🏷️ Basic Information Identification Make: Aprilia Model: RS250 Year: 1995-1997 Vehicle Type: Sport Motorcycle 👋 Introduction Market Position Market Segment: Lightweight two-stroke sportbike, competing with models like the Yamaha YZF-R6 and Kawasaki Ninja ZX-6R of its era. Competitive Analysis Key Competitors: Yamaha YZF-R6, Kawasaki Ninja ZX-6R, Suzuki GSX-R600, Honda CBR600F Key Features Performance Focus: Renowned for its sharp handling, lightweight chassis, and potent two-stroke engine performance. Design Inspiration: Derived from Aprilia's successful Grand Prix racing technology, particularly the RS250 GP replica. Target Audience Intended Users: Enthusiasts, mechanics, technicians, and owners seeking to maintain, repair, or restore the Aprilia RS250. 📋 Manual Details Coverage Areas Regions Covered: Global (with potential regional variations in specifications and emissions) Page Count Estimated Page Count: 200-300 Manual Type Type: Service and Repair Manual Language Language: English Format Format: Digital (likely PDF) 📖 Manual Coverage Systems Covered Engine: Two-stroke V-twin (Suzuki RG250 Gamma based), fuel and ignition systems, cooling, lubrication, exhaust Transmission: Six-speed sequential gearbox, clutch, gear shift mechanism, lubrication Chassis: Frame, swingarm, suspension (front telescopic forks, rear monoshock), steering assembly Brakes: Front: Dual hydraulic disc brakes; Rear: Single hydraulic disc brake, brake fluid specifications, bleeding procedures Electrical System: Wiring diagrams, battery, charging system (alternator, regulator/rectifier), ignition system, lighting, instrumentation Fuel System: Carburetion (likely Mikuni TM28 or similar), fuel tank, fuel lines, fuel pump (if applicable) Bodywork: Fairings, seat, fenders, tank cover, removal and installation procedures Procedures Included Maintenance: Routine servicing, oil changes, spark plug replacement, air filter cleaning/replacement, chain adjustment, brake pad replacement Troubleshooting: Diagnostic procedures for common issues, fault finding charts, electrical system diagnostics Repair: Engine overhaul, transmission rebuild, suspension fork service, carburetor tuning, electrical component repair Disassembly Reassembly: Step-by-step guides for major component removal and reinstallation Technical Depth Depth: Comprehensive; covers from basic maintenance to complete engine and chassis overhauls Diagnostic Capabilities: Includes diagnostic information for ignition, fuel, and electrical systems Specifications: Detailed technical specifications, torque values, tolerances, and clearances 📊 Manual Specifications File Format Digital Format: PDF (searchable, printable) Print Quality Print Quality: High-resolution scans of original factory manuals Binding Type Binding Type: N/A (Digital) Paper Type Paper Type: N/A (Digital) ⚙️ 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 Compression Ratio: 7.3:1 Valves: Reed valve induction Power Output: Approx. 70-72 HP @ 11,000 rpm (derestricted factory spec, actual may vary) Torque: Approx. 33-35 Nm @ 10,500 rpm Performance Redline: 12,500 rpm (approx.) Fuel System Carburetors: Dual Mikuni TM28SS flat-slide carburetors Fuel Type: Unleaded gasoline (min. 95 RON recommended) Lubrication Oil System: Premix (separate oil injection system with reservoir) Oil Type: 2-stroke motorcycle oil, JASO FD or API TC certified 🔧 Transmission Standard Type: 6-speed, constant mesh Clutch: Wet multi-plate clutch, hydraulically operated Features Gear Ratios: Specific ratios vary by year and market, typically found in the manual. Final Drive: Chain drive Transmission Oil Type: Specific gearbox oil (refer to manual for grade, e.g., SAE 80W/90) 📐 Dimensions Exterior Length: Approx. 1990 mm Width: Approx. 710 mm Height: Approx. 1140 mm Wheelbase: Approx. 1370 mm Weights Dry Weight: Approx. 131 kg Wet Weight: Approx. 145 kg (with fluids) Fuel Tank Capacity: 16.0 L Oil Tank Capacity: 1.5 L (2-stroke oil) 🛡️ Safety Features Ratings Safety Standards: Meets ECE and DOT standards for its era. Active Features Braking System: Dual front discs with 4-piston calipers, single rear disc. Suspension: Adjustable front forks (preload, compression, rebound), adjustable monoshock rear suspension. Passive Features Lighting: Halogen headlight, taillight, turn signals. Frame Construction: Aluminum twin-spar frame for rigidity and light weight. 💡 Technology Features Infotainment Instrumentation: Analog tachometer, speedometer, odometer, trip meter, coolant temperature gauge, and indicator lights. Driver Assistance ABS: Not equipped with ABS. Connectivity No Electronic Aids: Focus on raw performance; no electronic rider aids like traction control or ride-by-wire. 🔧 Maintenance Service Intervals Oil Change Interval: Refer to manual (typically every few thousand kilometers or annually). Spark Plug Replacement: Refer to manual (e.g., 6,000-10,000 km). Chain Adjustment: Regular checks (e.g., every 1,000 km). Fluid Specifications Coolant: Ethylene glycol-based antifreeze, 50/50 mix with distilled water. Brake Fluid: DOT 4 or DOT 5.1 (refer to manual for exact specification). Fork Oil: Specific viscosity grade (e.g., SAE 5W or 10W, check manual). Known Issues Power Valves: Mechanical power valves can become sticky or seize if not properly maintained, affecting engine performance. Carburetor Sync: Carburetors require regular synchronization for optimal performance and smooth running. Electrical Connections: Corrosion on electrical connectors can lead to intermittent faults, especially in humid conditions. Cooling System: Overheating can occur if the cooling system is not properly maintained or if the radiator is blocked. 📚 Vehicle History Brand Heritage Aprilia Motorsport: Aprilia has a strong heritage in Grand Prix motorcycle racing, particularly in the 125cc and 250cc classes. Model Evolution Rs250 Development: The RS250 was developed by Aprilia using the V-twin engine...