🏷️ Basic Information Identification Make: Aprilia Model: RS250 Year: 1994-1998 Codes Engine Code: Rotax 247 (V-twin 2-stroke) 👋 Introduction Market Position Market Niche: High-performance lightweight sportbike segment, competing with other 250cc two-stroke machines of its era. Competitive Analysis Key Competitors: Yamaha TZR250, Honda NSR250R, Suzuki RGV250 Gamma. Key Features Performance Focus: Renowned for its potent two-stroke V-twin engine and racing-derived chassis. Handling Characteristics: Agile and precise handling, benefiting from its racing heritage. Design Inspiration: Closely related to the Suzuki RGV250 donor chassis and engine components. 📋 Manual Details Coverage Areas Language: English (EN), Italian (IT) Manual Type: Workshop Repair & Service Manual Completeness: Complete, no missing pages Source: Official Service Information Format Format Type: Likely digital (PDF) given product description, but presented as a saleable manual Page Count Page Count: Not specified in product info, but described as 'Complete, Absolutely No Missing Pages' indicating a substantial volume. 📖 Manual Coverage Systems Covered Engine: Engine disassembly, assembly, tuning, lubrication, cooling, fuel and ignition systems, performance optimization for the Rotax 247 V-twin. Transmission: Gearbox operation, maintenance, clutch service, lubrication, and troubleshooting. Chassis: Frame, swingarm, suspension (front forks, rear shock absorber), steering head, wheel bearings, and alignment. Brakes: Brake system diagnostics, fluid replacement, caliper service, master cylinder maintenance, and pad/disc wear checks. Electrical: Wiring diagrams, battery maintenance, lighting system, ignition system components, charging system, and starter motor. Fuel System: Carburetor tuning (Dell'Orto PHBH 28), fuel lines, fuel pump, and fuel tank maintenance. Exhaust System: Exhaust pipe and silencer maintenance, removal, and installation. Bodywork: Fairing removal, installation, and repair procedures. Procedures Included Routine Maintenance: Oil changes, chain adjustment and lubrication, filter replacements, spark plug service, and general inspection checks. Troubleshooting: Diagnostic procedures for common issues, fault finding charts, and repair guidance. Engine Rebuild: Detailed steps for top-end and bottom-end engine overhauls, piston, ring, and cylinder replacement. Suspension Service: Fork seal replacement, oil levels, and rear shock absorber adjustments. Carburetor Synchronization: Precise instructions for balancing the dual Dell'Orto carburetors. Electrical Diagnostics: Troubleshooting electrical faults using wiring diagrams. Wheel And Tire: Tire pressure checks, wheel balancing, and bearing maintenance. Technical Depth Depth: Comprehensive, covering from basic maintenance to advanced engine rebuilding and component-level diagnostics. 📊 Manual Specifications File Format File Format Type: Likely PDF for digital distribution, but presented as a complete manual document. Print Quality Print Quality: Assumed to be high quality, reflecting 'Official Service Information'. Binding Type Binding Type: N/A (for digital format) or Professional binding if physical copy. Paper Type Paper Type: N/A (for digital format) or High-quality, durable paper if physical copy. ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, 72° V-twin, two-stroke Displacement: 249 cc Bore X Stroke: 54 x 54.5 mm Compression Ratio: 7.1:1 (typical, may vary slightly by year) Carburetion: 2 x Dell'Orto PHBH 28 Ignition: Digital CDI (Capacitor Discharge Ignition) Lubrication: Autolube (oil injection system) Performance Horsepower: Approx. 65 HP (at 11,000 rpm, varies by market and tuning) Torque: Approx. 40 Nm (at 10,500 rpm, varies by market and tuning) Fuel System Fuel Type: Unleaded gasoline (RON 95 recommended, higher octane for optimal performance) Fuel Tank Capacity: Approx. 16 liters 🔧 Transmission Standard Transmission Type: 6-speed constant mesh Clutch Type: Wet multi-plate Features Gear Ratios: Specific ratios provided within the manual, crucial for performance tuning. 📐 Dimensions Exterior Length: Approx. 1985 mm Width: Approx. 700 mm Height: Approx. 1135 mm Wheelbase: Approx. 1375 mm Weights Dry Weight: Approx. 141 kg Wet Weight: Approx. 159 kg (with fluids) Wheels Tires Front Wheel: 3.50 x 17 inches Rear Wheel: 4.50 x 17 inches Front Tire Size: 120/70-17 Rear Tire Size: 160/60-17 🛡️ Safety Features Ratings Safety Rating: N/A (Motorcycle safety ratings differ from automobiles; focus is on design and component integrity covered in manual). Active Features Braking System: Dual 320mm front discs with 4-piston calipers, single 240mm rear disc with 2-piston caliper. (ABS not typically equipped). Suspension Stability: Adjustable front forks (preload, compression, rebound) and rear shock (preload, rebound) for optimal stability. Passive Features Frame Construction: Aluminum twin-spar frame providing structural rigidity. 💡 Technology Features Infotainment Infotainment System: N/A (This is a 1990s sportbike; no advanced infotainment features like screens or connectivity.) Driver Assistance Driver Assistance Systems: N/A (No electronic rider aids like traction control or ABS were standard.) Engine Technology Power Valve System: TSR (Tuned By Suzuki Racing) power valves, controlled by the RC-G (Aprilia Racing Control Gear) for optimized power delivery across the rev range. Manual details their function and maintenance. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000-5,000 km, or annually, depending on usage. (Specifics in manual). Spark Plug Service: Every 6,000-8,000 km, or as specified in manual. Chain Maintenance: Lubrication and adjustment every 500-1,000 km, or after washing/wet riding. Air Filter Cleaning: Regular inspection and cleaning/replacement as per manual, more frequently in dusty conditions. Fluid Specifications Engine Oil Type: 2-stroke motorcycle specific (premix or injection...