🏷️ Basic Information Identification Make: Aprilia Model: RS125 Year: 1997 Product Name: Aprilia RS125 RS125 1997 Service Repair Workshop Manual 👋 Introduction Market Position Market Position: The Aprilia RS125 of this era was a significant player in the lightweight supersport segment, known for its racing-inspired design and performance, catering to younger riders and enthusiasts seeking a premium 125cc experience. Competitive Analysis Competitive Analysis: Competed with iconic models like the Yamaha YZF-R125, Honda CBR125R, and Suzuki GSX-R125, often distinguished by its Italian styling and more aggressive performance tuning. Key Features Key Features: Lightweight chassis, high-revving two-stroke engine (Rotax 122), advanced suspension and braking for its class, aggressive sportbike ergonomics. 📋 Manual Details Coverage Areas Coverage Areas: Full service and repair instructions Page Count Page Count: Unknown (estimated comprehensive coverage) Manual Type Manual Type: Service Repair Workshop Manual Language Language: English Format Format: Likely Digital (PDF, ePub) or Printed 📖 Manual Coverage Systems Covered Systems Covered: Engine overhaul, transmission, fuel system, ignition system, cooling system, lubrication system, chassis, suspension, brakes, electrical system, bodywork, troubleshooting, diagnostics Procedures Included Procedures Included: Routine maintenance, scheduled servicing, disassembly, assembly, component testing, repair procedures, component replacement, electrical troubleshooting, carburetion adjustment, suspension tuning, brake system servicing Technical Depth Technical Depth: Comprehensive, suitable for professional mechanics and experienced DIY enthusiasts Diagnostics Diagnostics: Includes systematic troubleshooting guides, flowcharts, and specific tests for diagnosing common faults and issues. Wiring Diagrams Wiring Diagrams: Detailed electrical system diagrams are a critical component, enabling accurate diagnosis and repair of electrical faults. Torque Specifications Torque Specifications: Provides precise torque values for all fasteners, essential for correct assembly and preventing component failure. Special Tools Special Tools: Identifies any specific tools or equipment required for certain procedures, aiding in workshop preparation. Chassis And Bodywork Chassis And Bodywork: Detailed procedures for frame inspection, fairing removal and installation, seat and tank components, and lighting systems. Suspension And Steering Suspension And Steering: Front fork (telescopic, often with adjustable pre-load/damping) and rear shock absorber overhaul, steering head bearing adjustment and replacement. Braking System Braking System: Front and rear disc brake caliper overhaul, master cylinder servicing, brake line replacement, and bleeding procedures. 📊 Manual Specifications File Format File Format: PDF (assumed for digital versions, enabling searchability and printing) Print Quality Print Quality: High Resolution Diagrams and Text (expected for professional use) Binding Type Binding Type: Staple bound, perfect bound, or coil bound (for printed versions) Paper Type Paper Type: Durable, semi-gloss paper (for printed versions) resistant to workshop environments Completeness Completeness: Full coverage, indicating that all major mechanical and electrical systems are addressed in detail. ⚙️ Engine Specifications Primary Engine Engine Type: Two-stroke, single-cylinder Engine Displacement: 125cc (124.8 cc) Engine Manufacturer: Rotax (Rotax 122 engine variant) Bore X Stroke: 54 mm x 54.5 mm Compression Ratio: Approx. 12.0:1 Cooling System: Liquid-cooled Ignition System: Electronic CDI (Capacitor Discharge Ignition) Lubrication System: Premix or Autolube (separate oil injection system) Valve System: Reed valve intake, exhaust power valve system (typically electronically controlled). Performance Horsepower: Approx. 30-34 HP (depending on market restrictions and tuning) Torque: Approx. 21-23 Nm Top Speed: Approx. 150-160 km/h (depending on rider, conditions, and tuning) Power Delivery: Aggressive, peaky powerband characteristic of high-performance two-strokes. Fuel System Carburetor Type: Dell'Orto PHBH 28 (or similar 28mm constant-velocity carburetor) Fuel Type: Unleaded Gasoline (minimum 95 RON recommended) Fuel Delivery: Gravity feed from fuel tank to carburetor. 🔧 Transmission Standard Transmission Type: 6-speed manual Features Clutch Type: Wet multi-plate clutch Gear Ratios: Specific ratios detailed within the manual, allowing for performance tuning. 📐 Dimensions Exterior Length: Approx. 1950 mm Width: Approx. 720 mm Height: Approx. 1110 mm Wheelbase: Approx. 1375 mm Seat Height: Approx. 810 mm Ground Clearance: Approx. 150 mm Weights Dry Weight: Approx. 130-135 kg Fuel Tank Capacity: Approx. 10-12 Liters (including reserve) 🛡️ Safety Features Ratings Safety Ratings: Not applicable in the same manner as cars; focus is on vehicle dynamics and braking performance. Active Features Active Features: Powerful disc brakes front and rear, responsive steering geometry, sticky performance tires. Passive Features Passive Features: Robust frame construction (often perimeter frame), rider protection through ergonomic design. 💡 Technology Features Infotainment Infotainment: Not applicable for this model; basic analog instrumentation (speedometer, tachometer, coolant temp). Driver Assistance Driver Assistance: Not applicable; focus on rider feedback and control. Connectivity Connectivity: Not applicable. 🔧 Maintenance Service Intervals Service Intervals: Detailed in manual: oil changes, spark plug replacement, air filter cleaning/replacement, chain maintenance, brake fluid flush, coolant checks, top-end rebuilds for two-stroke engines. Spark Plug Replacement: Every 5,000-7,500 km or as per manual recommendations. Air Filter Maintenance: Clean/inspect every 2,500 km, replace as needed. Chain Maintenance: Lubricate and adjust every 500-1,000 km, replace with sprockets as a set when worn. Fluid Specifications Engine Oil: High-quality 2-stroke engine oil (specific grades and brands recommended in manual for premix or autolube). Coolant: Ethylene glycol-based antifreeze/coolant mixture (50/50 ratio). Brake Fluid: DOT...