🏷️ Basic Information Identification Make: Aprilia Model: RS125 Year: Various (implied comprehensive coverage) Codes Product Code: RS125 # 1 👋 Introduction Market Position Segment: Lightweight Supersport / Performance Motorcycle Competitive Analysis Competitors: Yamaha YZF-R125, Honda CBR125R, Suzuki GSX-R125, Kawasaki Ninja 125. Key Features Design Philosophy: Race-inspired styling, sporty handling, efficient two-stroke (earlier models) or four-stroke (later models) engine, lightweight chassis. Target Audience: Beginner motorcyclists, track day enthusiasts, riders seeking a stylish and agile sportbike experience. Manual Utility Value Proposition: Empowers owners to perform a wide range of maintenance and repair tasks, saving on dealership labor costs and ensuring optimal performance. 📋 Manual Details Coverage Areas Scope: Workshop Service and Repair Page Count Estimated Pages: Likely 300+ (typical for comprehensive workshop manuals) Manual Type Type: Workshop Service Repair Manual Language Language: English (implied by product description) Format Format: Digital Download (PDF) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, disassembly, top-end overhaul, bottom-end overhaul, piston/ring replacement, valve adjustment, crankshaft service, cylinder head repair. Fuel System: Carburetor tuning and overhaul (likely Dell'Orto PHBH/VHST variants), fuel pump operation, fuel lines, fuel tank maintenance. Ignition System: CDI ignition system, spark plug selection and gap, ignition timing, stator and rotor service, wiring diagrams. Cooling System: Radiator service, coolant type and capacity, water pump overhaul, thermostat operation, fan operation. Exhaust System: Exhaust pipe removal and installation, mufflers, expansion chambers (if applicable to specific model variations). Transmission: Gearbox disassembly and reassembly, gear selection mechanism, clutch operation, clutch friction plate replacement, chain and sprockets. Chassis Frame: Frame inspection, headstock bearing service, swingarm service, pivot point lubrication. Suspension Front: Telescopic fork service, oil change and level, seal replacement, spring inspection, damping adjustment (if applicable). Suspension Rear: Monoshock absorber service, linkage maintenance, spring preload adjustment, damping adjustment (if applicable). Brakes Front: Brake caliper service and overhaul, brake pad replacement, disc inspection and replacement, master cylinder service, brake fluid type and bleeding procedure. Brakes Rear: Brake caliper service and overhaul, brake pad replacement, disc inspection and replacement, master cylinder service, brake fluid type and bleeding procedure. Wheels Tires: Wheel bearing service, tire inspection and replacement, wheel balancing, spoke tension adjustment (if applicable). Electrical System: Battery maintenance, starter motor, lighting system (headlight, taillight, indicators), wiring diagrams for all circuits, fuse replacement, electrical troubleshooting. Bodywork Fairings: Fairing removal and installation, graphic application, seat maintenance, fuel tank removal and installation. Procedures Included Preventative Maintenance: Routine checks, lubrication points, filter replacement, fluid changes, spark plug replacement. Troubleshooting: Diagnostic charts for common problems, fault finding procedures for engine, electrical, and mechanical systems. Repair Overhaul: Step-by-step instructions for component disassembly, repair, and reassembly. Diagnostics: Methods for diagnosing specific issues, electrical system testing, mechanical component checks. Adjustments: Carburetor adjustment, chain adjustment, brake lever adjustment, clutch lever adjustment, suspension adjustments. Torque Specifications: Detailed torque values for all critical fasteners. Wiring Diagrams: Comprehensive electrical schematics for all model variations. Technical Depth Depth: Comprehensive from basic maintenance to full engine rebuilds and detailed electrical troubleshooting. 📊 Manual Specifications File Format Format: PDF Print Quality Resolution: High-resolution, suitable for printing all pages. Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Configuration: Single-cylinder, 2-stroke (early models), or 4-stroke (later models, often liquid-cooled). Displacement: Approximately 125cc Bore X Stroke: Varies by specific model year and engine version (e.g., 54 mm x 54.5 mm for some Rotax engines). Compression Ratio: Varies by engine (e.g., 12.0:1 for some 4-stroke models). Cooling System: Liquid-cooled Performance Horsepower: Typically around 15 hp (restricted for A1 license in many regions), with potential for higher output in unrestricted versions. Torque: Specific values vary, but focus on usability in the mid-range for this class. Fuel System Carburetion: Often Dell'Orto PHBH or VHST series (e.g., 28mm or 30mm), or fuel injection on later 4-stroke models. Fuel Type: Unleaded Gasoline (RON 95 or higher recommended) 🔧 Transmission Standard Type: 6-speed constant mesh sequential gearbox Optional Optional Types: N/A Features Clutch Type: Wet multi-plate clutch (cable operated) Final Drive: Chain drive 📐 Dimensions Exterior Length: Varies by model year (e.g., approx. 1950 mm). Width: Varies by model year (e.g., approx. 720 mm). Height: Varies by model year (e.g., approx. 1060 mm). Wheelbase: Varies by model year (e.g., approx. 1360 mm). Weights Dry Weight: Varies by model year (e.g., approx. 117 kg). Wet Weight: Varies by model year (e.g., approx. 130 kg). Capacities Fuel Tank Capacity: Approximately 10.5 - 11 liters 🛡️ Safety Features Ratings Safety Standard: Manufactured to meet European safety standards (e.g., Euro 3/4/5 depending on year). Active Features Braking System: Disc brakes front and rear, often with ByBre or Brembo calipers. ABS: Optional on some later models or specific market variants. Passive Features Lighting: Halogen or LED headlight, taillight, and indicators. 💡 Technology Features Infotainment Instrument Cluster: Digital/analog combination or fully digital display showing speed, RPM, fuel level, trip meters, and warning lights....