulic disc brake; Rear: Drum brake (some later models may have rear disc, manual will specify) Passive Features Lighting: Headlight, taillight, brake light, turn signals (as per road legality requirements for R models) 💡 Technology Features Infotainment Features: Basic instrumentation: speedometer, odometer, tachometer, engine temperature warning light. Driver Assistance Features: N/A for this model; focused on mechanical operation and rider control. 🔧 Maintenance Service Intervals Oil Change: Detailed schedule available in manual (typically every few thousand kilometers or as per usage) Spark Plug: Recommended replacement intervals in manual Air Filter: Cleaning and replacement intervals specified in manual Brake Fluid: Recommended replacement schedule and procedures in manual Fluid Specifications Engine Oil: Specific 2-stroke oil recommendations and mixing ratios (or Autolube oil spec) will be detailed in the manual. Transmission Oil: Yamalube or equivalent SAE 10W-30 API SE classification (verify in manual for exact spec) Coolant: Permanent type antifreeze coolant (e.g., 50% ethylene glycol and 50% deionized water) - specifications in manual. Known Issues Common Wear Items: Piston rings, clutch plates, exhaust valves (on models with YPVS), and fork seals are common wear items detailed for inspection and replacement in the manual. Carburetor Tuning: Carburetor tuning can be sensitive to altitude and modifications; the manual provides baseline settings and tuning guides. Ypvs System: Yamaha Power Valve System (YPVS) requires proper cleaning and adjustment for optimal performance; the manual covers its maintenance in detail. 📚 Vehicle History Brand Heritage Yamaha Motorcycles: Yamaha has...