🏷️ Basic Information Identification Make: Aprilia Model: RS125 Model Variant: RS 125 (Rotax 122) Model Year Coverage: 2006 onwards Codes Chassis Code: RP125, RS125FF, RS125RF (depending on region/specific variant) 👋 Introduction Market Position Segment: Lightweight supersport motorcycle segment, popular for track days and spirited street riding. Target Audience: Enthusiast owners seeking to perform their own maintenance and repairs, DIY mechanics, and restoration projects. Competitive Analysis Key Competitors: Yamaha YZF-R125, Honda CBR125R, Kawasaki Ninja 125 (depending on market availability and year). Key Features Manual Value Proposition: Significant cost savings on dealership service and repairs, empowering owners with knowledge and tools for self-sufficiency. Vehicle Legacy: The RS125 is a long-standing model known for its performance and race-inspired styling in the 125cc class. 📋 Manual Details Coverage Areas Language: English Format: Digital Download (PDF) Manual Type: Service Repair Workshop Manual Page Count Estimated Page Count: 300+ 📖 Manual Coverage Systems Covered Engine: Comprehensive engine disassembly, assembly, tuning, and troubleshooting for Rotax 122 engine variants. Fuel System: Carburetor (Dell'Orto PHBH 28/30 or similar), fuel injection systems (if applicable to specific models covered by '2006 onward' designation), fuel tank, fuel pump, lines, and filter. Ignition System: CDI ignition, stator, flywheel, spark plugs, wiring diagrams, and troubleshooting. Transmission: 6-speed gearbox, clutch operation (cable actuation), internal transmission components, lubrication, and troubleshooting. Cooling System: Liquid cooling system, radiator, fan, water pump, coolant hoses, and thermostat. Exhaust System: Expansion chamber, silencer, mounting, and emissions-related components. Brakes: Front and rear hydraulic disc brakes (calipers, master cylinders, brake lines, pads, rotors), bleeding procedures, and troubleshooting. Suspension: Front telescopic forks (e.g., Marzocchi or Paioli), rear monoshock suspension, fork oil, seals, and shock absorber adjustments. Wheels And Tires: Wheel bearing replacement, tire mounting/disassembly, wheel specifications, and recommended tire pressures. Electrical System: Battery, charging system (stator, regulator/rectifier), lighting (headlight, tail light, indicators), horn, starter motor, and comprehensive wiring diagrams for various configurations. Chassis And Frame: Frame inspection, steering head bearings, swingarm bearings, and general chassis components. Bodywork: Fairing removal and installation, seat, fuel tank cover, fenders, and associated fasteners. Procedures Included Maintenance: Scheduled maintenance (oil changes, chain adjustment, spark plug replacement, air filter cleaning/replacement, coolant checks). Troubleshooting: Diagnostic procedures for common issues related to starting, running, electrical faults, and braking. Repair: Step-by-step instructions for component repair, replacement, and rebuilds. Rebuilding: Detailed engine top-end and bottom-end rebuild procedures, including piston, cylinder, crankshaft, and gearbox rebuilds. Diagnostics: Fault finding guides based on symptoms, electrical system diagnostics using wiring diagrams. Tune Up: Carburetor adjustment, timing checks (if applicable), and general performance optimization. Wiring: Detailed wiring diagrams for electrical components, lighting, and ignition. Technical Depth Level Of Detail: In-depth, covering everything from basic maintenance to full engine rebuilds and complex electrical diagnostics. Torque Specifications: Includes critical torque values for engine, chassis, and suspension fasteners. Clearances: Engine component clearances (piston to cylinder, ring gaps), bearing clearances. Schematics: Includes fluid flow diagrams and detailed electrical schematics. 📊 Manual Specifications File Format File Type: PDF Searchability: Text-searchable PDF for quick information retrieval. Print Quality Resolution: High-resolution scans ensuring clarity of diagrams and text. Scalability: Printable at full size without loss of detail. Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, 2-stroke, single-cylinder Engine Code: Rotax 122 E (or similar variants) Displacement: 124.8 cc Bore X Stroke: 54 mm x 54.5 mm Compression Ratio: Approx. 8.5:1 (varies by specific market/tuning) Power Output: Typically 15 hp (11 kW) at 8,000 rpm for restricted versions; higher for unrestricted versions (e.g., 30+ hp). Torque: Approx. 12 Nm at 7,500 rpm (restricted); higher for unrestricted. Cooling System: Pressurized liquid cooling with electric fan Lubrication: Pre-mix or Autolube oil injection system Performance Top Speed: Approx. 110-130 km/h (restricted); higher for unrestricted versions. Fuel System Carburetor Type: Dell'Orto PHBH 28 AS or PHBH 30 AS (depending on market and year) Fuel Type: Unleaded gasoline (RON 95 or higher recommended) 🔧 Transmission Standard Gearbox: 6-speed constant mesh Clutch Type: Wet, multi-plate, cable-actuated Features Gear Ratios: Specific ratios detailed within the manual, crucial for performance tuning. Final Drive: Chain drive (e.g., 16/40 tooth sprockets) 📐 Dimensions Exterior Length: Approx. 1,995 mm Width: Approx. 720 mm Height: Approx. 1,135 mm Wheelbase: Approx. 1,375 mm Weights Dry Weight: Approx. 132 kg Gross Vehicle Weight Rating: Typically around 300 kg Fuel Tank Capacity: Approx. 10.5 liters (including reserve) 🛡️ Safety Features Ratings Crash Safety: N/A (Motorcycle safety is primarily based on design, rider skill, and active safety features). Active Features Braking System: Dual-piston front caliper with 320mm disc, single-piston rear caliper with 220mm disc. ABS was not standard on most models in this era. Lighting: Halogen headlight, LED taillight (depending on specific year). Passive Features Frame Design: Aluminum alloy twin-spar frame for rigidity and lightweight. Tires: Sport-oriented tire sizes, e.g., 110/70-17 front, 150/60-17 rear. 💡 Technology Features Infotainment Display Type: Analog...