🏷️ Basic Information Identification Make: Aprilia Model: RS250 Model Designation: RS 250 Vehicle Type: Sportbike Motorcycle Generation Generations Covered: Likely covers early to late production models of the RS250, potentially including MK1 and MK2 variations, depending on the specific publication date of the manual. Codes Engine Code Example: Rotax 257 (a common designation for the engine series) 👋 Introduction Market Position Market Position: The Aprilia RS250 was a highly regarded, high-performance two-stroke sportbike in its era, positioned as a premium offering for enthusiasts seeking track-day capability and aggressive styling. It competed with other 250cc two-stroke sportbikes known for their agility and power. Competitive Analysis Competitive Analysis: Competed fiercely with models like the Yamaha YZF-R25 (though R25 is a later model, the direct competition was other potent 250cc two-strokes of its time such as the Suzuki RG250 Gamma and Honda NSR250). The RS250 stood out for its advanced chassis and potent Rotax engine. Key Features Key Features: Lightweight chassis, potent V-twin two-stroke engine, aggressive sportbike styling, capable suspension and braking components, track-day performance focus. 📋 Manual Details Coverage Areas Coverage Areas: Comprehensive coverage for all aspects of Aprilia RS250 motorcycle operation, maintenance, and troubleshooting. Page Count Page Count: Not explicitly stated, but described as 'COMPLETE', implying extensive detail. Manual Type Manual Type: Owner's Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Systems Covered: Engine, Fuel System, Ignition System, Cooling System, Lubrication System, Transmission, Clutch, Chassis, Suspension (Front and Rear), Brakes (Front and Rear), Electrical System, Lighting, Instrumentation, Controls, Bodywork, Wheels and Tires, Exhaust System. Procedures Included Procedures Included: Pre-ride inspection, Routine maintenance (oil changes, filter replacements, chain adjustment, spark plug checks), Tire pressure checks and adjustments, Brake system checks and adjustments, Coolant checks and replenishment, Lubrication points, Basic electrical troubleshooting, Carburetor adjustment, Air filter cleaning/replacement, Chain and sprocket maintenance, Winter storage procedures, Battery maintenance, Suspension adjustments, Chassis lubrication, Torque specifications for critical fasteners, Diagnostic procedures for common issues, Safe operating practices. Technical Depth Technical Depth: Detailed step-by-step instructions with numerous pictures and diagrams, suitable for owners of all skill levels performing DIY maintenance and minor repairs. Likely includes diagnostic information for common problems. 📊 Manual Specifications File Format File Format: PDF Print Quality Print Quality: Printable pages, allowing users to print specific sections or the entire manual as needed. High-quality reproductions of original diagrams. Binding Type Binding Type: Digital Download (PDF) - No physical binding. Printable for local binding. Paper Type Paper Type: N/A (Digital Format) - Printable on standard paper types. ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, 90° V-twin, 2-stroke Engine Displacement: 249.2 cc (15.2 cu in) Bore X Stroke: 54 mm x 54.5 mm Compression Ratio: Approximately 7.4:1 (subject to specific model year and tuning) Power Output: Around 70-73 hp (51-54 kW) at 11,000 rpm (claimed, may vary by market and specific model year) Torque: Around 28.5-29.5 lb-ft (38.6-40 Nm) at 10,500 rpm (claimed, may vary) Valvetrain: APEC (Aprilia Performance Exhaust Control) or similar electronic exhaust power valve system Performance Top Speed: Exceeds 140 mph (225 km/h) Acceleration 0 60Mph: Approximately 3.5 - 4.0 seconds Fuel System Carburetors: Twin 34mm Dell'Orto PHBH or similar flat-slide carburetors Fuel Type: Premium Unleaded Gasoline (95-98 RON) Fuel Injection: Not applicable (Carbureted) Oil System: Premix or Automatic Oil Injection (depending on model variant and market) 🔧 Transmission Standard Transmission Type: 6-speed manual Clutch Type: Wet, multi-plate clutch Features Gear Ratios: Specific ratios are detailed in the manual, essential for performance tuning and maintenance. Final Drive: Chain drive 📐 Dimensions Exterior Length: Approximately 77.6 inches (1970 mm) Width: Approximately 27.6 inches (700 mm) Height: Approximately 43.7 inches (1110 mm) Wheelbase: Approximately 54.5 inches (1385 mm) Weights Dry Weight: Approximately 304 lbs (138 kg) Wet Weight: Approximately 340 lbs (154 kg) (estimated with fluids) Fuel Capacity: Approximately 4.5 gallons (17 liters) 🛡️ Safety Features Ratings Safety Ratings: Motorcycle safety is primarily dependent on rider skill and adherence to operating procedures. The manual details safe operation and maintenance of safety-critical systems. Active Features Active Features: High-performance braking system (dual front discs, single rear disc), Agile chassis geometry for evasive maneuvers, Proper tire selection and maintenance are critical for active safety. Passive Features Passive Features: Robust frame construction, rider protection through proper seating and control ergonomics. 💡 Technology Features Infotainment Infotainment: N/A - This is a performance sportbike from the mid-to-late 90s; infotainment systems were not a feature. Driver Assistance Driver Assistance: N/A - No electronic driver assistance systems like ABS, traction control, or riding modes were present on this model. Connectivity Connectivity: N/A - No external connectivity features. 🔧 Maintenance Service Intervals Service Intervals: Detailed in the manual, typically including: Oil change every 3,000-4,000 miles (5,000-6,000 km) or annually; Chain lubrication and adjustment every 500-1,000 miles (800-1,500 km); Spark plug inspection/replacement every 6,000-8,000 miles (10,000-12,000 km); Air filter cleaning/replacement as...