🏷️ Basic Information Identification Make: Aprilia Model: RS250 Year: 1995 Codes Engine Code General Reference: Rotax 2-stroke V-Twin (based on Suzuki RG250 Gamma engine) 👋 Introduction Market Position Market Segment: Lightweight, high-performance two-stroke sportbike Competitive Analysis Key Competitors: Yamaha YZF-R250, Suzuki RGV250, Kawasaki KR-1S Key Features Defining Characteristics: V-twin 2-stroke engine derived from Suzuki RGV250, aluminum twin-spar frame, powerful performance for its displacement 📋 Manual Details Coverage Areas Coverage General: All Models/Engines/Trim/Transmissions Page Count Estimated Page Count: 200-300 pages (typical for comprehensive workshop manuals of this era) Manual Type Manual Type: Workshop Repair Service Manual Language Language: English Format Format: PDF Download File Format File Format Details: Searchable PDF, allowing quick navigation and keyword searches Print Quality Print Quality Assessment: High-resolution scans ensuring clarity of diagrams and text, suitable for printing Binding Type Binding Type For Digital: N/A (Digital Download) Paper Type Paper Type For Digital: N/A (Digital Download) 📖 Manual Coverage Systems Covered Engine System: Engine disassembly, assembly, tuning, lubrication, cooling, fuel system, ignition system, exhaust system Transmission System: Gearbox operation, clutch, chain drive, lubrication, troubleshooting Chassis System: Frame, suspension (front and rear), steering, wheels, tires, brakes (front and rear), electrical system Electrical System: Wiring diagrams, lighting, ignition, battery, charging system, instruments, starter motor Bodywork And Trim: Fairings, seat, fuel tank, fenders, body panel removal and installation Cooling System Coverage: Radiator, water pump, thermostat, hoses, coolant types and capacities, bleeding procedures. Fuel System Coverage: Carburetor disassembly, cleaning, adjustment, jetting information, fuel pump (if applicable), fuel lines, fuel filter. Suspension System Coverage: Front fork oil type and level, seal replacement, rear shock absorber adjustments and overhaul, linkage maintenance. Brake System Coverage: Brake pad replacement, caliper servicing, master cylinder overhaul, brake fluid flush and bleed, rotor inspection. Procedures Included Maintenance Procedures: Regular servicing, fluid changes, filter replacements, chain adjustment, spark plug service, brake bleeding Troubleshooting Procedures: Diagnostic charts, symptom-based troubleshooting for engine, electrical, and mechanical issues Repair Procedures: Detailed step-by-step instructions for component disassembly, repair, and reassembly Technical Data And Specs: Torque specifications, clearances, tolerances, electrical resistance values, fluid capacities Special Tools List: Likely includes a list of specialized tools required for certain maintenance and repair tasks, often with part numbers or descriptions. Technical Depth Depth Of Coverage: Comprehensive: Covers routine maintenance to complete engine and chassis rebuilds Diagnostic Capabilities: Includes detailed diagnostic charts and procedures for identifying and rectifying malfunctions across all vehicle systems. Rebuild Procedures: Provides complete instructions for engine rebuilds, including piston replacement, crankshaft servicing, cylinder head work, and gearbox overhauls. ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, 2-stroke, 90° V-twin Displacement: 249 cc Bore X Stroke: 54.0 mm x 54.5 mm Compression Ratio: 7.2:1 (approx.) Performance Horsepower Peak: Approx. 65-70 HP (at the crank, depending on specific market tuning) Torque Peak: Approx. 30-35 Nm (at the crank) Fuel System Carburetors: Dual 30mm Mikuni VM30SS flat-slide carburetors Fuel Delivery: Premix or Automatic Oil Injection (often via separate oil tank) Cooling System Cooling Method: Liquid-cooled Ignition System Ignition Type: Digital CDI Lubrication System Oil Type Recommendation: High-quality 2-stroke motorcycle oil (e.g., Motul 800, Castrol TTS, Yamalube 2R) for premix or injection system 🔧 Transmission Standard Transmission Type: 6-speed sequential, constant mesh Features Clutch Type: Wet, multi-plate Final Drive: Chain drive Fluid Specs Transmission Oil Type: API GL-4 or GL-5, SAE 75W-90 or 80W-90 gear oil (refer to manual for exact specification) 📐 Dimensions Exterior Length: Approx. 1980 mm (78.0 in) Width: Approx. 705 mm (27.8 in) Height: Approx. 1120 mm (44.1 in) Wheelbase: Approx. 1375 mm (54.1 in) Weights Dry Weight: Approx. 140 kg (308.6 lbs) Fuel Tank Capacity: 16 liters (4.2 US gal) 🛡️ Safety Features Ratings Safety Ratings: N/A (Motorcycle safety is assessed through design, handling, and rider responsibility) Active Features Braking System: Dual front disc brakes (e.g., 320mm), single rear disc brake (e.g., 220mm) with dual-piston calipers Suspension Features: Front: 41mm upside-down (USD) telescopic fork with adjustable preload and damping. Rear: Monoshock with adjustable preload and damping. Passive Features Lighting: Halogen headlight, LED taillight, turn signals Frame Design: Aluminum twin-spar frame for rigidity and light weight 💡 Technology Features Infotainment Infotainment Features: N/A (Focus on pure sportbike performance, no advanced infotainment) Driver Assistance Driver Assistance Features: N/A (No electronic rider aids typical of modern motorcycles) Performance Enhancements Power Valves: Electronic controlled exhaust power valves (APVC) for improved torque and power delivery across the RPM range. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000-5,000 km (1,800-3,000 miles) or annually, whichever comes first (refer to manual for specific) Spark Plug Replacement Interval: Every 5,000-10,000 km (3,000-6,000 miles), depending on usage and plug type (refer to manual) Chain Adjustment Interval: Every 1,000 km (600 miles) or as needed based on slack Fluid Specifications Coolant Type: Ethylene glycol-based antifreeze/coolant with corrosion inhibitors (typically a 50/50 mix with distilled water) Brake Fluid Type: DOT 4 Known Issues Common Wear...