🏷️ Basic Information Identification Make: Aprilia Model: RS 125 Production Years: 1993-2002 Codes Chassis Codes: AP06, AP061 (Rotax 122 engine variations) Generation Generation Designation: First Generation (Rotax 122 engine) 👋 Introduction Market Position Segment: Sportbike, Lightweight Supersport Target Audience: Enthusiasts and owners seeking detailed technical information for maintenance, repair, and performance tuning. Competitive Analysis Competitors: Yamaha YZF-R125, Cagiva Mito 125, Suzuki GSX-R125 (though models vary by year and region). Key Features Performance Focus: The RS125 is renowned for its aggressive styling and perky two-stroke performance, making it a popular choice for track days and spirited riding. Value Proposition Manual Utility: Provides dealership-level technical expertise, enabling owners to perform complex maintenance and repairs, saving on labor costs. 📋 Manual Details Coverage Areas Model Years Covered: 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002 Page Count Total Pages: 290 Manual Type Type: Service Repair Manual Language Language: English (Assumed, typical for service manuals) Format Format: PDF 📖 Manual Coverage Systems Covered Engine: Complete engine service, including disassembly, inspection, assembly, tuning, and component troubleshooting. Fuel System: Carburetor (e.g., Dell'Orto PHBH 28/30 variants), fuel lines, fuel tank, fuel pump (if applicable). Cooling System: Radiator, water pump, hoses, thermostat, coolant types and capacities. Lubrication: Oil pump, two-stroke oil injection system, oil types, and lubrication points. Chassis: Frame, suspension (front forks, rear shock absorber), steering, wheels, brakes (front and rear), and swingarm. Electrical System: Ignition system, lighting, battery, charging system (stator, CDI), wiring diagrams, switches, and indicators. Procedures Included Maintenance: Routine checks, oil changes, filter replacements, spark plug service, chain adjustment, brake adjustments. Diagnostics: Troubleshooting common problems, fault finding for engine, electrical, and chassis issues. Repair: Step-by-step instructions for component disassembly, repair, reassembly, and adjustment. Technical Depth Depth: Comprehensive from basic maintenance to advanced engine rebuilds and electrical system diagnostics. Suitable for professional technicians and experienced DIY mechanics. 📊 Manual Specifications File Format Readability: Searchable text and bookmark functionality for easy navigation. Compatibility: Requires a PDF reader (e.g., Adobe Acrobat Reader) and potentially a file unzipping utility (e.g., 7-Zip). Print Quality Printability: Designed to be printable for hands-on workshop use. Binding Type Binding Type: Digital (PDF) - Not applicable for physical binding. Paper Type Paper Type: Digital (PDF) - Not applicable for physical paper type. ⚙️ Engine Specifications Primary Engine Type: Two-stroke, liquid-cooled, single-cylinder Displacement: 124.8 cc (approximately) Bore X Stroke: 54 mm x 54.5 mm (typical for Rotax 122) Power Output: Approximately 30-34 HP (depending on specific model and market restrictions), with a peaky powerband. Torque: Approximately 20-22 Nm Compression Ratio: 12.5:1 (typical) Ignition: Electronic CDI (Capacitor Discharge Ignition) with variable timing. Starting System: Kick starter Performance Redline: Around 10,500 - 11,000 RPM Fuel System Carburetor Model: Dell'Orto PHBH 28/30 BD/BS or similar Fuel Type: Unleaded gasoline (95 RON recommended) Oil Injection: Automatic two-stroke oil injection system Oil Type: High-quality JASO FD or API TC rated two-stroke synthetic oil 🔧 Transmission Standard Type: 6-speed constant mesh gearbox Clutch: Wet multi-plate clutch Final Drive: Chain drive (typically 520 pitch) Features Gear Ratios: Specific ratios are detailed within the manual for optimal performance tuning. 📐 Dimensions Exterior Length: Approx. 1950 mm Width: Approx. 710 mm Height: Approx. 1135 mm Weights Dry Weight: Approx. 131 kg Fuel Capacity: 12 Liters (approx.) Oil Tank Capacity: 1.5 Liters (approx.) 🛡️ Safety Features Ratings Safety Standards: Meets European (Euro 1) emissions standards of its era; specific safety ratings not typically published for motorcycles of this class. Active Features Brakes: Front: Hydraulic disc brake, often dual piston caliper; Rear: Hydraulic disc brake, single piston caliper. Specific rotor diameters and caliper models detailed in manual. Passive Features Frame Construction: Aluminum alloy perimeter frame for rigidity and lightweight. Lighting: Headlight, taillight, brake lights, turn signals. 💡 Technology Features Infotainment Dashboard: Analog tachometer, speedometer, odometer, trip meter, and indicator lights (e.g., neutral, turn signals, oil warning). Driver Assistance Assistance Systems: None (typical for motorcycles of this era). Connectivity Connectivity Features: None. 🔧 Maintenance Service Intervals Oil Change: Two-stroke oil injection system requires maintaining oil reservoir level; engine oil changes are not applicable in the traditional sense, but gearbox oil should be changed periodically (refer to manual for specific intervals). Spark Plug Service: Recommended every 3,000 - 5,000 km, or as per manual; specific plug types (e.g., NGK BR9EG) are critical. Chain Maintenance: Lubrication and tension adjustment every 500-1000 km, depending on riding conditions. Fluid Specifications Coolant: Ethylene glycol based antifreeze/coolant, typically a 50/50 mix with distilled water. Capacity around 1.0-1.2 liters. Gearbox Oil: SAE 10W/40 API GL-4 or GL-5 transmission oil. Capacity approximately 0.75 - 0.85 liters. Known Issues Power Valve: The exhaust power valve mechanism can become sticky or seize due to carbon buildup, affecting engine performance. Regular cleaning is essential. Cylinder Wear: Due to the high-strung nature of the two-stroke engine, cylinder and piston wear can be accelerated if not properly...