🏷️ Basic Information Identification Make: Aprilia Model: RS 125 Model Variant: Rotax 122 engine Production Years Covered: 1993-2006 Codes Chassis Codes: AP04, AP05, AP06 (specific to generation/updates) 👋 Introduction Market Position Market Segment: Lightweight supersport motorcycle, popular for track days and spirited road riding. Competitive Analysis Competitors: Yamaha YZF-R125, Honda CBR125R, Suzuki GSX-R125, Kawasaki Ninja 125. Key Features Model Reputation: Renowned for its sharp handling, potent two-stroke engine performance, and aggressive styling, making it a class leader for its era. Manual Value Proposition Target Audience: Aprilia RS 125 owners, mechanics, and enthusiasts seeking to maintain, repair, or restore their motorcycles. 📋 Manual Details Coverage Areas Coverage Description: Comprehensive service and repair information for all aspects of the Aprilia RS 125 from 1993 to 2006, including maintenance, troubleshooting, diagnostics, and repair procedures. Page Count Estimated Page Count: Likely 300-500+ pages (typical for comprehensive service manuals of this era) Manual Type Manual Type: Online Service/Repair Manual Language Language: English (assumed, standard for online service manuals of this type) Format Format: Digital (Online Access/Downloadable PDF) 📖 Manual Coverage Systems Covered Engine Systems: Top-end (cylinder, piston, head), bottom-end (crankshaft, connecting rod, bearings), lubrication, cooling, intake, exhaust, fuel delivery (carburetor tuning and overhaul). Transmission Systems: Clutch (operation, adjustment, replacement), gearbox (gear selection, internal components, lubrication), final drive (chain adjustment and replacement). Chassis Systems: Frame, swingarm, rear suspension (monoshock adjustment and rebuild), front suspension (forks, seals, oil changes), steering system, wheels, tires, brakes (front and rear disc systems, hydraulics, pad replacement). Electrical Systems: Ignition system (CDI, spark plug), lighting (headlight, taillight, indicators), charging system (stator, rectifier/regulator), battery, starter motor, wiring diagrams, fuses. Bodywork And Trim: Fairings, seat, fuel tank, instrumentation, levers, controls. Procedures Included Maintenance Procedures: Oil changes, filter replacements, chain lubrication and adjustment, brake fluid flush, coolant flush, spark plug replacement, air filter cleaning/replacement, carburetor cleaning and synchronization. Repair Procedures: Engine disassembly and reassembly, cylinder head rebuild, piston and ring replacement, crankshaft bearing replacement, transmission gear inspection and replacement, fork seal replacement, brake caliper overhaul, carburetor jetting and tuning. Troubleshooting Guides: Diagnostic flowcharts for common starting issues, running problems, electrical faults, and performance issues. Technical Data And Specs: Torque specifications for all fasteners, engine clearances, carburetor settings, suspension sag, electrical component specifications. Technical Depth Depth Of Coverage: Comprehensive, covering everything from basic rider maintenance to full engine rebuilds and advanced electrical diagnostics. Suitable for both DIY enthusiasts and professional mechanics. 📊 Manual Specifications File Format File Type: PDF (Portable Document Format) Print Quality Print Quality Recommendation: High resolution for clear diagrams and text, suitable for printing specific sections or the entire manual. Binding Type Binding Type: N/A (Digital Format) Paper Type Paper Type Recommendation: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, two-stroke, single-cylinder Engine Displacement: 124.8 cc (cubic centimeters) Bore X Stroke: 54 mm x 54.5 mm (approximate, may vary slightly by year) Compression Ratio: 12.5:1 (typical for later models) Ignition System: Digital CDI with electronic advance Cooling System: Liquid-cooled Performance Horsepower: Approx. 30-34 HP (varies by market regulations and specific year/tuning) Torque: Approx. 20-22 Nm (varies by market) Fuel System Carburetor Type: Dell'Orto PHBH 28/30 (common, may vary by specific model year and market) Fuel Type: Unleaded gasoline, minimum 95 RON Fuel Mixture: Premixed fuel and oil (oil injection system) Engine Oil Engine Oil Type: 2-stroke synthetic or semi-synthetic oil meeting JASO FD or API TC specifications 🔧 Transmission Standard Transmission Type: 6-speed manual sequential gearbox Clutch Type: Wet multi-plate clutch Features Gear Ratios: Specific ratios available in the manual, typically optimized for performance. Final Drive: Chain drive, 520 pitch (common) Transmission Oil Gearbox Oil Type: Manual transmission fluid (MTF) or specific gearbox oil, capacity specified in manual. 📐 Dimensions Exterior Length: Approx. 1950 mm (varies slightly by year) Width: Approx. 730 mm (at handlebars) Height: Approx. 1070 mm (at handlebars) Wheelbase: Approx. 1360 mm Weights Dry Weight: Approx. 131 kg Wet Weight: Approx. 142 kg (with fluids) Fuel Tank Capacity: Approx. 13 liters Dimensions Seat Height: Approx. 810 mm 🛡️ Safety Features Ratings Safety Features Description: While specific crash test ratings for this era of lightweight motorcycles are not as standardized as modern cars, the RS 125 features robust braking systems and a stable chassis for its class. Active Features Braking System Front: Single disc, 320 mm diameter, 4-piston caliper (e.g., Brembo or Grimeca depending on year/market) Braking System Rear: Single disc, 220 mm diameter, 2-piston caliper Passive Features Lighting: Halogen headlight, LED taillight (on later models), front and rear turn signals. Tires Front: 110/70-17 (common) Tires Rear: 150/60-17 (common) Suspension Front: Upside-down (USD) telescopic forks, adjustable preload/rebound on some models. Suspension Rear: Monoshock absorber with adjustable preload and rebound damping. 💡 Technology Features Infotainment Infotainment System: N/A (basic instrumentation) Driver Assistance Driver Assistance Features: N/A (no electronic rider aids in the modern sense) Instrumentation Instrument Cluster: Analog tachometer,...