🏷️ Basic Information Identification Make: Yamaha Model: TZ125 Year: 1995 Generation Generation: G1 Codes Model Code: TZ125G1 👋 Introduction Market Position Market Position: The Yamaha TZ125 G1 was a highly competitive 125cc two-stroke racing motorcycle, a staple in track racing series and a platform for aspiring professional racers. This manual targets owners and mechanics involved in maintaining and preparing these specialized machines for competition or performance riding. Competitive Analysis Competitive Analysis: In its era, the TZ125 competed against other premier 125cc racing machines from manufacturers like Aprilia, Honda, and Cagiva. Yamaha's TZ series was renowned for its potent engines and excellent chassis dynamics, making a comprehensive service manual essential for maximizing performance. Key Features Key Features: Comprehensive 'nut and bolt' coverage, hundreds of pages, detailed illustrations, search functionality, step-by-step repair guidance, factory-trained technician knowledge transfer. 📋 Manual Details Coverage Areas Coverage Scope: Comprehensive service and repair for the Yamaha TZ125 G1 (1995 model year). Page Count Page Count: Hundreds of pages (exact count not specified but indicated as extensive). Manual Type Manual Type: Factory Service Repair Manual Language Language: English (implied by product description phrasing). Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine System: Detailed diagnosis, disassembly, inspection, repair, and reassembly of the 125cc two-stroke engine, including carburetor, ignition, cooling (if applicable), and exhaust systems. Transmission Clutch System: Complete guide to transmission operation, maintenance, clutch service, gear inspection, and lubrication. Chassis Frame Suspension: Includes fork service, shock absorber adjustment and overhaul, swingarm maintenance, and frame integrity checks. Braking System: Disc brake system maintenance, caliper overhaul, fluid replacement, and pad inspection. Electrical System: Wiring diagrams, component testing, lighting, ignition system troubleshooting, and battery service. Fuel System: Carburetor tuning, jetting, cleaning, fuel line inspection, and fuel tank maintenance. Cooling System: Details on any liquid cooling systems, including radiator, hoses, and coolant specifications. Exhaust System: Exhaust pipe and silencer maintenance, checking for leaks, and performance tuning considerations. Wheel Tire System: Wheel bearing service, tire pressure recommendations, and wheel installation. Bodywork Fairings: Removal and installation of fairings, seat, and other body panels. Procedures Included Routine Maintenance: Oil changes (if applicable to gearbox/clutch), chain adjustment, air filter cleaning/replacement, spark plug replacement, brake fluid flush, coolant checks. Troubleshooting: Step-by-step diagnostic procedures for common and uncommon issues, including starting problems, performance issues, and electrical faults. Engine Rebuilds: Complete engine disassembly, piston, cylinder, crankshaft, and bearing inspection and replacement procedures. Transmission Overhaul: Detailed steps for transmission disassembly, gear inspection, shaft replacement, and reassembly. Suspension Servicing: Fork oil replacement, seal replacement, and rear shock absorber maintenance. Brake System Repair: Calibrating brakes, replacing brake pads and discs, bleeding the brake system. Carburetor Adjustment Rebuild: Jetting information, float bowl adjustment, idle speed settings, and full carburetor rebuild instructions. Electrical Diagnostics: Using multimeters to test components, diagnosing ignition system faults, and tracing wiring issues. Wiring Diagrams: Clear and detailed wiring schematics for all electrical systems. Technical Depth Depth: Factory-level repair and diagnostic information suitable for experienced mechanics and dedicated enthusiasts aiming for complete restoration and maintenance. 📊 Manual Specifications File Format File Format: PDF Print Quality Print Quality: High-quality scans with clear illustrations and legible text, suitable for printing specific pages. Binding Type Binding Type: N/A (Digital download, no physical binding). Paper Type Paper Type: N/A (Digital download, no physical paper). ⚙️ Engine Specifications Primary Engine Engine Type: 125cc, Liquid-Cooled, Two-Stroke, Single-Cylinder Bore X Stroke: Specifications typically found in manual, e.g., 56.0 x 50.7 mm (typical for TZ125). Compression Ratio: Specifications typically found in manual, e.g., 8.0:1 to 10.0:1 (varies with tuning). Ignition System: CDI (Capacitor Discharge Ignition) Carburetion: Single Carburetor, typically Mikuni VM series (e.g., VM28). Performance Horsepower Output: Approx. 35-40 HP (stock, varies with tuning and class regulations). Torque Output: Specifications typically found in manual. Fuel System Fuel Type: Unleaded gasoline with 2-stroke oil premix (typically 32:1 or 40:1 ratio). Fuel Tank Capacity: Specifications typically found in manual, e.g., 8-10 liters. 🔧 Transmission Standard Transmission Type: 6-Speed Constant Mesh Clutch Type: Wet Multi-Plate Clutch Features Gear Ratios: Specific gear ratios are detailed within the manual for precise performance tuning. 📐 Dimensions Exterior Overall Length: Specifications typically found in manual. Overall Width: Specifications typically found in manual. Overall Height: Specifications typically found in manual. Weights Dry Weight: Approximately 85-95 kg (unconfirmed, but typical for this class). Wet Weight: Specifications typically found in manual. 🛡️ Safety Features Ratings Safety Ratings: As a dedicated racing motorcycle, it does not undergo standard road safety certifications or crash testing. Active Features Braking System: Hydraulic Disc Brakes (Front & Rear) for effective stopping power. 💡 Technology Features Infotainment Infotainment Systems: Not applicable. This is a purebred racing motorcycle focused on performance, not comfort or entertainment features. Driver Assistance Driver Assistance Features: Not applicable. No electronic rider aids like ABS or traction control. Connectivity Connectivity Options: Not applicable. 🔧 Maintenance Service Intervals Engine Top End...