🏷️ Basic Information Identification Make: Aprilia Model: RS 250 Year: 1998 Segment: Sportbike / Supersport Platform: Derived from the Suzuki RGV250 👋 Introduction Market Position Market Positioning: High-performance two-stroke sportbike, targeting enthusiasts seeking track-day capability and spirited road riding. Positioned as a premium, race-derived machine. Competitive Analysis Key Competitors: Yamaha YZF-R250, Honda NSR250R, Suzuki RGV250, Kawasaki KR-1S. Key Features Unique Selling Points: V-twin two-stroke engine, advanced chassis derived from race technology, aggressive styling, potent performance for its displacement class. 📋 Manual Details Coverage Coverage Areas: Comprehensive coverage of all workshop procedures, engine, fuel and lubrication system, cooling system, electrical system, chassis, servicing, and updates. Pagination Page Count: Undetermined (as the exact number of pages in the PDF is not specified, but described as 'complete' and 'packed with all the information'). Type Manual Type: Factory Service Repair Manual Language Language: English (assumed based on product description, typical for official service manuals targeted at international markets). Format Format: PDF 📖 Manual Coverage Systems Systems Covered: Engine, Fuel System, Lubrication System, Cooling System, Electrical System (including wiring diagrams), Chassis (including suspension, brakes, steering), Frame, Bodywork, Wheels, Tires. Procedures Procedures Included: Engine overhaul, carburetor tuning, fuel system maintenance, cooling system bleeding and flushing, electrical system diagnostics, brake caliper servicing, suspension adjustments, wheel bearing replacement, tire mounting, general tune-up procedures, periodic maintenance, troubleshooting. Depth Technical Depth: Detailed step-by-step diagrams and instructions for all workshop procedures, including torque settings, fluid capacities, and diagnostic information. 📊 Manual Specifications File Characteristics File Format Details: PDF; requires Adobe PDF Reader and WinZip for extraction/viewing. Supports zoom in/out functionality. Printability Printable Pages: Implied (standard for service manuals, though not explicitly stated). Digital Features Searchable Text: Likely searchable if the PDF was created from an OCR-scanned document, but not guaranteed from description. Compatibility Operating Systems: Compatible with all versions of Windows and Mac. ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, 2-stroke, V-twin Displacement: 249 cc (249.3 cc) Bore X Stroke: 54.0 mm x 54.5 mm Compression Ratio: 7.9:1 (approx.) Power Output: Approx. 70 hp (52 kW) @ 11,000 rpm (varies by market and tuning) Torque: Approx. 3.9 kgf-m (38 Nm / 28 lb-ft) @ 10,500 rpm (varies by market and tuning) Fuel System Fuel Delivery: Carbureted Carburetors: 2 x Mikuni TM34SS flat-slide carburetors Fuel Type: Unleaded gasoline (min. 95 RON recommended) Lubrication System Lubrication Type: Premix or Auto-lube (Oil Injection System) Engine Management Ignition: Digital CDI with electronic advance Cooling System Cooling Method: Liquid-cooled 🔧 Transmission Standard Transmission Type: 6-speed constant mesh Clutch: Wet, multi-plate Features Gear Ratios: Specific gear ratios would be detailed in the manual. Drivetrain Final Drive: Chain drive 📐 Dimensions Exterior Length: Approx. 2000 mm (78.7 in) Width: Approx. 710 mm (28.0 in) Height: Approx. 1135 mm (44.7 in) Weights Dry Weight: Approx. 142 kg (313 lbs) Wet Weight: Approx. 160 kg (352.7 lbs) Fluids Fuel Capacity: 16 Liters (4.2 US gal) Oil Capacity Autolube: Approx. 1.5 Liters (for the oil injection system reservoir) Coolant Capacity: Specific capacity to be found in manual, likely around 1.0-1.2 Liters. 🛡️ Safety Features Ratings Safety Ratings: Not applicable for motorcycles in the same way as cars. Active Features Braking System: Dual 320mm discs with 4-piston calipers (front), Single 220mm disc with 2-piston caliper (rear). Suspension Front: Telescopic fork, adjustable preload and rebound damping (specifics vary by sub-model/market). Suspension Rear: Monoshock with adjustable preload and rebound damping. Passive Features Lighting: Halogen headlight, LED taillight (typical for the era). Tires Front: 120/60 R17 Tires Rear: 160/60 R17 Wheels: 3-spoke aluminum alloy wheels. 💡 Technology Features Infotainment Infotainment Features: Basic analog instrumentation (tachometer, speedometer, coolant temperature gauge). Driver Assistance Rider Aids: None (ABS, traction control were not common on 2-stroke sportbikes of this era). 🔧 Maintenance Service Intervals Oil Change Interval: Specific intervals for engine oil (if applicable for gearbox oil) and auto-lube oil reservoir to be detailed in the manual. Spark Plug Replacement: Recommended interval around 5,000-10,000 km or as per manual. Likely uses NGK BR9EG or similar. Chain And Sprockets: Regular cleaning, lubrication, and tension adjustment, replacement based on wear. Fluid Specifications Engine Oil Type: Full synthetic 2-stroke racing oil for auto-lube system; specific grade (e.g., SAE 10W-30 for gearbox if separate) to be detailed in the manual. Coolant Type: Mixture of ethylene glycol-based antifreeze and distilled water (50:50 ratio recommended). Brake Fluid: DOT 4 or DOT 5.1, as specified by Aprilia. Known Issues Common Wear Items: Exhaust power valves (carbon buildup), clutch plates, gearbox components (due to high-performance nature), front fork seals, carburetor synchronization. Two Stroke Specifics: Regular decarbonization of exhaust ports and power valves is crucial for optimal performance and longevity. 📚 Vehicle History Brand Heritage Brand Origins: Aprilia is an Italian manufacturer with a strong racing pedigree, particularly in smaller displacement classes. Model Evolution Development Basis: The Aprilia RS 250 was developed in conjunction with Suzuki, utilizing...