🏷️ Basic Information Identification Make: Aprilia Model: 125cc Rotax 122 Engine Sub Model: Various Aprilia models utilizing the Rotax 122 engine Engine Code: Rotax 122 Generation Applicable Years: 1996-1999 👋 Introduction Market Position Target User: DIY mechanics, professional workshops, and Aprilia enthusiasts seeking detailed technical guidance. Value Proposition: Provides the same level of technical detail as professional workshop manuals, enabling users to perform comprehensive repairs and maintenance. Competitive Analysis Advantage: Instant download availability allows immediate access to repair information, minimizing downtime. Key Features Completeness: All Repairs Covered A-Z, All Models Covered (within the specified engine/year range). Quality Of Information: Professional quality, detailed explanations, and high-quality visuals. 📋 Manual Details Coverage Areas General Coverage: Comprehensive service, repair, and maintenance for Aprilia models equipped with the Rotax 122 engine. Specific Systems: Engine, clutch, transmission, cooling, fuel, exhaust, ignition, electrical, brakes, wheels, tires, steering, suspension, frame, bodywork, and troubleshooting. Page Count Estimated Pages: Detailed page count not specified, but described as 'Full & Complete'. Manual Type Type: Service Repair Workshop Manual Language Language: English (assumed, based on product description) Format Format: PDF 📖 Manual Coverage Systems Covered Engine: Complete engine overhaul, including disassembly, inspection, reassembly, and tuning of the Rotax 122 two-stroke engine. Clutch: Service and repair procedures for the clutch assembly, including adjustment, replacement, and troubleshooting. Transmission: Detailed instructions for gearbox inspection, maintenance, and repair, including gear selection and shifting mechanisms. Cooling System: Maintenance and repair of the liquid cooling system, including radiator, water pump, thermostat, and coolant specifications. Fuel System: Carburetor adjustment, cleaning, and rebuilding (likely Dell'Orto or similar), fuel pump, fuel lines, and fuel tank maintenance. Exhaust System: Inspection and potential maintenance of the exhaust system, including exhaust port cleaning and expansion chamber considerations for two-stroke engines. Ignition System: Diagnosis and repair of the ignition system, including CDI unit, ignition coils, spark plugs, and timing. Electrical System: Wiring diagrams, component testing, troubleshooting of lights, battery, charging system (stator/alternator), and starter if applicable. Brakes: Service and repair of front and rear brake systems (likely disc brakes), including fluid changes, pad replacement, caliper maintenance, and bleeding procedures. Wheels Tires: Wheel bearing maintenance, tire pressure, tire replacement, and wheel balancing procedures. Steering Suspension: Fork seal replacement, oil changes, steering bearing adjustment, shock absorber maintenance, and linkage lubrication. Frame Bodywork: Frame inspection, fairing repair and removal, seat maintenance, and general chassis component checks. Procedures Included Maintenance: Scheduled maintenance tasks, oil changes, filter replacements, chain adjustment, spark plug replacement, and general inspections. Troubleshooting: Systematic fault finding and diagnostic procedures for common and uncommon issues, including diagnostic charts. Repair Rebuild: Detailed step-by-step instructions for complete engine rebuilds, transmission overhauls, and component replacements. Adjustments: Calibration and adjustment of carburetor, clutch, brakes, and suspension. Technical Depth Depth: Professional grade, covering everything from basic servicing to complete engine rebuilds and advanced diagnostics. Diagnostic Capabilities: Extensive fault finding sections with clear diagnostic pathways and potential causes. Visual Aids: Includes 'Lots of High Quality Pictures & Diagrams' to aid understanding. 📊 Manual Specifications File Format Type: PDF Compatibility: All Operating Systems (Windows 95 to 8+, MAC Compatible) Print Quality Quality: Professional Quality Information Readability: Easy To Read Format Binding Type Type: Digital Download (N/A for print) Paper Type Type: Digital (N/A for print) ⚙️ Engine Specifications Primary Engine Engine Type: Two-stroke, single-cylinder Engine Manufacturer: Rotax Engine Model: 122 Displacement: 124.8 cc Bore X Stroke: 56 mm x 50.6 mm (typical for Rotax 122) Compression Ratio: Typically around 12.5:1 (subject to specific model variations) Cooling System: Liquid-cooled Performance Horsepower Output: Varies by model and state of tune; typically in the range of 25-34 HP for this era of 125cc performance bikes. Torque Output: Varies by model and state of tune. Fuel System Carburetor Type: Likely Dell'Orto PHBH, PHVA, or similar (specific model dependent). Fuel Delivery: Carburetor with gravity feed or mechanical fuel pump (depending on Aprilia model). Ignition Ignition System Type: CDI (Capacitor Discharge Ignition) Spark Plug Type: Typical NGK BR9ES or similar (manual will specify exact part number). 🔧 Transmission Standard Transmission Type: 6-speed constant mesh sequential gearbox. Optional Gearbox Options: N/A (standard configuration for this engine) Features Clutch Type: Wet multi-plate clutch, operated by cable. Gear Ratios: Specific gear ratios are model-dependent and will be detailed within the manual. 📐 Dimensions Exterior Vehicle Dimensions: Varies significantly by Aprilia model (e.g., RS 125, Tuareg 125). The manual covers the engine, not the entire vehicle chassis dimensions directly. Weights Dry Weight: Varies by model; typically around 120-140 kg for Aprilia 125cc models of this era. 🛡️ Safety Features Ratings Crash Test Data: Not applicable to this service manual, which focuses on mechanical and electrical systems. Active Features Braking System: Hydraulic disc brakes front and rear, with specific caliper and master cylinder information covered in the manual. Passive Features Frame Construction: Details on frame inspection and potential repair procedures are included. 💡 Technology...