🏷️ Basic Information Identification Make: Aprilia Model: RS 125 Year: 2002 Codes Vin Prefix: ZAPR... Generation Model Generation: Second Generation (Rotax 122 Series) 👋 Introduction Market Position Segment: Lightweight sportbike, entry-level performance motorcycle Target Audience: Enthusiast riders, younger riders, those seeking sporty styling and performance in a manageable package Competitive Analysis Key Competitors: Yamaha YZF-R125, Suzuki GSX-R125, Honda CBR125R, Kawasaki Ninja 125 Distinguishing Features: Aggressive styling, potent two-stroke engine, premium chassis components for its class Key Features Design Philosophy: Race-inspired aesthetics and performance, mimicking larger Aprilia sportbikes Engine Technology: Liquid-cooled, two-stroke single-cylinder with a potent power band for its displacement Chassis Features: Deltabox-style frame, capable suspension (often inverted front forks), powerful brakes 📋 Manual Details Coverage Areas Market: Global (primarily European markets) Regions: Focus on European specifications and configurations Page Count Estimated Pages: 400+ Manual Type Type: Full Service & Repair Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Engine: Complete overhaul, diagnosis, tuning, lubrication system, cooling system, fuel system (carburetor and associated components) Transmission: Gearbox disassembly, assembly, troubleshooting, clutch operation and adjustment, gear selection mechanism Chassis: Frame inspection and repair, front fork (suspension), rear shock absorber (suspension), steering system, wheel bearing maintenance Brakes: Front and rear brake system service (hydraulic), caliper maintenance, brake disc replacement, brake fluid bleeding procedures Electrical: Wiring diagrams, starter system, ignition system (CDI), lighting circuits, instrument panel, battery maintenance, charging system Fuel System: Carburetor identification (e.g., Dell'Orto PHBH 28), jetting specifications, float bowl adjustment, fuel line routing and maintenance Cooling System: Radiator service, coolant type and capacity, fan operation, thermostat replacement Exhaust System: Exhaust pipe and silencer removal/installation, gasket replacement, common issues with expansion chambers Bodywork: Fairing removal and installation, seat removal, tank removal, minor body panel repair guidance Procedures Included Maintenance: Routine servicing, oil changes, spark plug replacement, air filter cleaning/replacement, chain adjustment, brake pad replacement Troubleshooting: Diagnostic procedures for common starting issues, running problems, electrical faults, and component failures Repair: Detailed step-by-step instructions for component disassembly, cleaning, inspection, repair, and reassembly Rebuild: Engine rebuild procedures, including piston and cylinder replacement, crankshaft and bearing service Tuning: Carburetor jetting recommendations for different altitude and atmospheric conditions, exhaust modifications Diagnostics: Fault finding charts, electrical system testing, component testing procedures Technical Depth Depth: Comprehensive, from basic user maintenance to advanced engine rebuilding and electrical diagnostics Detail Level: Detailed torque specifications, assembly sequences, and clear explanatory text with diagrams Diagrams: Includes exploded views, wiring diagrams, and schematic illustrations 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text for quick information retrieval Print Quality Print Readability: High-resolution scans for clear text and legible diagrams when printed Binding Type Binding: N/A (Digital) Paper Type Paper Quality: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Type: 2-stroke, single cylinder, liquid-cooled, Reed Valve Induction Bore X Stroke: 54 mm x 54.5 mm Displacement: 125 cc (124.8 cc) Compression Ratio: Approximately 12.0:1 Ignition System: Digital CDI (Capacitor Discharge Ignition) Lubrication System: Automatic mixing system (premix) or separate oil injection system Performance Horsepower: Approximately 30-34 HP (Varies by market restrictions, typically around 15 HP for learner-legal versions) Torque: Approximately 20-22 Nm Fuel System Carburetor: Dell'Orto PHBH 28 (common specification, may vary) Fuel Type: Unleaded gasoline (minimum 95 RON recommended) Fuel Capacity: Approx. 12 Liters (3.17 US Gallons) 🔧 Transmission Standard Transmission Type: 6-speed constant mesh Clutch Type: Wet, multi-plate Final Drive: Chain drive Features Gear Ratios: Specific ratios detailed in the manual, crucial for performance tuning Clutch Fluid: DOT 4 Brake Fluid (typically used for hydraulic clutches) 📐 Dimensions Exterior Length: Approx. 1950 mm Width: Approx. 735 mm Height: Approx. 1100 mm Wheelbase: Approx. 1370 mm Weights Dry Weight: Approx. 130 kg Curb Weight: Approx. 140 kg (with fluids) Maximum Load: Refer to manual for rider and luggage capacity limits 🛡️ Safety Features Ratings Safety Standards: European motorcycle safety standards of the era Active Features Brakes: Front: Hydraulic disc (often 320mm disc, 4-piston caliper); Rear: Hydraulic disc (often 220mm disc, 2-piston caliper) Suspension: Front: Telescopic fork (often 40mm diameter, upside-down configuration); Rear: Monoshock adjustable Lighting: Halogen headlight, LED tail light (common for the period) Passive Features Frame Construction: Aluminum alloy twin-spar (Deltabox style) for rigidity and light weight Tires: Front: 110/70-17; Rear: 150/60-17 (typical sizes) Wheel Type: Lightweight alloy wheels 💡 Technology Features Infotainment Infotainment System: N/A (Basic analog instrumentation) Instrumentation Instrument Cluster: Analog speedometer, tachometer, odometer, fuel gauge (sometimes), engine warning lights 🔧 Maintenance Service Intervals Oil Change: Every 3,000-5,000 km or annually, refer to specific manual recommendations Spark Plug: Inspect every 3,000 km, replace as needed Air Filter: Clean/inspect every 3,000 km, replace annually or as needed Chain Lubrication Adjustment: Every 1,000 km or after washing/rain Brake Fluid: Replace every 2 years Coolant: Replace every 2-3 years Fluid Specifications Engine Oil: 2-stroke oil, specific API TC or JASO FD/FE certified (refer to manual for exact...