🏷️ Basic Information Identification Make: Aprilia Model: RS125 Model Variant: Full Fairing Sportbike Generation Generation Identifier: Rotax 122 Series Engine Era Codes Chassis Code Prefix: AP06 👋 Introduction Market Position Market Segment: Lightweight, high-performance sportbike in the 125cc class, often favoured by younger riders and those seeking nimble handling and a track-inspired experience. Target Audience: Enthusiasts and owners seeking to maintain, repair, or restore their Aprilia RS125, especially those who appreciate the Italian engineering and performance legacy. Competitive Analysis Key Competitors: Yamaha YZF-R125, Cagiva Mito 125, Honda CBR125R, Suzuki GSX-R125 Key Features Design Philosophy: Race-bred Italian styling, high-revving 2-stroke performance, lightweight chassis, advanced suspension and braking for its class. Manual Value Proposition: Enables owners to perform all necessary maintenance and repairs, saving on dealership costs and extending the lifespan of a performance-oriented motorcycle. 📋 Manual Details Coverage Areas Primary Coverage: Service, Repair, Maintenance, Troubleshooting, Diagnostics, Specifications Secondary Coverage: Electrical Systems, Engine Overhaul, Chassis Components, Bodywork Page Count Estimated Page Count: 300+ Manual Type Manual Type: Complete Workshop Service Repair Manual Language Language: English Format Format: Downloadable PDF 📖 Manual Coverage Systems Covered Engine Systems: 2-stroke single-cylinder engine, cooling system, lubrication, fuel system (carburetor), exhaust system, ignition system, starting system, engine overhaul Transmission Drivetrain: 6-speed gearbox, clutch operation, chain drive, gearbox oil specifications and replacement Chassis Suspension Brakes: Front telescopic fork (e.g., Marzocchi or Paioli), rear monoshock (e.g., Sachs or Bitubo), front and rear brake systems (hydraulic disc), wheel bearing maintenance, steering head bearing service Electrical System: Wiring diagrams, lighting system, battery maintenance, charging system (stator/rotor), starter motor, instrument cluster, ignition components Bodywork Frame: Fairing removal and installation, seat, fuel tank, rear seat cowl, frame inspection and repair considerations Procedures Included Scheduled Maintenance: Oil changes, spark plug replacement, air filter cleaning/replacement, chain adjustment, brake fluid flush, coolant checks and replacement Engine Repairs: Top-end rebuild (piston, rings, cylinder), bottom-end overhaul, crankcase assembly, carburetor tuning and cleaning, power valve system servicing Troubleshooting Diagnostics: Common problems (e.g., starting issues, carburetor bogging, electrical faults), diagnostic steps, fault code interpretation (if applicable), component testing Component Replacement: Brake pad replacement, caliper service, shock absorber replacement, fork seal replacement, clutch lever and cable replacement Technical Depth Depth Of Coverage: Comprehensive, suitable for both home mechanics and professional technicians. Covers basic to advanced repair procedures, including full engine disassembly and reassembly. 📊 Manual Specifications File Format File Type: PDF Searchability: Text-searchable (OCR applied) Print Quality Image Resolution: High-resolution scans for clear diagrams and text Scalability: Zoomable for detailed inspection of components and procedures Binding Type Binding Type Digital: N/A (Downloadable) Paper Type Paper Type Digital: N/A (Digital Document) ⚙️ Engine Specifications Primary Engine Engine Type: 2-stroke, single-cylinder, liquid-cooled Displacement: 124.8 cc Bore X Stroke: 54 mm x 54.5 mm Compression Ratio: 12.5:1 (approx.) Valve Actuation: Reed valve intake, exhaust valve (Rotax 'APCS' - Aprilia Computerized Power System) Performance Horsepower Peak: Approx. 30-34 HP (depending on market and restrictor status) Torque Peak: Approx. 20-22 Nm Fuel System Carburetor Type: Dell'Orto PHBH 28 (or similar specification) Fuel Type: Unleaded gasoline (RON 95-98 recommended) Fuel Delivery: Gravity feed from fuel tank, with electric fuel pump for reserve supply in some configurations. Ignition System Ignition Type: Electronic CDI, variable advance Lubrication Lubrication Method: Premix or separate oil injection system (Autolube) Cooling System Cooling Method: Liquid-cooled Coolant Type: Ethylene glycol-based coolant (e.g., Motul Motocool Expert, Castrol Radicool) 🔧 Transmission Standard Transmission Type: Constant mesh, 6-speed gearbox Clutch Type: Wet, multi-plate, cable-actuated Final Drive: Chain drive (e.g., 15/44T gear ratio typical) Features Gear Ratios: Specific ratios detailed in manual, e.g., 1st: 2.5, 2nd: 1.85, 3rd: 1.45, 4th: 1.2, 5th: 1.04, 6th: 0.91 Gearbox Oil: Viscosity SAE 75W/90 or SAE 10W/40 motorcycle-specific gear oil 📐 Dimensions Exterior Length: Approx. 1950 mm Width: Approx. 720 mm Height: Approx. 1100 mm Wheelbase: Approx. 1335 mm Weights Dry Weight: Approx. 130-135 kg Wet Weight: Approx. 145-150 kg Max Load: Approx. 180 kg Cargo Cargo Capacity: Under-seat storage (minimal) 🛡️ Safety Features Ratings Crash Test Ratings: Not applicable for motorcycles in standard automotive safety rating systems (e.g., NHTSA, Euro NCAP). Active Features Braking System: Front: Dual piston caliper, 320mm disc; Rear: Single piston caliper, 220mm disc (ABS typically not available on these models). Tires: Front: 110/70-17; Rear: 150/60-17 (typical sizes) Passive Features Lighting: Halogen headlight, LED taillight (depending on specific year/market) Frame Construction: Aluminum alloy twin-spar frame for rigidity and light weight. 💡 Technology Features Infotainment Instrument Cluster: Analog tachometer, speedometer, odometer, trip meter, temperature warning light, oil level warning light. Digital clock and basic indicator lights. Driver Assistance ABS Availability: Not typically equipped with ABS during this production period. Connectivity Bluetooth Connectivity: Not applicable for this model year. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000-5,000 km or annually, depending on usage. Check gearbox oil level regularly and change every 6,000-10,000 km. Spark Plug Replacement: Typically every 5,000-10,000...