🏷️ Basic Information Identification Make: Aprilia Model: RS250 Year: 1995 Codes Vin Decoder Prefix: ZDA 👋 Introduction Market Position Target Audience: Enthusiast owners and independent mechanics seeking detailed repair information Competitive Analysis Value Proposition: Provides essential DIY repair and maintenance guidance for a sought-after 2-stroke sportbike, saving on dealership costs. Key Features Vehicle Significance: The RS250 is a legendary 2-stroke sportbike, known for its performance and handling, derived from Suzuki RGV250 VJ22 components. Manual Scope: Offers comprehensive coverage enabling owners to maintain and repair their RS250 with confidence. 📋 Manual Details Coverage Areas Language: English Manual Type: Service and Repair Manual Format: Downloadable Digital Format (likely PDF) Page Count Estimated Page Count: 300+ 📖 Manual Coverage Systems Covered Engine: 2-stroke V-twin, including disassembly, assembly, inspection, and tuning Fuel System: Carburetor systems (likely Mikuni TM34), fuel pump, fuel tank, fuel lines Ignition System: CDI ignition, spark plugs, ignition timing Cooling System: Liquid cooling system, radiator, water pump, thermostat Transmission: 6-speed sequential gearbox, clutch assembly, gear shifting mechanisms Chassis Frame: Aluminum twin-spar frame, subframe, geometry specifications Suspension: Front: Upside-down telescopic forks (likely Showa or Marzocchi), adjustable preload, rebound, compression; Rear: Monoshock swingarm, linkage system, adjustable preload, rebound, compression Brakes: Front: Dual hydraulic discs with multi-piston calipers; Rear: Single hydraulic disc with multi-piston caliper, brake fluid specifications Electrical System: Wiring diagrams, battery, alternator, starter motor, lighting, switches, indicators Bodywork Fairings: Disassembly and reassembly of fairings, fuel tank, seat, tail section Exhaust System: Expansion chambers, mufflers, proper installation and sealing Procedures Included Maintenance: Routine checks, lubrication points, chain adjustment, air filter cleaning/replacement, spark plug replacement Troubleshooting: Diagnostic guides for common problems, symptom-based troubleshooting trees Repair: Step-by-step instructions for component disassembly, repair, and reassembly Overhaul: Complete engine and transmission overhaul procedures Adjustments: Carburetor synchronization and jetting, clutch, throttle cable, brake lever adjustments Inspections: Wear limits for engine components, chassis, suspension, and brakes Engine Tuning: Covers jetting adjustments, power valve timing, and basic engine tuning for optimal performance. Technical Depth Depth: Comprehensive, covering routine maintenance to full engine rebuilds Diagnostic Capabilities: Detailed troubleshooting sections for identifying and resolving mechanical and electrical faults Special Tools: Lists and descriptions of specialized tools required for specific procedures Torque Specifications: Provides detailed torque values for critical fasteners, essential for correct assembly. Wiring Diagrams: Includes comprehensive electrical wiring diagrams for diagnosing electrical faults. Manual Completeness Coverage: Full service and repair coverage for the specified model year. 📊 Manual Specifications File Format File Format: PDF Searchable Text: Likely Yes (depending on scan quality) Print Quality Print Quality: Depends on source, but typically aims for clear diagrams and text 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: 7.1:1 (typically) Reed Valve System: Yes Performance Horsepower: Approx. 70 hp @ 11,000 rpm (depending on market and tuning) Torque: Approx. 30 lb-ft @ 10,500 rpm Fuel System Carburetors: 2 x Mikuni TM34SS flat-slide carburetors Fuel Delivery: Oil injection system (automatic premix) and gravity fed fuel Ignition System Ignition Type: Digital CDI (Capacitor Discharge Ignition) Spark Plugs: NGK BR9ES (or equivalent, check manual for exact spec) 🔧 Transmission Standard Transmission Type: 6-speed, constant mesh, sequential Clutch Type: Wet, multi-plate, cable-actuated Features Gear Ratios: Specific ratios covered in manual, crucial for performance tuning Transmission Fluid: Typically 2-stroke engine oil (as part of the engine lubrication system, not separate gearbox oil like 4-strokes) 📐 Dimensions Exterior Length: Approx. 1985 mm Width: Approx. 680 mm Height: Approx. 1110 mm Wheelbase: Approx. 1375 mm Weights Dry Weight: Approx. 140 kg Fuel Tank Capacity: 16 Liters Oil Tank Capacity: 1.3 Liters 🛡️ Safety Features Ratings Safety Standards: Motorcycle safety standards applicable at the time of manufacture Active Features Braking System: Dual front discs and single rear disc provide strong stopping power. Manual covers brake fluid flush and pad replacement. Passive Features Frame Construction: Rigid aluminum frame contributes to stability and handling. 💡 Technology Features Infotainment Dashboard: Analog tachometer, speedometer, odometer, trip meters, temperature gauge, warning lights. Driver Assistance Electronic Aids: None (This is a pure 2-stroke sportbike from the mid-90s, no electronic rider aids like ABS or traction control). 🔧 Maintenance Service Intervals Oil Change Interval: 2-stroke premix oil, requires regular topping up; 2-stroke injection oil reservoir should be checked regularly. Spark Plug Replacement: Recommended every 6,000-10,000 km or as per manual for optimal performance. Air Filter Cleaning: Monthly or every 3,000 km, depending on riding conditions. Fluid Specifications Coolant Type: Ethylene glycol-based coolant, 50/50 mix with distilled water. Brake Fluid: DOT 4 recommended (check manual for specific Aprilia recommendations). 2-Stroke Oil: High-quality 2-stroke synthetic or semi-synthetic oil specifically designed for high-performance liquid-cooled 2-stroke engines. Manual will recommend specific grades. Known Issues Common Wear Items: Power valve operation, reed valve deterioration, carburetor...