🏷️ Basic Information Identification Make: Aprilia Model: RS250 Year: 1994 Generation Generation: First Generation Codes Chassis Code: RS250 Engine Code: Rotax 250 V-Twin 👋 Introduction Market Position Market Position: The Aprilia RS250 was a highly regarded, performance-oriented supersport motorcycle known for its race-derived technology and agile handling. It competed against other 250cc two-stroke performance bikes of the era. Competitive Analysis Competitors: Honda NSR250R, Yamaha TZR250, Suzuki RGV250, Kawasaki KR-1S. The RS250 often stood out for its Suzuki RGV250-derived engine and refined chassis. Key Features Key Features: Lightweight chassis, powerful 250cc two-stroke V-twin engine, sophisticated suspension, strong braking performance, aggressive styling. Manual Purpose Manual Purpose: To provide detailed technical information for the correct servicing, repair, and maintenance of the Aprilia RS250 model year 1994. 📋 Manual Details Coverage Areas Primary Coverage: Complete service, repair, and maintenance for the Aprilia RS250 (1994 model year). Secondary Coverage: Troubleshooting, diagnostics, electrical systems, chassis components, bodywork. Page Count Estimated Page Count: Approximately 300+ pages (typical for comprehensive service manuals of this era). Manual Type Manual Type: Official Factory Service Manual / Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Complete engine overhaul, top-end rebuild (cylinders, pistons, heads, reed valves), bottom-end assembly (crankshaft, bearings, seals), lubrication system, cooling system (radiator, hoses, thermostat). Fuel System: Carburetor tuning and overhaul (Dell'Orto PHBH 28A), fuel pump, fuel lines, fuel tank maintenance. Transmission: Gearbox disassembly and reassembly, clutch service (wet multi-plate), shift mechanism, gear ratios. Electrical: Wiring diagrams, ignition system (CDI, coils, spark plugs), lighting, instrumentation, starter motor, battery maintenance. Brakes: Front and rear brake system overhauls, caliper service, master cylinder rebuild, brake fluid specifications, bleeding procedures. Suspension: Front fork (upside-down) service, rear monoshock (Ohlins or similar, depending on spec) overhaul, spring rates, damping adjustments. Chassis And Frame: Frame inspection, steering head bearing service, swingarm maintenance, wheel bearings. Bodywork And Plastics: Fairing removal and installation, seat, fuel tank, and accessory components. Procedures Included Maintenance: Regular scheduled maintenance, oil changes, filter replacements, spark plug checks, chain adjustment, lubrication points. Troubleshooting: Diagnostic flowcharts for common performance issues, electrical faults, and mechanical failures. Repair: Step-by-step instructions for component disassembly, cleaning, inspection, repair, and reassembly for all major systems. Diagnostics: Fault finding procedures, electrical testing methods, and interpretation of symptoms. Technical Depth Depth: Comprehensive, covering from basic user maintenance to complete engine and chassis rebuilds. Suitable for professional technicians and advanced DIY enthusiasts. 📊 Manual Specifications File Format File Format: PDF Searchable Text: Likely searchable, depending on the quality of the scanned original. Print Quality Print Quality: Digital reproduction quality. Clarity of diagrams and text is crucial. Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, 2-stroke, V-twin Displacement: 249 cc Bore X Stroke: 54.0 mm x 54.5 mm Compression Ratio: 7.9:1 (approx.) Power Delivery: Peak power around 70 HP (51.5 kW) at ~11,000 rpm, often restricted for road use. Torque: Approx. 39 Nm (28.7 lb-ft) at ~10,500 rpm. Cooling System: Liquid-cooled with pressurized radiator and fan. Fuel System Carburetors: 2 x Dell'Orto PHBH 28A (or similar, often specified as 'Suzuki Genuine Parts') Ignition System: Digital CDI (Capacitor Discharge Ignition) Fuel Type: Premium Unleaded Gasoline (95 RON or higher recommended) Oil Mixture: Premix or Autolube system (specified in manual), typically 2-stroke engine oil. 🔧 Transmission Standard Transmission Type: 6-speed sequential manual Clutch: Wet multi-plate clutch Drive Type: Chain drive Features Gear Ratios: Detailed gear ratios provided in manual. Transmission Fluid: Manual will specify recommended transmission oil type and viscosity (e.g., SAE 75W-90 or similar). 📐 Dimensions Exterior Length: Approx. 1,970 mm (77.6 in) Width: Approx. 720 mm (28.3 in) Height: Approx. 1,125 mm (44.3 in) Wheelbase: Approx. 1,375 mm (54.1 in) Weights Dry Weight: Approx. 142 kg (313 lbs) Wet Weight: Approx. 150 kg (331 lbs) Fuel Capacity: Approx. 16 liters (4.2 US gal) 🛡️ Safety Features Ratings Safety Ratings: N/A (Motorcycles are not typically rated by crash safety organizations in the same manner as cars). Active Features Braking System: Dual front discs (e.g., 320mm) with 4-piston calipers, single rear disc with 2-piston caliper. ABS was not a standard feature on this model. Passive Features Lighting: Halogen headlight, taillight, and turn signals. 💡 Technology Features Infotainment Infotainment System: N/A (This is a 1994 performance motorcycle; no advanced infotainment systems. Engine Management Engine Management Features: Digital CDI ignition control, power valve system for optimized torque across the rev range. 🔧 Maintenance Service Intervals Oil Change Interval: Refer to manual for specific mileage/time intervals for engine oil and gearbox oil. Spark Plug Check: Recommended at regular intervals as per manual (e.g., every 3,000-5,000 km). Chain Maintenance: Lubrication and adjustment at frequent intervals, especially under spirited riding conditions. Top End Rebuild Interval: Varies significantly with usage, but professional guidance is usually around 20,000-30,000 km for a performance...