🏷️ Basic Information Identification Make: Aprilia Model: RS250 Product Type: Factory Service Repair Manual (Downloadable) 👋 Introduction Market Position Positioning: High-performance, track-day oriented sportbike with a cult following Competitive Analysis Competitors: Yamaha YZF-R25, Honda CBR250RR, Kawasaki Ninja 250R (in their respective markets and eras) Key Features Distinguishing Features: Lightweight chassis, potent 2-stroke V-twin engine derived from Suzuki RGV250, exceptional handling, aggressive styling 📋 Manual Details Coverage Areas Scope: Comprehensive mechanical and electrical repair and maintenance Page Count Estimated Pages: Approximately 300-500 pages (typical for this model/era) Manual Type Type: Factory Service Manual Language Language: English Format Format: Digital Download (PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine (Rotary Valve, 2-Stroke, V-Twin), Carburetion, Exhaust System, Ignition System, Lubrication System Chassis: Frame, Front Suspension (Telescopic Forks), Rear Suspension (Monoshock Swingarm), Wheels, Tires, Braking System (Front & Rear Discs) Electrical: Lighting System, Battery, Charging System, Ignition System, Wiring Diagrams, Instrumentation Bodywork: Fairings, Seat, Fuel Tank, Body Panels, Graphics Procedures Included Maintenance: Routine inspections, oil changes, filter replacements, chain maintenance, brake pad replacement, fluid checks Diagnostics: Troubleshooting guides, fault code interpretation (if applicable), component testing Repair: Engine rebuilds, carburetor tuning, suspension overhaul, brake system repair, electrical component replacement Adjustments: Carburetor synchronization, idle speed adjustment, clutch and throttle cable adjustment Technical Depth Depth: Detailed, from basic checks to complete engine and chassis overhauls, including torque specifications and clearance measurements 📊 Manual Specifications File Format Digital Format: Searchable PDF with high-resolution diagrams and text Print Quality Printability: High quality for printing individual sections or the entire manual Binding Type Digital Binding: N/A (Digital Download) Paper Type Digital Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, 2-stroke, 90-degree V-twin Displacement: 249 cc (249.7 cc) Bore X Stroke: 54.0 mm x 54.5 mm Valvetrain: Reed Valve Intake, Rotary Valve Exhaust Port Timing Compression Ratio: 7.3:1 (approx.) Performance Horsepower: Approx. 65-70 HP (at crank, depending on market and specific variant) Torque: Approx. 42-45 Nm (at crank, depending on market and specific variant) Fuel System Carburetors: 2 x Mikuni TM34SS (flat-slide, constant velocity) Fuel Type: Unleaded Gasoline, Minimum 95 RON (Octane Rating) Oil Mixture: Pre-mix or Automatic Oil Injection (Suzuki ATAC system) 🔧 Transmission Standard Transmission Type: 6-speed constant mesh Features Clutch: Wet, multi-plate, cable-actuated Final Drive: Chain drive 📐 Dimensions Exterior Length: Approx. 1970 mm Width: Approx. 720 mm Height: Approx. 1115 mm Wheelbase: Approx. 1365 mm Weights Dry Weight: Approx. 138-140 kg Wet Weight: Approx. 155-160 kg Fuel Capacity: 16 Liters 🛡️ Safety Features Ratings Safety Certification: N/A (Motorcycle - compliance with regional homologation standards) Active Features Braking System: Dual Front 290mm Disc Brakes with 4-piston calipers; Single Rear 210mm Disc Brake with 2-piston caliper Suspension: Performance-tuned front and rear suspension for superior handling and stability Passive Features Frame Construction: Lightweight Aluminium Twin-Spar Frame for rigidity and precise feedback 💡 Technology Features Infotainment Instrumentation: Analog Tachometer, Speedometer, Temperature Gauge, Odometer, Trip Meter, Neutral Indicator, Turn Signal Indicators Driver Assistance Performance Aids: Suzuki Alpha Transistor Controlled Ignition (ATAC) for variable exhaust port timing to improve low-mid range power delivery. Connectivity Connectivity Features: N/A (Vintage sportbike with focus on mechanical performance) 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000 km or 12 months, whichever comes first (Engine Oil) Spark Plug Replacement: Every 6,000 km (or as specified per plug type) Chain Lubrication: Every 500 km and after riding in wet conditions Air Filter Cleaning: Every 6,000 km Fluid Specifications Engine Oil Type: 2-stroke specific motorcycle oil, JASO FD certified (for oil injection system) or equivalent for pre-mix. Coolant Type: Ethylene Glycol based antifreeze coolant, with corrosion inhibitors (50% mixture with distilled water) Brake Fluid Type: DOT 4 Fork Oil Type: SAE 10W (or as specified in manual for specific fork models) Known Issues Common Problems: Carburetor synchronization issues, power valve sticking, aging electrical components, starter motor wear. Maintenance Notes: Requires meticulous attention to 2-stroke engine maintenance. Proper jetting and exhaust system cleaning are crucial. 📚 Vehicle History Brand Heritage Brand Focus: Aprilia is an Italian manufacturer renowned for its performance motorcycles, particularly in racing and sportbike segments. Model Evolution Development Basis: Developed from the highly successful Suzuki RGV250 VJ22 Gamma, with Aprilia-specific tuning and components. Production Run: Originally produced from 1995 to 2004. Production Manufacturing Location: Italy 🏆 Awards & Recognition Recognitions Critical Acclaim: Widely praised for its handling, braking, and exhilarating 2-stroke performance during its production run. A beloved model among enthusiasts.