🏷️ Basic Information Identification Make: Aprilia Model: RS125 Year: 2006 Generation Generation Code: Second Generation (Post-2006 facelift, though this manual specifically covers the 2006 model year before the major visual updates of later years) Codes Engine Code Designation: Rotax 123 (often referred to by its engine manufacturer and internal code, specific Aprilia designation may vary) 👋 Introduction Market Position Segment: Lightweight sportbike, popular among younger riders and track day enthusiasts. Competitive Analysis Competitors: Yamaha YZF-R125, Honda CBR125R, Suzuki GSX-R125 (depending on regional availability and specific model years). Key Features Aerodynamics: Aggressive, race-inspired fairing design mimicking larger Aprilia sportbikes. Performance: Known for its spirited performance in the 125cc class, leveraging the Rotax engine's capabilities. Target Audience Rider Profile: Beginner sportbike riders, those seeking a stylish and agile motorcycle, and riders looking for an affordable entry into performance motorcycling. 📋 Manual Details Coverage Areas Primary Coverage: Service and repair of the Aprilia RS125 (2006 model year) Scope: Comprehensive mechanical and electrical systems Page Count Page Count: 194 Manual Type Type: Official Certified Service & Repair Manual Manual Purpose: Designed for technicians and knowledgeable owners to perform maintenance, repairs, and diagnostics on the Aprilia RS125. Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine: Complete engine disassembly, assembly, diagnostics, and component overhaul. Fuel System: Carburetor adjustment, cleaning, fuel pump operation, fuel lines, and fuel tank maintenance. Cooling System: Radiator, coolant flow, thermostat operation, water pump, and bleeding procedures. Chassis: Frame, suspension (front forks, rear shock absorber), steering head bearings, swingarm, and wheel bearings. Electric System: Wiring diagrams, battery, charging system (stator, regulator/rectifier), ignition system (CDI, spark plug), lighting, and starter motor. Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, spark plug replacement, chain adjustment, brake pad replacement. Repair: Engine rebuild, carburetor tuning, suspension servicing, electrical troubleshooting and component replacement. Troubleshooting: Diagnostic procedures for common issues related to engine performance, electrical faults, and starting problems. Engine Rebuild Steps: Detailed steps for engine disassembly, piston and cylinder inspection/replacement, crankshaft inspection, and reassembly. Includes torque specifications for critical fasteners. Carburetor Overhaul: Instructions for disassembling, cleaning, and reassembling the carburetor, including float height adjustment and jetting guidance. Suspension Tuning: Information on fork oil level and type, rear shock absorber preload adjustment, and general suspension maintenance. Electrical Diagnostics: Provides wiring diagrams for the entire motorcycle, enabling diagnosis of electrical faults. Covers testing of components like the stator, CDI, ignition coil, and battery charging system. Technical Depth Depth: Detailed repair procedures, component specifications, tolerances, and torque values. Diagnostics: Includes specific diagnostic steps and troubleshooting trees for various systems. 📊 Manual Specifications File Format File Type: PDF Searchability: Assumed to be text-searchable given it's an 'official certified' manual and a digital format. Print Quality Image Quality: Exceptionally good, with bright and high-quality pictures when printed. Binding Type Binding: Not applicable (digital PDF format) Paper Type Paper: Not applicable (digital PDF format) Authenticity Authenticity Claim: Only original manuals sold, no copied manuals. Completeness Manual Completeness: This manual covers the core systems required for service and repair, including engine, fuel, cooling, chassis, and electrical. It is presented as a comprehensive service and repair guide. ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, 2-stroke, single-cylinder Displacement: 125 cc Bore X Stroke: 54 mm x 54.5 mm Compression Ratio: Approx. 12.0:1 (varies slightly by sub-model/market) Ignition System: Electronic ignition (CDI) Lubrication: Automatic oil injection system Performance Horsepower: Approx. 15 hp (limited for A1 license holders), higher output versions available depending on market and restrictions (e.g., 28-34 hp). Torque: Approx. 11 Nm @ 9,000 rpm (for restricted version) Fuel System Carburetor: Dell'Orto VHSH 30 (30mm) or similar (specific model may vary by market) Fuel Type: Unleaded gasoline (minimum 95 RON recommended) Fuel Tank Capacity: 7.5 Liters (including approximately 1.5L reserve) 🔧 Transmission Standard Transmission Type: 6-speed constant mesh manual transmission Features Clutch: Wet, multi-plate clutch Final Drive: O-ring sealed chain 📐 Dimensions Exterior Length: Approx. 1960 mm Width: Approx. 740 mm (at handlebars) Height: Approx. 1135 mm (at seat) Weights Dry Weight: Approx. 120 kg Wet Weight: Approx. 133 kg (fully fueled and ready to ride) Max Load Capacity: Approx. 180 kg (rider and passenger combined) 🛡️ Safety Features Ratings Safety Standard: Standard motorcycle safety features for its class. Active Features Braking System Front: Hydraulic disc brake, twin-piston caliper, 320mm disc (approx.) Braking System Rear: Hydraulic disc brake, single-piston caliper, 220mm disc (approx.) Passive Features Lighting: Halogen headlight, LED tail light (typical for the era) Tires Front: 110/70-17 Tires Rear: 140/70-17 💡 Technology Features Infotainment Infotainment System: N/A (basic analogue instrumentation) Instrumentation Dashboard Type: Analogue speedometer, tachometer, coolant temperature gauge, odometer, trip meter, and indicator lights. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000 - 5,000 km or annually, depending on usage (refer to manual for precise recommendation). Spark Plug Replacement: Every 6,000 - 10,000 km, or as specified in...