🏷️ Basic Information Identification Make: Aprilia Model: Engine (Rotax 122) Codes Engine Code: Rotax 122 👋 Introduction Market Position Market Position: This manual targets Aprilia motorcycle owners, mechanics, and enthusiasts who need detailed technical information for servicing and repairing the Rotax 122 engine, a common powerplant in performance-oriented Aprilia models. Competitive Analysis Competitive Analysis: Offers a direct, factory-level resource for the Rotax 122, providing a comprehensive alternative to generic repair guides or less detailed third-party manuals. Its specificity ensures accurate procedures and specifications for optimal engine performance and longevity. Key Features Key Features: Includes troubleshooting guidance, maintenance schedules, and downloadable wiring diagrams, offering a complete package for engine care and repair. 📋 Manual Details Coverage Areas Coverage Description: Comprehensive service, repair, and troubleshooting for the Aprilia Rotax 122 engine, including maintenance schedules and wiring diagrams. Page Count Page Count: Not specified in product information Manual Type Manual Type: Factory Service Repair Manual / Workshop Manual / Troubleshooting Manual / Maintenance Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Systems Covered: Engine mechanical, engine electrical, fuel system, ignition system, cooling system, lubrication system, exhaust system, troubleshooting, maintenance, specifications, wiring diagrams. Procedures Included Procedures Included: Routine maintenance, scheduled servicing, component removal and installation, engine disassembly and reassembly, troubleshooting guides, diagnostic procedures, carburetor adjustment, ignition timing, valve clearance adjustment, lubrication service, cooling system flush and fill, exhaust system repair. Technical Depth Technical Depth: In-depth, covering all aspects from basic maintenance to complex internal engine repairs and diagnostics. 📊 Manual Specifications File Format File Format: PDF Print Quality Print Quality: Digital PDF, designed for screen viewing and printing. Quality of print depends on user's printer. Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, two-stroke, single-cylinder Bore X Stroke: 54 mm x 54.5 mm (Typical for Rotax 122, confirmation via manual recommended) Displacement: 124.8 cc (Typical for Rotax 122, confirmation via manual recommended) Compression Ratio: Specific to model variant, covered in manual Power Output: Varies by application, typically 20-35 HP (confirmation via manual recommended) Performance Engine Rpm Redline: Specific to model variant, covered in manual Fuel System Fuel Delivery: Carburetor (e.g., Dell'Orto PHBH, Mikuni VM, depending on Aprilia model) Carburetor Size: Specific to model variant, covered in manual Fuel Type: Unleaded gasoline (Octane rating specified in manual) 🔧 Transmission Standard Transmission Type: 6-speed constant mesh, sequential manual Clutch Type: Wet, multi-plate Features Gear Ratios: Specific to Aprilia model, detailed in manual 📐 Dimensions Weights Engine Weight: Not specified in product information, but generally compact and lightweight for its class. 🛡️ Safety Features Active Features Safety Notes: Proper engine maintenance and adherence to service intervals are critical for safe operation. Manual provides guidance on checks and adjustments. 💡 Technology Features Infotainment Infotainment Features: N/A (This manual covers the engine, not the motorcycle's infotainment system). Driver Assistance Driver Assistance Features: N/A (This manual covers the engine, not rider assistance systems). 🔧 Maintenance Service Intervals Service Intervals: Detailed schedules for oil changes, spark plug replacement, air filter cleaning/replacement, top-end rebuilds, and other maintenance tasks are provided within the manual, specific to model usage. Fluid Specifications Engine Oil Type: Specific API grade and viscosity (e.g., Motul 2T, Castrol TTS) as recommended in the manual. Coolant Type: Ethylene glycol-based coolant with anti-corrosion additives, specific mixture ratio (e.g., 50/50) and capacity specified in manual. Transmission Oil Type: Specific gear oil viscosity and API classification (e.g., SAE 80W/90) and capacity detailed in manual. Known Issues Known Issues Common: While the manual addresses all maintenance, common areas for the Rotax 122 can include wear on the power valve system, carburetor jetting sensitivity, and the need for regular top-end rebuilds based on mileage and usage. The manual provides solutions. 📚 Vehicle History Brand Heritage Brand Heritage: Aprilia is an Italian manufacturer renowned for its performance motorcycles, often utilizing high-revving, potent engines like the Rotax 122. Model Evolution Model Evolution: The Rotax 122 has been a cornerstone engine for many Aprilia models, particularly in the 125cc performance segment, powering bikes like the RS 125 and Tuono 125 across various years and configurations. 🏆 Awards & Recognition Recognitions Recognitions: N/A (The Rotax 122 engine itself is an engineered component, not typically associated with external awards. Its recognition comes from its performance and reliability in Aprilia racing and street bikes).