This manual covers the TZ125 and TZ125G1 models produced between 1990 and 2005. The TZ series represents a commitment to performance and racing, building on a rich heritage in motorsports. These motorcycles are designed for competition, emphasizing lightweight construction, potent two-stroke power, and agile handling. The TZ125G1, in particular, served as an entry in the highly competitive 125cc racing class, embodying dedication to engineering excellence and reliability in demanding environments. This comprehensive workshop service repair manual provides essential information for maintaining and repairing your TZ125. It details engine mechanical and electrical systems, fuel and transmission systems, drivetrain, suspension, steering, brakes, and bodywork. You will find step-by-step repair procedures, diagnostic flowcharts, troubleshooting guides, and detailed technical specifications, including torque values and clearances. The manual also includes extensive illustrations, diagrams, and wiring schematics, making it an invaluable resource for both DIY enthusiasts and professional mechanics seeking to keep their TZ125 in optimal condition. 🏷️ Basic Information Identification Make: Yamaha Model: TZ125 Model Code: TZ125G1 Years Covered: 1990-2005 Codes Product Name: Yamaha TZ125 TZ125G1 1990-2005 Workshop Service Repair Manual 👋 Introduction Market Position Purpose: To provide essential repair and service information for Yamaha TZ125G1 owners and technicians. Target Audience: DIY enthusiasts and experienced mechanics working on Yamaha TZ125G1 motorcycles. Competitive Analysis Value Proposition: Inexpensive way to maintain and repair the vehicle, saving on dealership service costs. Key Features Content Focus: Detailed illustrations, diagrams, wiring schematics, specifications, and step-by-step instructions. Accessibility: Printable pages allow for on-site use in the garage or workshop. 📋 Manual Details Coverage Areas Engine: Engine Mechanical System, Engine Electrical System Fuel System: Fuel System Transmission: Clutch System, Manual Transaxle System Drivetrain: Driveshaft and Axle Suspension: Suspension System Steering: Steering System Brakes: Brake System Bodywork: Body Interior and Exterior Electrical: Body Electrical System Safety: Restraint System Emission Control: Emission Control System General Information: General Information, Troubleshooting Page Count Estimated Page Count: Refer to product for exact count, typically comprehensive for a workshop manual Content Depth: Provides comprehensive step-by-step instructions, diagnostic flowcharts, and detailed diagrams. Manual Type Type: Workshop Service Repair Manual / Factory Service Manual Language Language: English Format File Format: PDF Delivery: Instant Download Compatibility: Windows & Mac 📖 Manual Coverage Systems Covered All Systems: Comprehensive coverage of all mechanical, electrical, and body systems. Engine Mechanical: Piston, cylinder, crankshaft, connecting rod, lubrication system, cooling system, starting system. Engine Electrical: Ignition system, charging system (if applicable), lighting system, sensors. Emission Control: Details on any emission reduction systems or requirements for specific markets. Procedures Included Maintenance: Routine maintenance, inspections, lubrication, adjustments. Repair: Step-by-step repair procedures for all major components and systems. Troubleshooting: Diagnostic procedures, common problems, and solutions. Diagnostics: Electrical system diagnostics with detailed wiring diagrams. Disassembly Assembly: Complete instructions for disassembling and reassembling all vehicle components. Troubleshooting Electrical: Combined troubleshooting and electrical service procedures with detailed wiring diagrams. Technical Depth Depth: Detailed for both DIY enthusiasts and experienced mechanics, covering from basic to advanced repairs. Illustrations: Detailed illustrations, diagrams, and photos for all procedures. Wiring Diagrams: Comprehensive wiring schematics for electrical system troubleshooting. Specifications: Essential technical specifications, torque values, clearances, and tolerances. 📊 Manual Specifications File Format Format: PDF Searchability: PDF format generally allows for text searching of keywords and procedures. Print Quality Printability: All pages are printable Zoom Capability: YES Illustration Clarity: Illustrations are described as detailed, guiding users through procedures. Binding Type Binding: Digital (printable) Paper Type Paper Type: N/A (digital format) Requirements Software Requirements: Adobe PDF Reader, WinZip ⚙️ Engine Specifications Primary Engine Engine Type: Two-stroke, single-cylinder, liquid-cooled (typical for TZ125) Displacement: 125cc (specific bore/stroke detailed in manual) Carburetion: Details on carburetor type, jetting, and adjustment will be present. Performance Horsepower: Specific HP figures for different model years will be covered. Torque: Specific torque figures for different model years will be covered. Fuel System Fuel Delivery: Information on fuel tank, fuel lines, and pump/gravity feed (as applicable). Fuel Type: Recommended fuel octane rating and oil/fuel mixture (if applicable). 🔧 Transmission Standard Type: Likely a close-ratio, 6-speed constant mesh gearbox (typical for racing motorcycles). Features Clutch Type: Wet, multi-plate clutch details. Gear Ratios: Detailed gear ratios for all speeds will be provided. 📐 Dimensions Exterior Overall Length: Specifications available in the manual. Overall Width: Specifications available in the manual. Wheelbase: Specifications available in the manual. Weights Dry Weight: Specifications available in the manual. Curb Weight: Specifications available in the manual. 🛡️ Safety Features Ratings Safety Features: Focus on mechanical safety aspects, brake system, and chassis integrity. 💡 Technology Features Infotainment Features: As a racing motorcycle, advanced infotainment is not applicable. Focus is on performance-oriented technology. Driver Assistance Features: No electronic driver assistance features typical of modern road motorcycles. Connectivity Features: No connectivity features. 🔧 Maintenance Service Intervals Routine Maintenance: The manual will detail recommended intervals for chain lubrication, air filter cleaning/replacement, spark plug checks, etc. Fluid Specifications Engine Oil:...