🏷️ Basic Information Identification Make: Aprilia Model: RS250 Year: 1995-1997 Codes Chassis Codes: AP05 👋 Introduction Market Position Positioning: High-performance sportbike for enthusiast riders, focused on track capability and aggressive street riding. A successor in spirit to the legendary RS250 GP racers. Competitive Analysis Competitors: Honda CBR250RR, Kawasaki ZXR250, Yamaha TZR250, Suzuki RGV250, Ducati 750SS (though larger displacement) Key Features Features: Lightweight chassis, potent 2-stroke V-twin engine derived from Suzuki's RG500 Gamma, aggressive styling, track-focused ergonomics, advanced suspension and braking for its class. 📋 Manual Details Coverage Areas Covered Regions: Global Page Count Page Count: Estimated 250-350 pages (based on typical service manual depth for this era) Manual Type Manual Type: Service and Repair Manual Language Language: English Format Format: Digital (PDF) - Assumed based on 'professional book' description and typical sales model 📖 Manual Coverage Systems Covered Engine: 2-stroke V-twin (Suzuki RG500 based engine), carburetor tuning, ignition system, cooling system, lubrication, engine disassembly and reassembly Transmission: 6-speed constant mesh gearbox, clutch operation, gearbox disassembly and reassembly, shift mechanism Chassis And Frame: Frame inspection and repair, steering head bearing service, swingarm maintenance, suspension adjustment and overhaul (front forks and rear shock absorber) Brakes: Hydraulic front and rear brake systems, caliper service, master cylinder overhaul, bleeding procedures, brake pad replacement Electrical System: Wiring diagrams, charging system (stator, regulator/rectifier), ignition system components, lighting, instrumentation, battery service Fuel System: Carburetor identification and tuning (likely Mikuni TMR32), fuel pump, fuel lines, fuel tank maintenance Cooling System: Radiator service, coolant replacement, thermostat operation, water pump maintenance Exhaust System: Exhaust pipe and silencer installation and maintenance Procedures Included Maintenance: Scheduled maintenance intervals, lubrication points, filter replacement (air, oil - if applicable, though typically 2-stroke requires premix or oil injection system service), spark plug service Troubleshooting: Diagnostic flowcharts for common starting, running, and electrical issues Repair: Component-level repair for engine, transmission, brakes, suspension, electrical components Disassembly Reassembly: Detailed step-by-step instructions for major component removal and installation Performance Tuning: Carburetor jetting recommendations, ignition timing adjustments (if adjustable) Technical Depth Depth: Comprehensive, covering from basic maintenance to in-depth engine rebuilds and electrical system diagnostics. 📊 Manual Specifications File Format File Format: PDF Print Quality Print Quality: High-resolution scans of original manual, clear text and legible diagrams Binding Type Binding Type: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, 2-stroke, V-twin Displacement: 249 cc (249.0 cm³) Bore X Stroke: 54.0 mm x 54.5 mm Compression Ratio: 7.2:1 Power Delivery: Aggressive power band typical of 2-stroke sportbikes, requiring rider engagement with the gearbox. Performance Horsepower: Approximately 65-70 hp (at crankshaft), depending on market restrictions. Torque: Approximately 38-40 Nm (at crankshaft), depending on market restrictions. Fuel System Carburetion: Twin Mikuni TMR32 flat-slide carburetors Fuel Delivery: Gravity feed with electric oil injection system for 2-stroke lubrication Ignition System Ignition Type: Digital CDI with electronically controlled ignition timing Cooling System Cooling Method: Liquid-cooled 🔧 Transmission Standard Transmission Type: 6-speed constant mesh Optional Optional Transmission: N/A (Single transmission option) Features Clutch Type: Wet multi-plate Gear Ratios: Specific gear ratios will be detailed in the manual, crucial for understanding performance characteristics. Fluid Requirements Transmission Fluid Type: High-quality motorcycle gear oil (e.g., SAE 80W-90, specific grade detailed in manual) 📐 Dimensions Exterior Length: Approx. 1965 mm Width: Approx. 710 mm Height: Approx. 1110 mm Wheelbase: Approx. 1365 mm Weights Dry Weight: Approx. 140 kg Wet Weight: Approx. 155 kg (fully fueled) Fuel Capacity: 16 Liters 🛡️ Safety Features Ratings Safety Ratings: N/A (Motorcycles are not rated by traditional automotive safety organizations like NHTSA or Euro NCAP. Safety relies on rider skill and equipment.) Active Features Active Safety: Powerful dual front disc brakes, responsive rear disc brake, agile handling chassis. Passive Features Passive Safety: Sturdy frame construction, fairing for wind protection. 💡 Technology Features Infotainment Infotainment System: N/A (No electronic infotainment systems on this model). Driver Assistance Driver Assistance: N/A (No electronic driver assistance features typical of modern vehicles). Instrumentation Instrumentation: Analog speedometer and tachometer, coolant temperature gauge, odometer, trip meter, neutral indicator, turn signal indicators. 🔧 Maintenance Service Intervals Oil Change Interval: 2-stroke: Requires regular premix or ensures oil injection system is functioning correctly. Oil injection reservoir refill as needed. Spark Plug Replacement: Recommended every 5,000-8,000 km or as per manual. Specific plug type (e.g., NGK BR9EG or equivalent) is critical. Chain And Sprockets: Regular cleaning, lubrication (chain lube) every 500-1000 km, and inspection for wear. Brake Fluid Flush: Every 2 years or as specified in manual. Coolant Replacement: Every 2 years or as specified in manual. Fluid Specifications Engine Oil Type: High-quality 2-stroke synthetic or semi-synthetic motorcycle oil (for oil injection system). Specific viscosity and API rating (e.g., JASO FD) will be detailed. Transmission Fluid Type: SAE 80W-90 motorcycle gear oil (specific grade to be confirmed in manual). Coolant Type: Ethylene glycol-based antifreeze mixed with distilled...