🏷️ Basic Information Identification Make: Aprilia Model: RS125 Engine Code: Rotax 122 Applicable Years: 1999, 2000, 2001, 2002, 2003 Codes Product Sku: APRILIA_RS125_ROT122_1999_2003_WSM 👋 Introduction Market Position Target Audience: DIY motorcycle enthusiasts, independent repair shops, and owners seeking to understand or maintain their Aprilia RS125. Competitive Analysis Value Proposition: Provides essential technical information to perform maintenance and repairs, saving significant costs compared to dealership labor. Key Features Ease Of Use: Features step-by-step instructions and pictures to simplify complex procedures. Durability Of Access: Permanent access to the manual once downloaded, allowing for ongoing reference. Accessibility: Cross-platform compatibility and mobile device support enhance usability in the workshop. 📋 Manual Details Coverage Areas Overall Coverage: Complete Service and Repair Procedures (A-Z) Page Count Estimated Pages: Varies based on specific model year and engine configuration, but comprehensive coverage implies several hundred pages. Manual Type Type: Workshop Service Repair Manual Language Language: English Format Delivery Format: Downloadable Digital File (PDF) Compatibility: All PC & MAC Computers, Tablets, Smartphones Required Software: Adobe Reader (Free) 📖 Manual Coverage Systems Covered Engine: Full engine disassembly, assembly, tuning, diagnosis, and repair for Rotax 122 engine. Transmission: Clutch, gearbox, shift mechanism inspection, adjustment, and repair. Fuel System: Carburetor (likely Dell'Orto PHBH/VHS) overhaul, jetting, and adjustment; fuel pump and lines. Cooling System: Radiator, hoses, water pump, thermostat maintenance and repair. Exhaust System: Expansion chamber and silencer maintenance, including de-coking procedures. Electrical System: Ignition system (CDI, coil, spark plug), lighting, charging system (stator, regulator/rectifier), battery, starter motor, and wiring diagrams. Chassis: Frame inspection, suspension (forks, rear shock), steering head bearings, and wheel bearings. Brakes: Front and rear brake systems (calipers, master cylinders, discs, pads, fluid bleeding). Wheels Tires: Wheel removal/installation, tire mounting/balancing, and recommended tire pressures. Bodywork Fairings: Fairing removal/installation, maintenance of body panels. Procedures Included Maintenance: Regular servicing, oil changes, filter replacements, chain adjustment, brake checks. Troubleshooting: Diagnostic charts and procedures for common running issues, starting problems, and component failures. Repair: Detailed step-by-step instructions for component repair and replacement. Rebuild: Complete engine rebuild procedures, including piston, cylinder, crankshaft, and bearing replacement. Adjustment: Carburetor tuning, ignition timing (if adjustable), clutch and throttle cable adjustments. Specifications: Torque values for all fasteners, clearances, fluid capacities, electrical resistance values. Technical Depth Depth: Comprehensive; covers everything from basic pre-ride checks to full engine rebuilds and electrical system diagnostics. 📊 Manual Specifications File Format Quality: High-quality digital format, suitable for printing individual pages or chapters. Searchability: Likely text-searchable if created from a digital source, facilitating quick information retrieval. Print Quality Printability: Designed for home printing, allowing users to print specific sections or the entire manual. Binding Type Binding Implied: Digital download; no physical binding. User can print and bind as desired. Paper Type Paper Type Implied: User choice upon printing. Professional manuals are often printed on durable, semi-gloss paper. ⚙️ Engine Specifications Primary Engine Engine Type: Single-cylinder, two-stroke Engine Displacement: 124.8 cc Bore X Stroke: 54 mm x 54.5 mm Compression Ratio: Approx. 12.4:1 (Varies slightly by specific model year and region) Cooling System: Liquid-cooled Intake System: Reed valve induction with a single Dell'Orto carburetor (e.g., PHBH 28 or VHS 28). Ignition System: Electronic CDI ignition Lubrication: Pre-mix or Automatic oil injection (depending on specific model/market). Performance Horsepower: Approx. 30-34 hp at 11,000 rpm (for unrestricted models, restricted versions lower). Torque: Approx. 1.9-2.0 kgf-m (13.7-14.5 lb-ft) at 10,500 rpm. Fuel System Carburetor Type: Dell'Orto PHBH 28 (common, but may vary) Fuel Octane Rating: 95 RON (Unleaded Super) 🔧 Transmission Standard Transmission Type: 6-speed sequential manual gearbox Optional Optional Transmission: N/A (Standard 6-speed manual) Features Clutch Type: Wet multi-plate clutch 📐 Dimensions Exterior Length: Approx. 1950 mm (Varies by specific fairing design) Width: Approx. 700 mm (Varies) Height: Approx. 1100 mm (Seat height approx. 810 mm) Weights Dry Weight: Approx. 131 kg (Varies slightly) Wet Weight: Approx. 147 kg (with all fluids) Fuel Capacity: Approx. 10.5 liters (including 1.5 liter reserve) 🛡️ Safety Features Ratings Safety Ratings: N/A (Motorcycle safety is typically described by component performance and rider skill, not crash test ratings as with cars). Active Features Braking System: Hydraulic disc brakes front and rear (e.g., Brembo or Grimeca components common). Front Brake: Single 320 mm disc with 4-piston caliper (may vary). Rear Brake: Single 220 mm disc with 2-piston caliper (may vary). Passive Features Lighting: Halogen headlight, taillight, turn signals. Chassis Design: Steel twin-spar frame for rigidity. 💡 Technology Features Infotainment Instrument Cluster: Analog tachometer, speedometer, coolant temperature gauge, odometer, trip meter, and warning lights. Driver Assistance ABS: ABS was generally not standard or widely available on the RS125 during these model years, though some later versions or specific markets might have offered it as an option. Connectivity Connectivity Features: N/A (No modern connectivity features like Bluetooth or GPS) 🔧 Maintenance Service Intervals Oil Change Interval: Refer to manual; typically every few thousand kilometers for transmission...