🏷️ Basic Information Identification Make: Aprilia Model: RS250 Year: 1997 Codes Chassis Code: ZPBA 👋 Introduction Market Position Positioning: High-performance, lightweight supersport motorcycle Competitive Analysis Key Rivals: Suzuki RGV250, Yamaha TZR250 Key Features Engine Platform: Suzuki RG250 Gamma derived V-twin Handling: Renowned for agile and precise handling characteristics Design: Aggressive styling and aerodynamic fairings Manual Purpose Purpose: To empower owners and technicians with the knowledge to maintain and repair the Aprilia RS250 📋 Manual Details Coverage Areas Primary Focus: Service and Repair Scope: Comprehensive All Service Repair Page Count Estimated Pages: 300+ Manual Type Type: Service & Repair Manual Language Language: English Format Format: Downloadable (PDF) 📖 Manual Coverage Systems Covered Engine Mechanical: Full overhaul, timing, lubrication, cooling Fuel System: Carburetor tuning (Dell'Orto PHBH 28), fuel pump, lines Ignition System: CDI, spark plugs, wiring Transmission: Clutch, gearbox, chain drive maintenance Brakes: Hydraulic system, caliper service, disc inspection, bleeding procedures Suspension: Front forks (Showa USD), rear shock absorber, linkage maintenance Electrical System: Wiring diagrams, battery, lighting, starter, charging system Frame And Bodywork: Chassis inspection, fairing removal/installation, seat Procedures Included Routine Maintenance: Oil changes, chain adjustment, air filter cleaning, spark plug replacement Troubleshooting: Diagnostic charts for common problems Major Repairs: Engine rebuild, gearbox overhaul, suspension fork rebuild Inspections: Pre-ride checks, component wear assessment Special Tools: Identification and usage of required special tools Carburetor Tuning: Detailed steps for cleaning, adjustment, and re-jetting for different altitudes and conditions Suspension Adjustment: Information on adjusting pre-load, compression, and rebound damping Power Valve Maintenance: Instructions for cleaning and servicing the exhaust power valve system Technical Depth Depth: Complete service and repair, from basic maintenance to full engine rebuilds 📊 Manual Specifications File Format File Type: PDF Searchability: Text-searchable (OCR) Print Quality Image Resolution: High-resolution for clear diagrams and text Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) Completeness Completeness Level: Comprehensive, covering all aspects of service and repair ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, 2-stroke, V-twin Displacement: 249.2 cc Bore X Stroke: 54 mm x 54.5 mm Compression Ratio: 7.2:1 Valvetrain: Reed valve induction Power Delivery: Strong mid-range and top-end powerband Performance Horsepower: 70 hp (51.5 kW) @ 11,000 rpm (approx.) Torque: 3.9 kg-m @ 10,500 rpm (approx.) Fuel System Carburetor: 2 x Dell'Orto PHBH 28 (or Mikuni TMX30 in some markets) Fuel Type: Unleaded gasoline (95 octane or higher recommended) Lubrication Oil System: Automatic oil injection with separate oil reservoir Cooling System Cooling Method: Liquid-cooled 🔧 Transmission Standard Transmission Type: 6-speed constant mesh Clutch Type: Wet multi-plate Features Gear Ratios: Specific ratios detailed in manual Final Drive: O-ring sealed chain, 520 pitch Fluid Specifications Gearbox Oil: API GL-4, SAE 80W/90 (refer to manual for exact type) 📐 Dimensions Exterior Length: Approx. 1970 mm Width: Approx. 720 mm Height: Approx. 1140 mm Wheelbase: Approx. 1360 mm Weights Dry Weight: Approx. 140 kg Fuel Tank Capacity: 16 Liters Oil Tank Capacity: 1.7 Liters 🛡️ Safety Features Ratings Safety Classification: Sportbike (rider skill dependent) Active Features Braking System: Dual front discs, single rear disc Front Brakes: 2 x 320mm discs, 4-piston calipers (e.g., Nissin) Rear Brakes: 1 x 240mm disc, 2-piston caliper Tires: 120/70ZR17 front, 160/60ZR17 rear Passive Features Lighting: Dual headlights, LED tail light 💡 Technology Features Infotainment Display: Analog tachometer and speedometer Features: Basic instrumentation, rider-focused cockpit Driver Assistance Assistance Systems: None (basic motorcycle electronics) 🔧 Maintenance Service Intervals Oil Change Interval: Every 4,000 km or annually (refer to manual for exact) Spark Plug Replacement: Every 6,000 km or as needed (refer to manual for type and gap) Chain Lubrication: Every 500-1000 km and after washing/rain Air Filter Cleaning: Every 3,000 km or as needed based on conditions Fluid Specifications Engine Oil Type: 2-stroke, JASO FD or API TC rated synthetic oil (specific Aprilia recommendations in manual) Coolant Type: Ethylene glycol-based antifreeze (50/50 mix with distilled water) Known Issues Common Problems: Cylinder wear (especially with poor jetting), power valve sticking, carburetor jetting sensitivity, gearbox wear at high mileage Maintenance Emphasis: Proper fuel/oil mixture, regular decarbonizing, correct carburetor jetting are crucial for longevity 📚 Vehicle History Brand Heritage Manufacturer Origin: Italy Model Evolution Development Basis: Based heavily on Suzuki's RGV250 platform, with Aprilia chassis and tuning Production Production Years: 1995-2004 Market Segment: Lightweight two-stroke supersport 🏆 Awards & Recognition Recognitions Market Perception: Highly regarded for performance and handling by enthusiasts Ratings Enthusiast Reviews: Often cited as one of the best handling 250cc two-strokes of its era