🏷️ Basic Information Identification Make: Aprilia Model: RS125 Generation: First Generation (Rotax 122) Production Years Covered: 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002 Codes Engine Code Group: Rotax 122 Series 👋 Introduction Market Position Target Audience: Aprilia RS125 owners and enthusiasts seeking to perform maintenance, diagnostics, and repairs themselves, or to better understand their motorcycle and communicate with mechanics. Competitive Analysis Authenticity: Actual genuine factory service manual, not a third-party publication. Key Features Benefits: Enables significant cost savings on labor ($50-$60 per hour), empowers owners with factory-level knowledge, provides detailed illustrations and diagrams, includes troubleshooting guides and wiring diagrams, allows for selective printing of pages. 📋 Manual Details Coverage Areas Primary Coverage: Complete factory service and repair for Aprilia RS125 models 1993-2002 Page Count Estimated Page Count: Hundreds of pages (specific count not provided, but described as 'complete' and 'comprehensive') Manual Type Type: Factory Service Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Mechanical Systems: General Information, Fuel System, Cooling System, Engine Top End, Clutch, Engine Lubrication System, Crankshaft/Transmission, Wheels/Tires, Final Drive, Brakes, Suspension, Steering, Frame Electrical Systems: Electrical System, Wiring Diagrams, Engine Management Systems Procedures Included Diagnostic Procedures: Engine fault symptom diagnosis, troubleshooting, component testing ('secret techniques') Repair Procedures: Step-by-step repair guidance, routine maintenance, rebuilding, refurbishment, restoration Maintenance Procedures: General maintenance, fluid checks and changes, component inspection Technical Depth Depth: Comprehensive; covers everything from basic maintenance to advanced diagnostics and full rebuilds, mirroring factory technician knowledge. 📊 Manual Specifications File Format Digital Format: PDF Print Quality Printability: Printable without restriction; individual pages or entire manual Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) Delivery Method Delivery: Instant download link provided after payment completion. Software Requirements Reader: Adobe PDF Reader ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, 2-stroke, single-cylinder (Rotax 122 series) Displacement: 124.8 cc (approx.) Bore X Stroke: 54 mm x 54.5 mm (typical for Rotax 122) Carburetion: Typically Dell'Orto PHBH 28/30 (specific models may vary) Performance Horsepower Range: Approximately 30-34 hp (depending on specific year and market restrictions) Torque Range: Approximately 20-22 Nm (depending on specific year and market restrictions) Fuel System Fuel Delivery: Carburetor (Dell'Orto standard) Fuel Type: Unleaded gasoline (RON 95 or higher recommended) Oil Mixing: Automatic oil injection system 🔧 Transmission Standard Type: 6-speed constant mesh sequential gearbox Optional Transmission Variants: N/A (Standard 6-speed gearbox across models) Features Clutch Type: Wet multi-plate clutch, cable-operated Final Drive: Chain drive 📐 Dimensions Exterior Wheelbase: Approx. 1375 mm (varies slightly by year) Seat Height: Approx. 800 mm (varies slightly by year) Weights Dry Weight: Approx. 130-140 kg (varies by year and equipment) Fuel Tank Capacity: Approx. 13 liters 🛡️ Safety Features Ratings Safety Standards: Meets contemporary European motorcycle safety standards; specific crash ratings not applicable in typical motorcycle context. Active Features Braking System: Dual disc front brakes (e.g., 2-piston caliper, 320mm disc), single disc rear brake (e.g., 1-piston caliper, 240mm disc). ABS was generally not an option during this period for this model. Lighting: Halogen headlight, LED or incandescent taillight and indicators. Passive Features Frame Construction: Aluminum twin-spar frame for rigidity and light weight. 💡 Technology Features Infotainment Dashboard: Analog tachometer, speedometer, odometer, trip meter, temperature gauge, indicator lights (neutral, turn signals, high beam, oil level). Driver Assistance ABS: Not typically equipped on models from this era. Connectivity Connectivity Features: N/A (Basic mechanical and electrical systems). 🔧 Maintenance Service Intervals Oil Change Interval: Refer to manual for specific gearbox oil and 2-stroke oil injection reservoir; engine oil is mixed with fuel. Gearbox oil typically every 6,000-10,000 km. Spark Plug Replacement: Typically every 3,000-6,000 km, depending on plug type and usage. Air Filter Cleaning: Regular inspection and cleaning/replacement based on operating conditions (e.g., every 3,000-5,000 km). Fluid Specifications Engine Oil Type: High-quality 2-stroke synthetic oil specifically designed for high-performance engines (e.g., Motul 7100 2T, Castrol TTS). Follow manual's specific grade. Gearbox Oil Type: API GL-4 or GL-5, SAE 75W/90 or 80W/90 transmission oil. Check manual for exact viscosity and API rating. Coolant Type: Ethylene glycol based antifreeze/coolant with corrosion inhibitors. Mix ratio 50/50 with distilled water. Brake Fluid Type: DOT 4 brake fluid (high-performance synthetic). Known Issues Common Problems: Power valve sticking or malfunction (carbon buildup), carburetor jetting sensitivity to altitude/temperature, electrical connector corrosion, clutch cable wear, crankshaft seal leaks, overheating if cooling system is not meticulously maintained. Typical Wear Items: Brake pads, tires, chain and sprockets, spark plug, piston rings, clutch plates. 📚 Vehicle History Brand Heritage Manufacturer: Aprilia is an Italian manufacturer known for its sport-oriented motorcycles, particularly in the smaller displacement categories. Model Evolution Development Context: The RS125 was Aprilia's flagship 125cc sportbike, designed to offer a MotoGP-inspired experience with high performance for its class, often serving as a stepping stone for young riders and racers. Production Manufacturing Origin: Italy Key...