🏷️ Basic Information Identification Make: Aprilia Model: RS 125 Model Variant: Full Faired Sportbike Applicable Years: 2006, 2007, 2008, 2009, 2010, 2011, 2012 Codes Engine Code: Rotax 122 (Varying specifics based on sub-model/market) 👋 Introduction Market Position Market Segment: Lightweight Supersport / Entry-Level Performance Motorcycle Target Audience: New riders seeking sporty styling and performance, experienced riders looking for a nimble and track-capable machine. Competitive Analysis Key Competitors: Yamaha YZF-R125, Honda CBR125R, Kawasaki Ninja 125 (depending on market availability and specific model years). Key Features Design Philosophy: Aggressive, race-inspired styling mimicking larger Aprilia sportbikes, lightweight chassis for agility. Performance Focus: Emphasis on handling, braking, and a rev-happy two-stroke engine (in earlier versions of the platform, though later models might have transitioned to 4-stroke). This manual likely covers the later iterations, potentially with 4-stroke engines depending on exact year variants. *Correction: The Rotax 122 is a 2-stroke engine.* Manual Purpose: To provide detailed technical guidance for the repair, maintenance, and servicing of the Aprilia RS 125 models from 2006-2012, ensuring optimal performance and longevity. 📋 Manual Details Coverage Areas Manual Language: English (Presumed primary language of this edition) Manual Format: PDF Manual Type: Workshop Repair Service Manual Page Count Estimated Page Count: Refer to actual PDF for precise count, typically 300-600 pages for comprehensive workshop manuals. 📖 Manual Coverage Systems Covered Engine: Detailed disassembly, assembly, inspection, and repair of the Rotax 122 engine, including top-end (cylinder, piston, rings), bottom-end (crankshaft, connecting rod, bearings), cylinder head, and cooling system. Fuel System: Carburetor (likely Dell'Orto PHBH or similar) tuning, cleaning, overhaul, fuel pump, fuel lines, and fuel tank maintenance. Ignition System: CDI unit, spark plug, stator, rotor, and wiring diagnostics. Transmission: 6-speed gearbox, clutch assembly (wet multi-plate), gear selection mechanism, lubrication, and troubleshooting. Cooling System: Radiator, water pump, thermostat, hoses, and coolant specifications. Exhaust System: Expansion chamber, muffler, and associated fittings maintenance and inspection. Chassis: Frame inspection, alignment, and repair considerations. Front Suspension: Telescopic front forks (e.g., Marzocchi or Paioli), oil change, seal replacement, spring inspection, and damping adjustments. Rear Suspension: Monoshock rear suspension, linkage maintenance, shock absorber servicing, and adjustment procedures. Brakes Front: Hydraulic disc brake system, caliper overhaul, master cylinder servicing, brake pad replacement, fluid flush and bleeding, and rotor inspection. Brakes Rear: Hydraulic disc brake system, caliper overhaul, master cylinder servicing, brake pad replacement, fluid flush and bleeding, and rotor inspection. Wheels Tires: Wheel bearing inspection and replacement, rim maintenance, tire mounting and balancing, and recommended tire pressures. Electrical System: Wiring diagrams, battery maintenance, lighting systems (headlight, tail light, indicators), horn, starter motor, and fuse box diagnostics. Instrumentation: Speedometer, tachometer, coolant temperature gauge, and warning lights operation and troubleshooting. Bodywork: Fairing removal and installation, seat, fuel tank, and associated paneling. Procedures Included Maintenance: Scheduled maintenance tasks, lubrication points, filter replacements (air, oil if applicable), chain adjustment, and general upkeep. Troubleshooting: Diagnostic procedures for common problems, electrical fault finding, engine performance issues, and mechanical failures. Repair: Step-by-step instructions for component removal, repair, reassembly, and adjustment. Overhaul: Complete engine rebuilds, carburetor overhauls, and suspension unit servicing. Diagnostics: Guidance on identifying the root cause of malfunctions using systematic testing. Technical Depth Depth: Comprehensive, suitable for professional technicians and experienced DIY mechanics. Covers full disassembly, repair, and reassembly with detailed diagrams and specifications. 📊 Manual Specifications File Format File Type: Portable Document Format (PDF) Searchability: Likely text-searchable if produced from original digital sources, enabling quick access to information. Print Quality: Dependent on the original source, but typically aims for clarity of text and diagrams for printing. Binding Type Binding: N/A (Digital PDF format) Paper Type Paper Quality: N/A (Digital PDF format) ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, 2-stroke, single-cylinder, Reed-valve induction Bore X Stroke: 54 mm x 54.5 mm (Typical for Rotax 122) Displacement: 124.8 cc Compression Ratio: Approx. 12.0:1 (Varies with sub-model) Power Output Hp: Approx. 33-34 HP (claimed, may vary by market regulations and specific year) Torque Nm: Approx. 22-23 Nm (Varies) Lubrication: Autolube (separate oil injection system) Fuel System Carburetor Type: Dell'Orto PHBH 28 or similar 28mm flat-slide carburetor Fuel Type: Unleaded gasoline, minimum 95 RON (Octane rating) Fuel Delivery: Gravity feed with vacuum operated fuel tap 🔧 Transmission Standard Type: 6-speed constant mesh Clutch Type: Wet, multi-plate Features Gear Ratios: Specific ratios will be detailed in the manual, critical for performance tuning. Final Drive: Chain drive (e.g., 16/40 tooth sprockets typical) Transmission Fluid: Typically a high-quality 10W-40 or 15W-50 motorcycle specific engine oil, capacity approx. 0.8 - 1.0 liters. Refer to manual for precise specification and part number. 📐 Dimensions Exterior Length: Approx. 1945 mm (Varies slightly by year) Width: Approx. 760 mm (Varies slightly by year) Height: Approx. 1135 mm (Varies slightly by year) Weights Dry Weight: Approx. 140 kg (Varies) Wet Weight: Approx. 155 kg (Varies, with fluids) Fuel Tank Capacity: Approx. 12 liters Seat Height: Approx....