🏷️ Basic Information Identification Make: Aprilia Model: RS 250 Model Generation: First Generation Model Years Covered: 1995, 1996, 1997 👋 Introduction Market Position Positioning: High-performance, track-oriented 250cc sportbike with a significant racing heritage. Competitive Analysis Competitors: Honda CBR250RR, Kawasaki ZXR250, Yamaha FZR250, Suzuki RGV250 (significant rivalry, especially with Suzuki RGV250). Key Features Distinctive Features: V-twin two-stroke engine derived from Suzuki's RGV series, lightweight chassis, sharp styling, strong performance for its displacement. Value Proposition Benefit To Owner: Empowers owners to perform maintenance and repairs themselves, saving money and increasing understanding of their motorcycle. Manual Origin Dealership Use: Identical to manuals used by dealership technicians, ensuring factory-level accuracy and procedures. 📋 Manual Details Coverage Areas Primary Coverage: Service, Repair, Maintenance, Diagnosis Technical Documentation Type: Workshop Manual / Service Manual Page Count Estimated Page Count: High (Detailed, step-by-step instructions often indicate 300+ pages) Manual Type Type: Service Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine: Detailed disassembly, assembly, timing, lubrication, cooling, components Fuel System: Carburetor system, fuel delivery, throttle body, fuel injection (if applicable, though likely carburetor for this era RS250) Exhaust System: Components, routing, tuning considerations Cooling Lubrication: Radiator, water pump, oil pump (premix or separate oil injection), fluid specifications Chassis: Frame, suspension (front forks, rear shock), steering, wheels, tires, brakes Electrical System: Ignition, lighting, charging system, battery, wiring harnesses, diagnosis Braking System: Hydraulic system, calipers, master cylinders, discs, bleeding procedures Emission Control: Information pertaining to emissions standards and related components Procedures Included Maintenance: Periodic maintenance schedules, fluid changes, filter replacements, chain adjustment Diagnosis: Troubleshooting guides, fault finding for electrical and mechanical systems, FI system diagnosis (if applicable) Repair: Step-by-step instructions for component removal, installation, and overhaul Rebuilds: Engine rebuilds, carburetor overhauls, brake system rebuilding Technical Depth Depth: Comprehensive: Covers everything from basic maintenance to complex internal engine repairs and electrical diagnostics. Diagnostic Capabilities: Advanced fault code reading (if applicable), circuit testing, component testing procedures 📊 Manual Specifications File Format Format: PDF Searchability: Likely text-searchable PDF for easy information retrieval Print Quality Printability: All pages printable Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, 90-degree V-twin, 2-stroke Displacement: 249 cc Bore X Stroke: 54.0 mm x 54.5 mm Compression Ratio: 7.2:1 (approximately, often varies slightly by year/market) Performance Horsepower Approx: Approx. 70 hp @ 11,000 rpm (varies by market restrictions and tuning) Torque Approx: Approx. 32 lb-ft @ 10,500 rpm (varies by market restrictions and tuning) Fuel System Carburetion: Twin 38mm Mikuni flat-slide carburetors (VM38SS or similar) Fuel Type: Unleaded gasoline (minimum 91 octane recommended), 2-stroke oil (premix or auto-lube system) Lubrication System Lubrication Method: Premix or Automatic Lubrication System (oil injection) Ignition System Ignition Type: Digital CDI (Capacitor Discharge Ignition) 🔧 Transmission Standard Transmission Type: 6-speed constant mesh, cassette-type gearbox Features Clutch Type: Wet multi-plate clutch Final Drive: Chain drive 📐 Dimensions Exterior Length Approx: Approx. 1985 mm (78.1 in) Width Approx: Approx. 705 mm (27.8 in) Height Approx: Approx. 1095 mm (43.1 in) Weights Dry Weight Approx: Approx. 142 kg (313 lbs) Wet Weight Approx: Approx. 159 kg (350 lbs) Wheels Tires Front Tire Size: 120/70ZR17 Rear Tire Size: 160/60ZR17 Wheel Type: Cast aluminum alloy 🛡️ Safety Features Ratings Crash Test Ratings: N/A (Motorcycle, not typically subjected to automotive crash tests) Active Features Braking System: Dual front disc brakes (e.g., 320mm discs with 4-piston calipers), single rear disc brake (e.g., 220mm disc with 2-piston caliper). Often Nissin or Brembo components. Suspension Damping: Adjustable front forks (preload, compression, rebound) and rear monoshock (preload, rebound). Passive Features Frame Construction: Lightweight aluminum alloy twin-spar frame for rigidity and handling. 💡 Technology Features Infotainment Infotainment System: N/A (Focus on performance, not modern electronics). Driver Assistance Assistance Systems: N/A (No electronic rider aids like ABS, traction control). Instrumentation Dashboard: Analog tachometer, speedometer, coolant temperature gauge, fuel level indicator (on some models), and various warning lights. 🔧 Maintenance Service Intervals Oil Change Interval: Refer to manual for specific intervals; typically every 2,500-5,000 km (1,500-3,000 miles) or annually for gearbox oil. Spark Plug Replacement: Refer to manual; typically every 5,000-10,000 km (3,000-6,000 miles) depending on plug type and usage. Chain Maintenance: Regular cleaning and lubrication (e.g., every 500-1000 km) and tension adjustment as needed. Fluid Specifications Engine Oil: 2-stroke oil, specific grade and mix ratio as per manual (e.g., API-TC or JASO FD rated). Gearbox Oil: SAE 10W-40 API GL-4 transmission oil is common. Capacity typically around 0.8-1.0 liters. Coolant: Ethylene glycol-based coolant with distilled water (50/50 mix recommended). Capacity approx. 1.2-1.5 liters. Brake Fluid: DOT 4 or DOT 5.1, depending on manufacturer recommendation. Known Issues Common Wear Items: Cylinder wear (especially in high-mileage or poorly maintained examples), carburetor jetting issues, reed valve wear, exhaust power valve issues. Electrical Quirks: Occasional issues with stator, rectifier, or CDI unit,...