🏷️ Basic Information Identification Make: Aprilia Model: RS125 Year: 2006 Codes Vin Prefix: ZDA 👋 Introduction Market Position Segment: Lightweight sport motorcycle segment, popular for track days and spirited street riding. Target Audience: Enthusiasts, DIY mechanics, and professional workshops servicing the Aprilia RS125. Competitive Analysis Competitors: Other 125cc two-stroke sportbikes of the era, such as the Yamaha YZF-R125, Honda CBR125R (though the RS125 is two-stroke vs their four-stroke). Key Features Performance Focus: Known for its potent two-stroke engine and sharp handling, offering a performance benchmark in its class. Manual Advantage: Provides essential, manufacturer-level repair information to maintain and optimize this performance-oriented machine. 📋 Manual Details Coverage Areas General Coverage: All Models & Repairs A-Z Mechanical Coverage: Comprehensive mechanical repairs Electrical Coverage: Complete electrical system diagnostics and repair Page Count Estimated Pages: Extensive (Specific count not provided, but described as 'Tons') Manual Type Type: Workshop Service Repair Manual Language Language: English (Assumed based on typical product descriptions) Format Format: Digital (Printable) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, disassembly, tuning, lubrication, cooling, and performance enhancement. Fuel System: Carburetor systems (Dell'Orto PHBH 28 AS/BS and VM20-153 variants), fuel pump, fuel lines, and fuel tank. Ignition System: Electronic ignition system (CDI), spark plug selection and maintenance, ignition timing. Exhaust System: Exhaust pipe, silencer, and expansion chamber maintenance and repair. Transmission Clutch: Clutch operation, adjustment, and replacement; gearbox inspection, disassembly, and reassembly. Chassis Frame: Frame inspection, alignment, and repair; subframe mounting. Suspension Front: Front fork assembly, disassembly, oil change, seal replacement, and damping adjustments. Suspension Rear: Rear shock absorber, swingarm, and linkage system maintenance and overhaul. Brakes Front: Front brake caliper, master cylinder, brake lines, brake disc, and pad replacement. Brakes Rear: Rear brake caliper, master cylinder, brake lines, brake disc, and pad replacement. Wheels Tires: Wheel bearing maintenance, tire selection, mounting, and balancing. Electrical Lighting: Headlight, taillight, turn signals, and instrument cluster lighting troubleshooting. Electrical Charging: Stator, rectifier/regulator, and battery system diagnostics. Electrical Starting: Starter motor and related circuitry troubleshooting. Bodywork Fairings: Fairing removal, installation, and minor repair. Procedures Included Routine Maintenance: Oil changes, filter replacements, chain adjustment, spark plug checks, and general inspections. Troubleshooting: System-specific diagnostic procedures for common and complex issues. Engine Rebuild: Complete engine overhaul procedures, including piston, cylinder, crankshaft, and sealing ring replacement. Transmission Overhaul: Gearbox disassembly, inspection of gears and shift drum, and reassembly. Suspension Rebuild: Front fork seal and oil replacement, rear shock absorber servicing. Brake System Service: Brake bleeding, caliper overhaul, and pad replacement. Carburetor Tuning: Jetting adjustments, idle speed setting, and float level calibration. Electrical Wiring: Wiring diagrams, component testing, and fault finding in electrical circuits. Wheel Alignment: Steering head bearing adjustment and rear wheel alignment. Technical Depth Depth: Comprehensive (A-Z), suitable for both amateur and professional technicians. Illustrations: Includes 'Tons of detailed pictures & diagrams' Diagnostics: Detailed diagnostic trees and troubleshooting guides for mechanical and electrical faults. Specifications: Provides critical technical data for all repair procedures. 📊 Manual Specifications File Format Digital Format: Likely PDF, optimized for printing. Print Quality Printability: All pages are printable. Binding Type Binding: N/A (Digital Format) Paper Type Paper Quality: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: Two-stroke, single-cylinder, liquid-cooled Displacement: 124.8 cc (7.62 cu in) Bore X Stroke: 54 mm x 54.5 mm (2.13 in x 2.15 in) Compression Ratio: Approximately 8.1:1 (for Rotax 122) Power Output: Around 30-34 hp (15 kW restricted for learner use in some markets, higher for full power) Torque: Approximately 23 Nm (17 lb-ft) at 8,000 rpm Valvetrain: Rotax Power Valve (RPV) system Fuel System Carburetor: Dell'Orto PHBH 28 AS (common variant for unrestricted models) Fuel Delivery: Premixed fuel and oil or separate oil injection system (depending on market/variant) Fuel Type: Unleaded gasoline, minimum 95 octane recommended Lubrication Oil Type: High-quality two-stroke engine oil (specific grades like SAE 10W-40 for gearbox oil) 🔧 Transmission Standard Gearbox: 6-speed constant mesh sequential gearbox Features Clutch Type: Wet multi-plate clutch Final Drive: Chain drive 📐 Dimensions Exterior Length: Approx. 1950 mm (76.8 in) Width: Approx. 720 mm (28.3 in) Height: Approx. 1135 mm (44.7 in) Seat Height: Approx. 810 mm (31.9 in) Weights Dry Weight: Approx. 135 kg (297.6 lbs) Fuel Capacity: 12 Liters (3.17 US gal) 🛡️ Safety Features Ratings Safety Ratings: N/A (Motorcycle safety ratings are typically not standardized like automotive). Active Features Braking System: Hydraulic disc brakes front and rear. Suspension: Performance-oriented adjustable front and rear suspension for stability. Passive Features Lighting: Full lighting system including headlights, taillights, and turn signals for visibility. Ergonomics: Sportbike riding position designed for control and rider feedback. 💡 Technology Features Infotainment Infotainment System: N/A (Focus is on performance and mechanicals, no advanced infotainment features). Driver Assistance Driver Assistance Features: N/A (Motorcycle, no electronic driver assistance systems typical of cars). 🔧 Maintenance Service Intervals Oil Change: Refer to manual for specific interval, typically...