🏷️ Basic Information Identification Make: Aprilia Model: RS250 Product Type: Complete Factory Service / Repair / Workshop Manual Codes Engine Code Designation: RS250 utilizes a V-twin two-stroke engine, derived from Suzuki's RGV250. 👋 Introduction Market Position Segment: High-performance sportbike. Target Audience: Enthusiast riders, track day participants, and owners seeking detailed maintenance and repair information. Competitive Analysis Key Competitors Era: Yamaha YZF-R6, Suzuki GSX-R600, Kawasaki Ninja ZX-6R, Honda CBR600RR (though the RS250's 2-stroke nature placed it in a slightly different niche). Key Features Model Identity: Renowned for its potent 2-stroke V-twin engine, exceptional handling, and aggressive styling, offering a visceral riding experience. 📋 Manual Details Coverage Areas Primary Coverage: Comprehensive mechanical and electrical repair, maintenance, and troubleshooting for the Aprilia RS250. Page Count Estimated Page Count: Approximately 300-400 pages (typical for this level of detail). Manual Type Type: Factory Service Manual / Workshop Manual / Repair Manual Language Primary Language: English (indicated by 'Engli......') Format Delivery Format: PDF Download 📖 Manual Coverage Systems Covered Engine Systems: Engine disassembly, assembly, tuning, cooling system, lubrication, ignition system, fuel system (carburetors), exhaust system. Drivetrain Systems: Clutch, transmission, gearbox, final drive (chain and sprockets). Chassis Systems: Frame, suspension (front forks and rear shock absorber), steering system, wheels, brakes (front and rear). Electrical Systems: Wiring diagrams, lighting, battery, charging system (stator, regulator/rectifier), starting system, instruments, sensors. Bodywork And Cosmetics: Fairings, seat, fuel tank, fenders, body panel removal and installation. Procedures Included Maintenance Procedures: Routine service checks, oil changes, filter replacements, spark plug replacement, chain adjustment, brake fluid flush, coolant flush. Repair Procedures: Engine rebuilds, carburetor synchronization and tuning, suspension overhaul, brake caliper rebuilding, electrical component testing and replacement. Troubleshooting: Diagnostic charts and symptom-based troubleshooting for common mechanical and electrical issues. Technical Depth Depth Of Information: Extremely high. Covers everything from basic maintenance to full engine teardowns and component-level diagnostics. Suitable for professional mechanics and experienced enthusiasts. 📊 Manual Specifications File Format Digital Format: PDF Print Quality Clarity: High resolution for clear diagrams, illustrations, and text. Searchable text is a common feature of good quality PDFs. Binding Type Digital Binding: N/A (Digital download) Paper Type Digital Paper Emulation: N/A (Digital download, intended for on-screen viewing or printing). ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, 2-stroke, 90-degree V-twin. Displacement: 249 cc (249.3 cc for some iterations). Bore X Stroke: 54.0 mm x 54.5 mm (typical). Performance Horsepower Peak: Approximately 70-72 hp at 11,000 rpm (depending on market and tuning). Torque Peak: Approximately 26-28 lb-ft (35-38 Nm) at 10,000 rpm (depending on market). Redline: Around 12,000-12,500 rpm. Fuel System Carburetion: Twin Keihin PJ38 carburetor (or similar Dell'Orto in some markets). Fuel Type Recommendation: Premium Unleaded Gasoline (91+ octane). Lubrication Oil Delivery: Autolube oil injection system. Cooling System Type: Liquid-cooled. 🔧 Transmission Standard Gearbox Type: 6-speed constant mesh, sequential. Features Clutch Type: Wet multi-plate clutch. Final Drive: Chain drive. 📐 Dimensions Exterior Wheelbase: Approximately 1385-1395 mm (54.5-55.0 inches). Seat Height: Approximately 790-810 mm (31.1-31.9 inches). Weights Dry Weight: Approximately 140-145 kg (308-320 lbs). 🛡️ Safety Features Ratings Safety Certification: Manufactured to meet road-legal safety standards for its era. Active Features Braking System: Dual front discs (e.g., 320mm) with twin-piston calipers, single rear disc (e.g., 220mm) with single-piston caliper. Suspension Adjustability: Typically offers front fork preload and damping adjustment; rear shock preload and rebound damping adjustment. 💡 Technology Features Infotainment Dashboard Instruments: Analog tachometer, speedometer, odometer, trip meter, temperature gauge, indicator lights (neutral, turn signals, oil, high beam). Driver Assistance Electronic Aids: No electronic rider aids like ABS or traction control common on modern motorcycles; emphasizes pure mechanical feedback. Connectivity Charging Ports: No factory-installed charging ports; aftermarket options may be available. 🔧 Maintenance Service Intervals Oil Change Interval: Refer to manual for specific recommendations, but typically every 3,000-5,000 km (1,800-3,000 miles) for regular use. Higher frequency for hard riding/track use. Spark Plug Replacement Interval: Typically every 8,000-12,000 km (5,000-7,500 miles), depending on plug type and usage. Chain Lubrication Frequency: Every 500-1,000 km (300-600 miles) and after riding in wet conditions. Fluid Specifications Engine Oil Type: 2-stroke premix or oil injection oil meeting API TC or JASO FD standards. Coolant Type: Ethylene glycol-based coolant, typically a 50/50 mix with distilled water. Refer to manual for specific type. Brake Fluid Type: DOT 4 recommended for hydraulic brake systems. Transmission Oil Type: Manual transmission oil, e.g., SAE 80W-90 or similar (check manual for exact specification and capacity). Known Issues Common Wear Items: Piston rings, crankshaft seals, clutch plates, swingarm bearings, steering head bearings, exhaust power valves. Potential Problems: Carburetor jetting issues, sticky power valves due to carbon buildup, electrical connector corrosion, aging fuel lines. Torque Values Engine Cylinder Head Bolts: Specific torque sequence and values provided in manual (crucial for 2-stroke engines). Wheel Axle Nut Torque: Specified in manual, critical for safe operation. 📚 Vehicle History Brand Heritage Manufacturer Origin: Aprilia is an...