🏷️ Basic Information Identification Make: Aprilia Model: RS125 Year: 2006 Product Type: Factory Service Repair Manual Generation Generation Designation: Referenced as 2006 model year Codes Engine Code: Rotax 123 (common variant for this era) 👋 Introduction Market Position Target Audience: DIY motorcycle owners, home mechanics, and professional service technicians seeking complete repair and maintenance information for the 2006 Aprilia RS125. Competitive Analysis Manual Competitiveness: This factory service manual is the definitive resource, often superior to aftermarket manuals in terms of accuracy, completeness, and detail provided by the manufacturer's engineers. Key Features Instant Access: Instant download availability, eliminating shipping delays and providing immediate access to critical repair information. Completeness: Described as 'COMPLETE FACTORY SERVICE MANUAL', indicating it contains all sections typically found in official workshop manuals. 📋 Manual Details Coverage Areas Systems Covered: • Foreword • General information • Routine maintenance • Lubrication • Fuel system • Cooling system • Engine • Chassis • Electrical system Page Count Estimated Page Count: Not explicitly stated, but comprehensive factory manuals are typically 300-600 pages. Manual Type Manual Type: Factory Service Repair Manual Language Language: English Format File Format: PDF/ZIP 📖 Manual Coverage Systems Covered Engine System: Detailed coverage of engine disassembly, assembly, diagnosis, and repair for the Rotax 123 engine, including cylinder, piston, crankshaft, connecting rod, and power valve systems. Fuel System: In-depth information on the carburetor (likely Dell'Orto PHBH or similar), fuel pump, fuel lines, and fuel tank maintenance and troubleshooting. Cooling System: Covers radiator, coolant hoses, thermostat, water pump, and coolant specifications for the liquid-cooled engine. Lubrication System: Details on oil mixture ratios (for 2-stroke pre-mix or separate oil injection systems), oil pump (if applicable), and lubrication points. Chassis System: Includes front and rear suspension (forks and shock absorber), steering system, wheel bearings, swingarm, and frame inspection and repair. Electrical System: Comprehensive diagrams and troubleshooting for ignition system, lighting, battery, charging system, starter motor, and wiring harness. Procedures Included Routine Maintenance: Scheduled maintenance tasks such as spark plug replacement, air filter cleaning/replacement, chain adjustment, brake fluid checks, and general inspection. Engine Repair: Step-by-step guides for engine rebuilds, piston ring replacement, cylinder head service, and power valve system maintenance. Suspension Service: Instructions for fork seal replacement, fork oil changes, and rear shock absorber servicing or replacement. Brake System Service: Procedures for brake caliper overhaul, brake pad replacement, brake fluid flushing and bleeding, and master cylinder service. Troubleshooting: Diagnostic trees and common issue resolution for various systems (e.g., engine not starting, poor performance, electrical faults). Technical Depth Depth Of Coverage: Factory-level detail covering from basic owner maintenance to advanced engine rebuilds and complex electrical diagnostics. Suitable for both DIY enthusiasts and professional mechanics. 📊 Manual Specifications File Format Compatibility: WIN/MAC/LINUX Archiving Software: Requires unzipper such as WinRAR or equivalent. Print Quality Digital Format: Digital PDF format, offering high resolution for clear diagrams and text. Binding Type Binding: Digital (no physical binding). Paper Type Paper Type: Digital (not applicable). ⚙️ Engine Specifications Primary Engine Engine Type: Single-cylinder, 2-stroke, liquid-cooled (Rotax 123 is a common designation for this period and engine type). Displacement: 125cc Bore X Stroke: Typically 54mm x 54.5mm for Rotax 123 Power Valve System: Likely features an exhaust power valve system (e.g., Aprilia 'Aposc' or similar) for improved torque and power delivery across the rev range. Performance Horsepower: OEM figures typically ranged around 30-34 hp, depending on market restrictions. Torque: Specific torque figures are detailed within the manual, crucial for engine tuning. Fuel System Carburetor: Likely Dell'Orto PHBH 28 or similar, with detailed jetting and adjustment procedures. Fuel Type: Unleaded gasoline, with specific octane rating recommendations in the manual. Two Stroke Oil: Pre-mix or separate oil injection system, requiring specific high-quality 2-stroke oil as per Aprilia specifications. 🔧 Transmission Standard Transmission Type: 6-speed constant mesh gearbox. Features Clutch Type: Wet multi-plate clutch, with service and adjustment procedures. Gear Ratios: Specific gear ratios for each of the 6 speeds will be detailed in the manual, critical for performance tuning. Final Drive: Chain drive, with maintenance schedules for lubrication and tension adjustment. Fluid Specifications Gearbox Oil: Manual will specify the type and capacity of gearbox oil. 📐 Dimensions Exterior Dimensions Overall: Specific dimensions (length, width, height, wheelbase) are provided in the manual for reference and setup. Weights Dry Weight: Typically around 130-140 kg, manual will provide exact figure. 🛡️ Safety Features Active Features Brakes: Hydraulic disc brakes front and rear. Manual will detail caliper specifications, piston sizes, and rotor thickness. Suspension: Adjustable front forks and rear monoshock suspension, with damping and preload adjustments detailed. Passive Features Frame Construction: Typically a twin-spar aluminum frame for rigidity and light weight, manual will cover frame inspection. 💡 Technology Features Infotainment Instrument Cluster: Features an analog tachometer and speedometer, along with warning lights for oil, neutral, indicators, and high beam. Specific diagnostic codes may be covered. Driver Assistance...