🏷️ Basic Information Identification Make: Aprilia Model: RS125 Model Variant: RS 125 Product Type: Service Repair Workshop Manual Codes Model Years Covered: 1992-2005 👋 Introduction Market Position Target Audience: Aprilia RS125 owners, independent motorcycle mechanics, and DIY enthusiasts seeking to maintain and repair their bikes. Vehicle Segment: Lightweight sportbike, performance-oriented 125cc two-stroke motorcycle. Competitive Analysis Key Competitors Era: Yamaha YZF-R125 (later models), Honda CBR125R (later models), Cagiva Mito 125, Suzuki RG125 Gamma. Key Features Vehicle Appeal: Agile handling, strong performance for its class, distinctive styling, popular in track days and road riding. Manual Value Proposition: Provides essential knowledge for cost-effective maintenance, troubleshooting, and repairs, crucial for keeping this performance-oriented machine in optimal condition. 📋 Manual Details Coverage Areas Primary Coverage: Aprilia RS125 (1992-2005) Secondary Coverage Examples: Aprilia RS125 (2006), Aprilia Tuono (various years, e.g., 1999-2005, implied by link) Page Count Estimated Page Count: Extensive (typical for comprehensive service manuals, likely 300+ pages) Manual Type Manual Type: Service Repair Workshop Manual Language Language: English (presumed, standard for international markets) Format Format: Digital (likely PDF, common for online sales) 📖 Manual Coverage Systems Covered Engine And Powertrain: Engine overhaul, carburetor tuning, lubrication system, cooling system, exhaust system, engine management (ignition, CDI), fuel delivery (Dell'Orto carburetor specifics). Chassis And Suspension: Frame inspection and repair, front fork (Marzocchi/GDR), rear shock absorber (Monoshock), swingarm, steering system, wheel bearings, rear suspension linkage. Brakes: Front and rear brake caliper service, master cylinder overhaul, brake line replacement, brake fluid bleeding procedures, disc inspection and replacement. Electrical System: Wiring diagrams, lighting system, battery maintenance, charging system (stator, regulator/rectifier), starter motor, ignition system troubleshooting, fuse box. Bodywork And Trim: Fairing removal and installation, seat, fuel tank, fenders, plastics, decal application. Procedures Included Routine Maintenance: Oil changes, spark plug replacement, air filter cleaning/replacement, chain lubrication and adjustment, brake pad inspection. Diagnostic Procedures: Troubleshooting common starting issues, performance problems, electrical faults, cooling system leaks. Repair And Rebuild: Engine top-end rebuild (piston, rings, cylinder), gearbox inspection, carburetor rebuilding, suspension fork servicing, brake system overhauls. Special Tool Requirements: Identification of specific tools required for certain procedures (e.g., torque wrenches, piston ring compressors, carburetor synchronizers). Technical Depth Depth Of Coverage: Comprehensive, covering routine maintenance, troubleshooting, diagnostics, and detailed repair/rebuild procedures for all major vehicle systems. 📊 Manual Specifications File Format File Format: PDF Searchability: Searchable text for easy information retrieval. Print Quality: High-resolution images and diagrams suitable for printing. Binding Type Binding Type: N/A (Digital format) Paper Type Paper Type: N/A (Digital format) ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, 2-stroke, single-cylinder Displacement: 124.8 cc Bore X Stroke: 54 mm x 54.5 mm Compression Ratio: Approx. 7.8:1 to 8.1:1 (depending on specific version/market) Intake System: Reed valve induction with Rotary Disc Valve (Rotary Valve Induction) Performance Horsepower Peak: Typically around 30-34 HP (15 kW restricted for A1 license holders, up to ~34 HP for unrestricted versions) Torque Peak: Approx. 20-23 Nm (15-17 lb-ft) Fuel System Carburetor Model: Dell'Orto PHBH 28 (common for many versions) Fuel Type: Unleaded gasoline (RON 95 recommended) Oil Mixing: Automatic oil injection system (separate oil reservoir) Cooling System Cooling Method: Liquid-cooled Coolant Type: Ethylene glycol-based coolant (50/50 mix with distilled water recommended) 🔧 Transmission Standard Transmission Type: 6-speed constant mesh gearbox Clutch Type: Wet, multi-plate clutch Features Final Drive: Chain drive Gear Ratios: Specific ratios detailed in the manual, vital for performance tuning. Transmission Oil: Specific gear oil type and viscosity (e.g., SAE 75W/90 or similar) will be specified. 📐 Dimensions Exterior Length: Approx. 1950 mm (varies slightly by year) Width: Approx. 720 mm (at handlebars) Height: Approx. 1130 mm (to top of screen) Weights Dry Weight: Approx. 130-140 kg Fuel Tank Capacity: Approx. 13 Liters Wheelbase: Approx. 1360-1380 mm 🛡️ Safety Features Ratings Safety Ratings: N/A (Motorcycle safety ratings not standardized like cars; manual focuses on mechanical safety). Active Features Braking System: Hydraulic disc brakes front and rear (e.g., Brembo calipers often used). Tire Specification: Typical front: 110/70-17, Rear: 150/60-17 (specifics in manual). Passive Features Lighting System: Halogen headlight, LED taillight (on later models), turn signals. Frame Construction: Aluminum twin-spar frame (Delta Box style), providing rigidity and lightness. 💡 Technology Features Infotainment Infotainment Features: N/A (Basic instrumentation: speedometer, tachometer, odometer, neutral indicator, turn signal indicators). Driver Assistance Driver Assistance Systems: N/A (No electronic rider aids like ABS or traction control on most models in this range). Connectivity Connectivity Features: N/A 🔧 Maintenance Service Intervals Oil Change Interval: Every 3000-5000 km or annually (specifics in manual). Spark Plug Replacement: Every 6000-8000 km (or based on inspection). Air Filter Cleaning: Every 3000-6000 km (depending on riding conditions). Chain Adjustment Lubrication: Regularly, e.g., every 500-1000 km, and after washing or riding in rain. Fluid Specifications Engine Oil Type: Specific 2-stroke engine oil for automatic injection systems (premix is not used for lubrication, only fuel). Brake Fluid Type: DOT 4 brake fluid recommended....