🏷️ Basic Information Identification Make: Yamaha Model: AEROX 100 Model Designation: YQ100 Production Years Covered: 2000-2004 Codes Chassis Code: AEROX 100 YQ100 👋 Introduction Market Position Segment: Performance-oriented 100cc scooter. Target Audience: Enthusiasts and owners seeking detailed maintenance and repair guidance for their Yamaha Aerox 100. Competitive Analysis Competitors: Competed with other 100cc performance scooters of its era, offering a sporty chassis and engine configuration. Key Features Vehicle Sporty Design: Aggressive styling, inspired by larger sportbikes. Engine Type: 2-stroke, single-cylinder, liquid-cooled (some versions). Handling: Renowned for its agile and sporty handling characteristics, often featuring robust suspension components. Key Features Manual Completeness: Comprehensive, covering all aspects of repair, maintenance, and troubleshooting. Usability: Structured with a clear table of contents for easy navigation. 📋 Manual Details Coverage Areas Engine: Full Engine Overhaul, Performance Tuning, Fuel System, Ignition System, Cooling System, Lubrication System Transmission: Automatic CVT (Continuously Variable Transmission) Maintenance and Repair, Clutch System, Drive Belt, Torque Converter Chassis And Frame: Frame Inspection and Repair, Front Fork Suspension, Rear Shock Absorber, Steering System, Wheel Bearings Brakes: Front and Rear Brake System Service (Disc/Drum), Brake Fluid Replacement, Hydraulic System Troubleshooting Electrical System: Battery, Starting System, Charging System (Stator, Regulator/Rectifier), Lighting System, Wiring Diagrams, Ignition Switch, CDI Unit Bodywork: Fairing Removal and Installation, Seat, Storage Compartment, Body Panel Fasteners Wheels And Tires: Tire Maintenance, Wheel Balance, Tire Pressure Specifications Troubleshooting: Common Problems, Diagnostic Procedures, Fault Code Interpretation (where applicable) Specifications: All Technical Specifications, Torque Values, Clearances, Fluid Capacities Page Count Pages: Hundreds of Pages (Specific count not provided in product info, but implied as extensive) Manual Type Type: Service Repair Manual Language Language: English (Implied for standard service manuals) Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Complete engine rebuild procedures, piston, cylinder, crankshaft, camshaft (if applicable for 2-stroke), valve timing (if applicable), compression testing. Fuel And Emission: Carburetor specifications, adjustment, cleaning, fuel line routing, fuel filter replacement, emission control system components. Ignition And Electrical: Spark plug specifications, ignition timing, CDI unit testing, stator winding resistance, regulator/rectifier function, battery testing and charging, lighting system diagnostics, starter motor checks. Transmission And Drivetrain: CVT belt inspection and replacement, variator assembly maintenance, clutch shoe replacement, torque converter function, final drive lubrication. Suspension And Steering: Front fork oil level and replacement, seal inspection, rear shock absorber function, steering bearing adjustment and lubrication. Braking System: Brake pad/shoe replacement, brake disc/drum inspection, hydraulic fluid flush and bleed, master cylinder and caliper/wheel cylinder service. Cooling System: Coolant specifications, radiator inspection, hose replacement, thermostat function (if applicable for liquid-cooled models - AEROX 100 is typically air-cooled). Body And Fairings: Detailed instructions for removing and refitting all body panels, seat, and storage components. Procedures Included Routine Maintenance: Oil changes, spark plug replacement, air filter cleaning/replacement, CVT belt inspection, brake system checks, tire pressure adjustments. Component Overhaul: Complete engine teardown, rebuild, and reassembly. Transmission component servicing. Diagnostic Procedures: Step-by-step guides for identifying and resolving common mechanical and electrical issues. Calibration And Adjustment: Carburetor idle speed and mixture adjustments, brake lever free play adjustment, steering head bearing adjustment. Lubrication And Fluid Service: Engine oil type and capacity, transmission oil (if applicable), gear oil specifications, brake fluid specifications, grease points. Wiring Diagrams: Comprehensive electrical system wiring schematics for troubleshooting. Technical Depth Depth: Comprehensive: Covers everything from basic maintenance to complete engine and component rebuilds, including detailed diagnostic procedures and specifications. 📊 Manual Specifications File Format Format: PDF Searchability: Typically searchable text within PDFs, allowing for quick information retrieval via keywords. Print Quality Quality: High resolution, suitable for printing individual pages or the entire manual. Binding Type Type: N/A (Digital PDF format) Paper Type Type: N/A (Digital PDF format) ⚙️ Engine Specifications Primary Engine Engine Type: 2-stroke, single-cylinder Displacement: 99.9 cc Cooling System: Liquid-cooled (Note: some earlier or regional variants might be air-cooled, but the YQ100 is predominantly liquid-cooled) Bore X Stroke: 52.0 mm x 45.6 mm (Typical for YQ100) Compression Ratio: 7.2:1 (Typical for YQ100) Power Output: Approx. 8.0 - 9.0 HP at around 7000-7500 RPM (Specific figures vary by region and tuning) Torque: Approx. 8.0 - 9.0 Nm at around 6500-7000 RPM (Specific figures vary) Fuel System Fuel Delivery: Carburetor (Mikuni VM20-340 or similar) Fuel Type: Unleaded Gasoline, Minimum 90 Octane Oil Mixing: Premix (Oil injection system) Ignition System Ignition Type: CDI (Capacitor Discharge Ignition) Spark Plug Type: NGK CR7E or equivalent 🔧 Transmission Standard Type: Automatic V-belt Transmission (CVT) Drive System: Belt Drive Features Clutch: Centrifugal Automatic Clutch Gear Reduction: Primary: V-belt drive; Secondary: Spur gears 📐 Dimensions Exterior Length: Approx. 1855 mm Width: Approx. 725 mm Height: Approx. 1145 mm Wheelbase: Approx. 1300 mm Weights Dry Weight: Approx. 94 kg Wet Weight: Approx. 99 kg (with fluids) Capacities Fuel Tank Capacity: Approx. 7.0 Liters Engine Oil Capacity: Approx. 0.8 Liters (for 2-stroke oil reservoir) Transmission Oil Capacity: Approx. 0.1 Liters (Gear...