🏷️ Basic Information Identification Make: Aprilia Model: RS250 Year: 1994 Codes Model Code: RS 250 👋 Introduction Market Position Segment: Lightweight Two-Stroke Sportbike Target Audience: Enthusiast owners, home mechanics, aspiring technicians. Competitive Analysis Key Competitors Era: Yamaha YZF-R6, Honda CBR600F, Kawasaki ZX-6R, Suzuki GSX-R600 (though displacement differs slightly in some comparisons). Key Features Unique Selling Proposition: Performance-oriented 250cc two-stroke engine derived from Suzuki RG-Gamma technology, race-bred chassis. Handling Dynamics: Renowned for exceptional agility and rider feedback, a true rider's machine. Value Proposition Manual Benefit: Enables owners to perform detailed maintenance and repairs, extending the life and optimizing the performance of their valuable classic sportbike. 📋 Manual Details Coverage Areas Coverage Scope: Comprehensive Service and Repair Page Count Estimated Pages: 200+ Manual Type Type: Service Repair Manual Language Language: English Format Format: Downloadable Digital File (PDF) 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, disassembly, assembly, tuning, lubrication, cooling system, fuel system. Engine Electrical: Ignition system, CDI, spark plugs, wiring diagrams, lighting, starting system, charging system. Transmission: Clutch operation, gearbox disassembly and assembly, gear selection, lubrication. Chassis And Frame: Frame inspection, suspension (front forks, rear shock absorber), steering system, wheel bearings. Brakes: Hydraulic system, brake caliper service, master cylinder, brake fluid replacement, bleeding procedures. Fuel System: Carburetor tuning (Mikuni TM34), fuel pump, fuel lines, fuel tank maintenance. Exhaust System: Exhaust pipe removal, installation, and inspection. Cooling System: Radiator, coolant, water pump, hoses, thermostat. Electrical System Components: Battery, starter motor, alternator, regulators, fuses, relays. Bodywork And Fairings: Removal, installation, and maintenance of aerodynamic fairings and body panels. Instrumentation And Controls: Dashboard instruments, switchgear, cables, and levers. Lighting System: Headlight, taillight, turn signals, wiring for all lighting components. Procedures Included Routine Maintenance: Oil changes, filter replacements, chain adjustment, spark plug service, brake checks. Troubleshooting: Diagnostic procedures for common issues, electrical fault finding, engine performance problems. Major Repairs: Engine rebuild, gearbox overhauls, suspension repairs, brake system overhauls. Disassembly Assembly: Step-by-step instructions for dismantling and reassembling all major vehicle components. Special Tools: Identification and usage of specialized tools required for specific tasks. Torque Specifications: Detailed torque values for all fasteners and critical components. Suspension Tuning: Adjustments for front forks (pre-load, compression, rebound) and rear shock (pre-load, rebound). Technical Depth Depth: Comprehensive from basic maintenance to full engine and gearbox rebuilds. Diagrams And Illustrations: Includes detailed diagrams, exploded views, and service illustrations to aid understanding. 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text for quick information retrieval. Print Quality Resolution: High-resolution, suitable for clear viewing and printing. Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Type: Liquid-cooled, 2-stroke, V-twin Displacement: 249 cc Bore X Stroke: 54 x 54.5 mm Compression Ratio: 7.5:1 Ignition: Digital CDI Lubrication: Autolube (separate oil injection) Performance Horsepower: 70 hp @ 11,000 rpm (approx.) Torque: 40 Nm @ 10,500 rpm (approx.) Fuel System Carburetors: 2 x Mikuni TM34SS flat-slide carbs Fuel Type: Unleaded gasoline (min 95 octane recommended) Engine Cooling System: Liquid-cooled 🔧 Transmission Standard Type: 6-speed sequential, constant mesh Features Clutch: Wet multi-plate, cable operated Final Drive: Chain drive 📐 Dimensions Exterior Length: Approx. 1,995 mm Width: Approx. 710 mm Height: Approx. 1,140 mm Wheelbase: Approx. 1,385 mm Weights Dry Weight: Approx. 142 kg Wet Weight: Approx. 155 kg 🛡️ Safety Features Ratings Crash Test Results: N/A (Motorcycle - focus on design and rider aids) Active Features Braking System: Dual front discs with opposed piston calipers, single rear disc. Tires: High-performance sport tires, e.g., 120/70 ZR17 front, 160/60 ZR17 rear. Passive Features Frame Construction: Aluminum alloy twin-spar frame for rigidity and light weight. Ergonomics: Aggressive sportbike riding posture. 💡 Technology Features Infotainment System: N/A (Focus on performance, not modern electronics) 🔧 Maintenance Service Intervals Engine Oil Change: Every 3,000-5,000 km or annually (refer to manual for specific intervals). Spark Plug Inspection: Every 5,000-8,000 km. Chain Lubrication Adjustment: Every 500-1,000 km or after riding in wet conditions. Coolant Flush: Every 2 years or 20,000 km. Fluid Specifications Engine Oil Type: High-quality 2-stroke synthetic oil for V-twin engines, API-TC rated. Coolant Type: Ethylene glycol-based antifreeze mixture with corrosion inhibitors, typically 50/50 with distilled water. Brake Fluid Type: DOT 4 Transmission Oil Type: API GL-4 or GL-5, SAE 75W-90 or 80W-90 gear oil (check manual for exact specification and capacity). Fork Oil Type: Specific fork oil viscosity, e.g., Showa SS-8 or equivalent (check manual for exact type and level). Known Issues Power Valve Sticking: Common issue with two-strokes due to carbon buildup, requires regular cleaning. Carburetor Sync And Cleaning: Mikuni TM34s require precise synchronization and can be sensitive to dirt. Electrical Gremlins: Aging wiring harnesses and connections can lead to intermittent issues. Clutch Wear: Can wear prematurely if subjected to aggressive riding or slipping. Exhaust Pipe Cracking: In some cases, exhaust manifold welds can fatigue and crack due to heat...