🏷️ Basic Information Identification Make: Aprilia Model: RS125 Year Coverage: 2006 onwards Codes Engine Code: Rotax 125cc 2-stroke (Specific codes vary by market and year, e.g., 123, 138) 👋 Introduction Market Position Market Position: The Aprilia RS125 is a highly regarded 125cc sportbike, known for its racing heritage and premium feel within its class. It appeals to younger riders seeking a stylish and performance-oriented machine, often as an entry into sportbike ownership. Competitive Analysis Competitors: Competed against models like the Yamaha YZF-R125, Honda CBR125R, Suzuki GSX-R125, and Kawasaki Ninja 125. Key Features Key Features: Powerful 2-stroke engine, sophisticated chassis derived from larger Aprilia models, aggressive styling, high-quality suspension components, capable of high performance for its displacement. 📋 Manual Details Coverage Areas Coverage Type: Comprehensive workshop and repair Page Count Page Count: Estimated 300-500+ pages (typical for detailed workshop manuals of this era) Manual Type Manual Type: Digital Workshop Repair Manual Language Language: English (Standard for international release, potential for multilingual versions) Format Format: Digital (Likely PDF or similar accessible format) 📖 Manual Coverage Systems Covered Engine System: Complete overhaul, tuning, carburetor settings, ignition system, cooling system, lubrication, exhaust system Transmission System: Gearbox disassembly, inspection, repair, clutch operation and adjustment, chain drive maintenance Chassis System: Frame, swingarm, bearings, suspension (front forks, rear shock absorber), steering system Braking System: Front and rear brake systems (disc brakes), caliper maintenance, fluid replacement, bleeding procedures Electrical System: Wiring diagrams, lighting, starter motor, battery, ignition, instruments, fault diagnosis Fuel System: Fuel tank, fuel lines, fuel pump (if applicable), carburetor (Dell'Orto PHBH or similar), fuel filter replacement Cooling System: Radiator, coolant, fan, hoses, water pump maintenance and repair Bodywork And Trim: Fairings, seat, fuel tank cover, fenders, mirrors, indicators, decals Procedures Included Maintenance: Regular servicing, oil changes, filter replacements, spark plug checks, chain lubrication and adjustment Troubleshooting: Diagnostic procedures for common and uncommon faults, symptom-based troubleshooting guides Repair: Detailed step-by-step repair instructions for all major components and systems Rebuild: Full engine and gearbox rebuild procedures, including component specifications and tolerances Installation: Instructions for fitting aftermarket parts or replacing major assemblies Technical Depth Depth: Detailed technical specifications, torque values, clearances, and diagnostic data for professional mechanics and experienced enthusiasts 📊 Manual Specifications File Format File Format: PDF (Portable Document Format) - typically searchable and printable Print Quality Print Quality: High-resolution, suitable for printing individual pages or the entire manual 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 (typical, may vary slightly) Compression Ratio: Approximately 12.5:1 (subject to specific model variant) Valve Train: Reed valve induction, Aprilia's APS (Aprilia Performance System) exhaust power valve Performance Horsepower: Typically around 15-30 HP (depending on market regulations and specific tuning, with restricted versions for A1 license holders) Torque: Varies with horsepower output, typically in the range of 12-18 Nm Fuel System Fuel Delivery: Carburetor (e.g., Dell'Orto PHBH 28) with automatic oil injection Fuel Type: Unleaded gasoline, minimum 95 RON Engine Components Ignition: Electronic CDI ignition system Exhaust: Expansion chamber exhaust system with catalytic converter (for emissions compliance) Lubrication Oil System: Separate oil injection system for 2-stroke oil 2 Stroke Oil Type: High-quality synthetic 2-stroke engine oil meeting JASO FD or ISO-L-EGD specifications 🔧 Transmission Standard Transmission Type: 6-speed constant mesh manual gearbox Optional Optional Transmission: N/A (Standard for this model) Features Clutch Type: Wet multi-plate clutch, hydraulically operated Final Drive: Chain drive Transmission Fluid Transmission Oil Type: Gear oil (refer to manual for specific viscosity, e.g., SAE 75W/90 or 10W/40) 📐 Dimensions Exterior Length: Approx. 1950 mm Width: Approx. 740 mm Height: Approx. 1100 mm Wheelbase: Approx. 1335 mm Weights Dry Weight: Approx. 140 kg Wet Weight: Approx. 155 kg (with all fluids) Fuel Tank Capacity: 13 Liters (including 3-liter reserve) Suspension Front Suspension Type: Upside-down telescopic fork, Marzocchi or Paioli (model dependent), adjustable preload and damping Front Fork Diameter: 40 mm Rear Suspension Type: Monoshock absorber, progressive linkage system, adjustable preload and rebound damping Wheels And Tires Front Wheel Size: 17 inch Rear Wheel Size: 17 inch Front Tire Size: 110/70-17 Rear Tire Size: 140/70-17 Wheel Bolt Pattern: N/A (Spoked or Cast Wheels, Hub Assembly) Brakes Front Brake Type: Hydraulic disc brake, dual piston caliper Front Brake Disc Diameter: 320 mm Rear Brake Type: Hydraulic disc brake, single piston caliper Rear Brake Disc Diameter: 210 mm 🛡️ Safety Features Ratings Safety Ratings: Not typically rated by official agencies like NHTSA for motorcycles; safety relies on design and rider skill. Active Features Active Safety: Responsive braking system, good handling characteristics, effective suspension Passive Features Passive Safety: Sturdy frame construction, fairing for rider protection from elements 💡 Technology Features Infotainment Infotainment System: Basic analogue and digital instrument cluster (speedometer, tachometer, odometer, trip meter, coolant temperature warning)...