🏷️ Basic Information Identification Make: Yamaha Model: TZ 125 Year: 1995 Model Code: G1 👋 Introduction Market Position Vehicle Segment: Single-cylinder, 125cc two-stroke racing motorcycle, primarily for track use and competition Competitive Analysis Competitors Circa 1995: Honda RS125R, Aprilia RS 125 GP, Cagiva Mito 125 Key Features Engine Type: High-performance 125cc liquid-cooled, reed-valve inducted two-stroke single Chassis Design: Lightweight aluminum or steel frame, advanced suspension components for racing Performance Focus: Designed for agility, rapid acceleration, and high-revving power delivery typical of 125cc Grand Prix racing machines 📋 Manual Details Coverage Areas Primary Focus: Service and Repair Diagnostic Coverage: Comprehensive diagnostic procedures Maintenance Coverage: All scheduled maintenance and routine checks Rebuild Coverage: Complete engine, transmission, and chassis rebuilds Restoration Coverage: Procedures applicable to refurbishing and restoring the vehicle Page Count Estimated Pages: Varies based on specific model year/variant detail, but described as comprehensive A-Z Manual Type Type: Digital Workshop Repair Manual Content Source: Professional Technicians and Mechanics Language Language: English (assumed based on product description) Format File Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Full engine disassembly, assembly, tuning, and troubleshooting Fuel System: Carburetor tuning, fuel pump, fuel lines, and tank maintenance Ignition System: CDI unit, spark plugs, wiring, and timing Cooling System: Radiator, water pump, hoses, and coolant specifications Transmission Clutch: Clutch operation, adjustment, and component replacement; gearbox disassembly and reassembly Suspension: Front forks (damping, seals, oil), rear shock absorber, linkage maintenance Brakes: Front and rear brake systems, caliper service, master cylinder overhaul, fluid replacement Electrical System: Wiring diagrams, lighting, battery, starter, charging system Frame Chassis: Frame integrity checks, steering head bearings, swingarm maintenance Bodywork: Fairing removal, installation, and repair Wheels Tires: Wheel bearing service, tire replacement, rim specifications Procedures Included General Maintenance: Oil changes, filter replacements, chain lubrication and adjustment Troubleshooting: Detailed fault finding guides for various systems Component Replacement: Step-by-step instructions for replacing all major components Recalibration: Carburetor synchronization and jetting adjustments Performance Tuning: Information potentially related to optimizing engine performance within stock parameters Technical Depth Depth: Expert-level, covering complete disassembly and reassembly of all major mechanical and electrical components Diagnostic Tools: Procedures align with those requiring standard motorcycle workshop tools and diagnostic techniques 📊 Manual Specifications File Format Compatibility: Microsoft Windows (95 through 7) and all Mac computers Print Quality Visuals: High quality photos, illustrations, and diagrams Text Searchability: Likely searchable text within the PDF for easy information retrieval Binding Type Format Type: Digital (Downloadable PDF) Paper Type Physical Equivalent: N/A (Digital format implies no physical paper) ⚙️ Engine Specifications Primary Engine Engine Type: 2-stroke, single-cylinder, liquid-cooled, reed-valve inducted Displacement: 124.8 cc Bore X Stroke: 56.0 mm x 50.7 mm (typical for this era TZ125) Performance Horsepower: ~35-40 HP @ ~12,000 RPM (estimated, actual varies with tuning and class rules) Torque: ~2.5-2.8 kgf-m @ ~11,000 RPM (estimated) Fuel System Carburetor: Mikuni TMX Series (e.g., 34mm or 36mm, specific model number would be in manual) Fuel Type: Premium Unleaded gasoline with 2-stroke oil pre-mix (or oil injection system, manual will specify) Ignition System Type: Digital CDI (Capacitor Discharge Ignition) Cooling System Type: Liquid Cooling 🔧 Transmission Standard Type: 6-speed constant mesh, sequential Optional Gear Ratios: Specific gear ratios detailed in the manual for each gear. Features Clutch Type: Wet, multi-plate (likely cable-actuated) 📐 Dimensions Exterior Wheelbase: Approx. 1370 mm (typical for the model) Overall Length: Approx. 1965 mm (typical) Weights Dry Weight: Approx. 95-100 kg (typical) 🛡️ Safety Features Ratings Classification: Competition/Racing Motorcycle - not typically rated by standard automotive safety organizations like NHTSA or Euro NCAP. Active Features Braking System: Hydraulic disc brakes front and rear (e.g., twin-piston caliper front, single-piston rear) Passive Features Frame Construction: Rigid frame designed for track stability and rider feedback 💡 Technology Features Infotainment System: N/A - Pure racing motorcycle with minimal rider comfort features; focus is on performance. Driver Assistance Features: N/A - No electronic rider aids; relies entirely on rider skill. Connectivity System: N/A 🔧 Maintenance Service Intervals Oil Change: Recommended every 1,000-1,500 km or as per manual; critical for 2-stroke engines. Specific interval would be in the manual. Spark Plug Replacement: Recommended based on usage; frequent replacement for high-performance use. Manual will specify type and interval. Fork Oil Change: Recommended every 6,000-10,000 km for optimal suspension performance. Manual will specify oil type and viscosity. Fluid Specifications Coolant: Ethylene glycol-based coolant with a 50/50 mix of distilled water (specific Yamaha coolant or equivalent). Brake Fluid: DOT 4 recommended for hydraulic brake systems. 2-Stroke Oil: High-quality synthetic 2-stroke racing oil meeting JASO FD or similar performance standards. Known Issues Wear And Tear: Typical for high-revving two-strokes: piston ring wear, cylinder scoring, carbon buildup in exhaust and ports, clutch wear. Carburetor Issues: Can be sensitive to altitude, temperature, and jetting; requires regular cleaning and tuning. Suspension Seals: Fork seal leaks are common with age and hard use. 📚 Vehicle History...