🏷️ Basic Information Identification Make: Aprilia Model: RS 250 Model Codes: AP02, AP02A, AP02B (typical for the era and model variations) Generation Generation Identifier: First Generation Generation Years: 1995-2002 👋 Introduction Market Position Classification: High-performance 2-stroke sportbike. Era Significance: A highly regarded competitor in the 250cc class, known for its track-bred performance and sharp handling. Competitive Analysis Key Competitors: Honda CBR250RR, Kawasaki ZXR250, Suzuki RGV250, Yamaha TZR250. Key Features Engine Architecture: Liquid-cooled, 2-stroke, V-twin engine. Chassis Design: Aluminum twin-spar frame, advanced suspension components. Braking System: Dual front disc brakes with radial-mount calipers, single rear disc. Styling: Aggressive, aerodynamic bodywork inspired by Aprilia's racing machines. 📋 Manual Details Coverage Areas Covered Model Years: 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002 Manual Type Type: Workshop Service Manual (WSM) Content Focus: Repair, Maintenance, Diagnostics, Overhaul Language Language: English (typical for manufacturer documentation, assumed) Format Format: Digital (likely PDF, as commonly distributed for this era) 📖 Manual Coverage Systems Covered Engine Mechanical: Complete engine disassembly, assembly, inspection, and repair (cylinder head, piston, crankshaft, connecting rods, lubrication system, cooling system). Engine Fuel System: Carburetor overhaul and adjustment (Mikuni TMX), fuel pump, fuel lines, fuel tank maintenance. Engine Ignition System: CDI ignition system, spark plug specifications, ignition timing, coil testing. Transmission And Drivetrain: Gearbox inspection and repair, clutch operation and adjustment, chain and sprockets maintenance, gearbox oil specifications. Chassis And Suspension: Front fork (USD) overhaul, rear shock absorber adjustment and replacement, steering head bearing service, swingarm maintenance. Brakes: Front and rear brake system inspection, hydraulic system maintenance, caliper and master cylinder overhaul, brake fluid specifications and bleeding procedures. Electrical System: Wiring diagrams, battery maintenance, lighting system troubleshooting, starter motor, charging system (stator, regulator/rectifier), instrument panel diagnostics. Bodywork And Fairings: Fairing removal and installation, seat and tank component servicing, chassis identification. Procedures Included Routine Maintenance: Oil changes, filter replacements, chain lubrication and adjustment, brake fluid checks, tire pressure checks, spark plug replacement. Troubleshooting: Systematic fault finding for engine performance issues, electrical problems, braking system irregularities, and suspension performance. Major Repairs: Engine rebuilds, transmission overhauls, suspension component replacement, electrical system repairs, carburetor tuning. Diagnostic Procedures: Use of specific tools, component testing methods, interpretation of symptoms. Technical Depth Depth: Comprehensive workshop-level detail suitable for professional mechanics and advanced DIY enthusiasts. 📊 Manual Specifications File Format File Type: PDF Searchability: Text-searchable (typical for professional PDFs) Print Quality Printability: High-resolution, suitable for printing individual pages or sections. Binding Type Binding For Digital: N/A (digital format) Paper Type Paper For Physical: N/A (digital format) ⚙️ Engine Specifications Primary Engine Type: 2-stroke, liquid-cooled, V-twin Displacement: 249.0 cc (15.19 cu in) Bore X Stroke: 54.0 mm x 54.5 mm (typical) Compression Ratio: 7.5:1 (typical, varies slightly by year/market) Induction: Dual Mikuni TMX30 flat-slide carburetors Power Output: Approximately 70-73 HP (at crankshaft, depending on market and tuning) Torque: Approximately 36-38 Nm (at crankshaft, depending on market) Cooling System: Water-cooled with radiator and fan Lubrication: Separate oil injection system (Autolube) Fuel System Fuel Type: Unleaded gasoline (RON 95/98 recommended) Fuel Tank Capacity: 16 Liters (approx. 4.2 US gallons) 🔧 Transmission Standard Type: 6-speed constant mesh Clutch: Wet, multi-plate, cable-actuated Features Final Drive: Chain drive (520 pitch, typical) 📐 Dimensions Exterior Length: Approximately 1970 mm (77.6 in) Width: Approximately 710 mm (28.0 in) Height: Approximately 1135 mm (44.7 in) Wheelbase: Approximately 1360 mm (53.5 in) Weights Dry Weight: Approximately 141 kg (310.85 lbs) Wet Weight: Approximately 157 kg (346.1 lbs) 🛡️ Safety Features Ratings Safety Certification: Not applicable for motorcycles in the same way as cars; compliance with regional safety standards (e.g., European ECE regulations) is implied. Active Features Braking System: Powerful dual front discs with 4-piston calipers (e.g., Brembo), single rear disc. Suspension Performance: Fully adjustable USD front forks and monoshock rear suspension contribute to stability and control. Passive Features Chassis Rigidity: Stiff aluminum twin-spar frame provides excellent rider feedback and stability. 💡 Technology Features Infotainment System: Basic motorcycle instrumentation (speedometer, tachometer, fuel gauge, coolant temperature gauge, indicator lights). Driver Assistance Features: None (characteristic of sportbikes of this era). Connectivity Features: None. 🔧 Maintenance Service Intervals Oil Change Engine Gearbox: Refer to manual for specific interval (typically 3000-5000 km or annually), check level regularly. Spark Plug Replacement: Typically every 6,000 - 10,000 km, depending on plug type and usage. Chain Maintenance: Clean and lubricate every 500 km or after riding in wet conditions; adjust tension as needed. Fluid Specifications Engine Oil Injection: API TC or JASO FD certified 2-stroke pre-mix oil (e.g., Castrol TTS, Motul 2T). Gearbox Oil: SAE 75W/90 API GL-3 or GL-4 transmission oil (Capacity: ~0.8 L). Coolant: Ethylene glycol-based antifreeze/coolant with corrosion inhibitors (50/50 mix with distilled water recommended). Brake Fluid: DOT 4 (or DOT 3 if specified for older models) synthetic brake fluid. Known Issues Exhaust Powervalves: Carbon buildup on exhaust powervalves can affect performance and require periodic cleaning/servicing. Carburetor Sync:...