🏷️ Basic Information Identification Make: Aprilia Model: RS250 Year: 1997 Engine Variant: 2-stroke, V-twin Trim Level: All Models/Engines/Trim/Transmissions Types 👋 Introduction Market Position Market Segment: High-performance 250cc sportbike, competing in the lightweight supersport class. Target Audience: Enthusiasts, owners, and independent repair shops specializing in Aprilia motorcycles. Competitive Analysis Key Competitors: Honda CBR250RR, Yamaha YZF-R25, Kawasaki ZXR250, Suzuki RG250 Gamma. Key Features Vehicle Highlight: Renowned for its potent 2-stroke V-twin engine derived from the Suzuki RGV250, exceptional handling, and aggressive styling. Manual Value Proposition: Essential for maintaining and repairing a technically sophisticated and performance-oriented 2-stroke motorcycle, enabling owners to keep their classic Aprilia in top condition. 📋 Manual Details Coverage Areas Language: English Document Type: Workshop Repair Service Manual Geographic Coverage: Global (applicable to 1997 RS250 models) Page Count Estimated Pages: Varies by specific printing/digital version, typically 300-500 pages for comprehensive workshop manuals. Manual Type Manual Type: Factory Service Manual (FSM) / Workshop Manual Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Complete engine overhaul, disassembly, assembly, lubrication, cooling, ignition, fuel, exhaust, and performance tuning. Transmission: Gearbox disassembly, inspection, repair, clutch system, shift mechanism, and related components. Chassis: Frame inspection, suspension (front forks, rear shock absorber), steering system, and alignment procedures. Brakes: Front and rear brake system maintenance, fluid replacement, caliper overhaul, master cylinder repair, and bleeding procedures. Electrical System: Wiring diagrams, lighting system, ignition system, battery, charging system, starter motor, and diagnostic procedures. Fuel System: Carburetor overhaul and tuning (likely Mikuni TM28SS), fuel tank, fuel lines, and oil injection system. Cooling System: Radiator, coolant hoses, water pump, and thermostat operation. Bodywork And Fairings: Fairing removal and installation, seat, fuel tank, fenders, and general cosmetic component maintenance. Procedures Included Routine Maintenance: Oil changes, filter replacements, chain adjustment, lubrication points, spark plug replacement, and general inspection. Troubleshooting: Diagnostic flowcharts, common problems, and symptom-based repair guidance for all major systems. Disassembly And Assembly: Step-by-step instructions for complete teardown and reassembly of all major mechanical and electrical components. Rebuilding Procedures: Detailed instructions for rebuilding major assemblies such as the engine, carburetors, and brake calipers. Electrical Diagnostics: Troubleshooting electrical faults using wiring diagrams, multimeter testing, and component diagnosis. Torque Specifications: Precise torque values for all critical fasteners and fasteners in engine and chassis components. Technical Depth Depth Of Coverage: Comprehensive: Covers everything from basic user maintenance to full engine rebuilds and complex electrical diagnostics. Diagnostic Level: Advanced diagnostics and troubleshooting procedures. Repair Scope: Full repair and component replacement guidance. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable PDF for easy keyword lookup. Printability: Printable pages for use in a workshop environment. Print Quality Image Resolution: Varies with original scan quality, but professional manuals aim for clear diagrams and illustrations. Binding Type Binding Type: N/A (PDF Download) Paper Type Paper Type: N/A (PDF Download) ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, 2-stroke, V-twin Displacement: 249.0 cc Bore X Stroke: 54.0 mm x 54.5 mm Power Delivery: Typically around 70-75 HP at the crankshaft (exact spec varies by market and tuning). Torque Delivery: Strong mid-range torque characteristic of its V-twin 2-stroke design. Compression Ratio: 7.4:1 (typical) Valvetrain: Rotor-controlled inlet, exhaust powervalve system (Suzuki's AETC - Automatic Exhaust Timing Control). Performance Top Speed: Exceeds 130 mph (210 km/h) in stock configuration. 0-60 Mph: Approximately 3.5 - 4.0 seconds. Fuel System Carburetors: Twin Mikuni TM28SS constant velocity carburetors. Fuel Type: Unleaded gasoline, typically 95-98 RON (Octane rating). Oil Injection: Automatic oil injection system for 2-stroke oil. Cooling System Cooling Method: Liquid-cooled. 🔧 Transmission Standard Transmission Type: 6-speed, constant mesh, sequential manual gearbox. Clutch Type: Wet, multi-plate, cable-actuated. Features Gear Ratios: Specific gear ratios are detailed within the manual, crucial for performance tuning. Final Drive: Chain drive, 520 pitch. Fluid Specifications Transmission Oil: API GL-4 or GL-5, SAE 80W/90 gear oil is commonly used, but the manual will specify Aprilia's recommendation. 📐 Dimensions Exterior Length: Approx. 1970 mm (77.6 in) Width: Approx. 700 mm (27.6 in) Height: Approx. 1090 mm (42.9 in) Wheelbase: Approx. 1360 mm (53.5 in) Weights Dry Weight: Approx. 134 kg (295 lbs) Wet Weight: Approx. 150 kg (330 lbs) (with fluids). Fuel Capacity: 16 Liters (4.2 US gal) 🛡️ Safety Features Ratings Safety Ratings: Motorcycle safety is primarily determined by rider skill and adherence to road laws. No formal crash test ratings like cars. Focus is on component integrity and dynamic stability. Active Features Braking System: Dual front disc brakes (290mm) with 4-piston calipers, single rear disc brake (230mm) with 2-piston caliper. High-performance braking for its class. Suspension: Front: Telescopic forks (Showa or Marzocchi, adjustable preload and rebound). Rear: Monoshock absorber (adjustable preload, compression, and rebound). Passive Features Frame Design: Aluminium twin-spar frame providing excellent rigidity and handling characteristics. Lighting: Dual Halogen headlights for good visibility. 💡 Technology Features Infotainment Infotainment System: None. This is a 1997 performance motorcycle; technology...