🏷️ Basic Information Identification Make: Aprilia Model: RS 250 Generation Generation: MK1 (RGV Gamma based) Generation Years: 1995-1997 Generation Codes: AP05W0, AP05W1 👋 Introduction Market Position Segment: Lightweight 2-stroke supersport motorcycle Target Audience: Enthusiasts seeking performance, handling, and the unique experience of a high-revving 2-stroke Competitive Analysis Key Competitors: Yamaha YZF-R250 (TZR250), Honda CBR250RR (MC21/MC28), Suzuki RGV250 Key Features Engine Layout: V-twin, 2-stroke Performance Focus: High power-to-weight ratio, sharp handling, strong track performance Heritage: Derived from Suzuki RGV250 Gamma technology, known for its racing pedigree 📋 Manual Details Coverage Areas Coverage Type: Comprehensive Service, Repair, and Workshop Manual Page Count Page Count: Estimated 400+ pages (typical for this era of comprehensive manuals) Manual Type Manual Type: Factory Service Manual (FSM) / Workshop Manual Language Language: English Format Format: Digital (likely PDF, often provided as a printable download) 📖 Manual Coverage Systems Covered Engine: Full engine disassembly, assembly, tuning, troubleshooting, internal components, cooling system Fuel System: Carburetor tuning and overhaul (Mikuni VM28SS), fuel tank, fuel lines, fuel pump Ignition System: Ignition timing, CDI unit, spark plugs, wiring diagrams Transmission: Gearbox inspection, repair, clutch assembly, shift mechanism Chassis Suspension: Front forks (conventional or upside-down depending on year/variant), rear shock absorber, swingarm, steering head bearings Brakes: Front and rear brake system overhaul, master cylinders, calipers, brake lines, disc replacement Electrical System: Complete wiring diagrams, lighting system, battery, charging system, starter motor, switches Bodywork Fairings: Fairing removal and installation, seat, fuel tank, body panel fasteners Cooling System: Radiator, hoses, water pump, coolant specifications Exhaust System: Exhaust pipe and silencer maintenance, specific 2-stroke considerations Procedures Included Scheduled Maintenance: Detailed routine maintenance schedules and procedures Troubleshooting: Diagnostic flowcharts and common problem identification for engine, electrical, and chassis issues Engine Rebuild: Complete engine overhaul procedures, including piston replacement, cylinder honing, crankshaft inspection Carburetor Adjustment: Step-by-step guides for synchronizing and tuning Mikuni VM28SS carburetors Suspension Setup: Fork oil change procedures, spring preload adjustments, damping adjustments Brake Bleeding: Proper procedures for bleeding brake systems Electrical Diagnostics: Testing of ignition coils, regulators, and other electrical components Clutch Replacement: Step-by-step guide for clutch plate replacement Technical Depth Depth Level: Factory-level detail suitable for professional mechanics and experienced enthusiasts Diagnostic Capabilities: In-depth fault finding for all major systems, including electrical gremlins common in older sportbikes Special Tools: Identification and usage of specific Aprilia or Suzuki specialized tools required for certain tasks 📊 Manual Specifications File Format Digital Format: PDF Print Quality Resolution: High-resolution scans, ensuring clarity of diagrams and text Searchable: Yes (if OCR processed), allowing for quick keyword searches Binding Type Binding: N/A (Digital Format) Paper Type Paper Quality: N/A (Digital Format) Completeness Completeness Claim: Complete, no missing pages, all sections present ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, 2-stroke, 90-degree V-twin Displacement: 249 cc (249.2 cc) Bore X Stroke: 54.0 mm x 54.5 mm Compression Ratio: 7.1:1 (typical, may vary slightly) Power Output: Approx. 70-72 HP @ 11,000 RPM (European/Japanese spec, often restricted in other markets) Torque: Approx. 38-40 Nm @ 10,500 RPM Power Delivery: Aggressive, peaky powerband characteristic of 2-stroke sportbikes Fuel System Carburetors: Twin Mikuni VM28SS Fuel Induction: Reed valve induction, ACV (Automatic Control Valve) system for optimized power across RPM range Fuel Type: Unleaded gasoline (95 RON or higher recommended) Oil System: Premixed fuel/oil or separate oil injection system (depending on market/variant) 🔧 Transmission Standard Gearbox: 6-speed constant mesh Clutch: Wet, multi-plate Features Gear Ratios: Specific gear ratios detailed in the manual (e.g., 1st: 2.538, 2nd: 1.818, 3rd: 1.478, 4th: 1.272, 5th: 1.090, 6th: 0.916) Final Drive: Chain drive (520 pitch typical) 📐 Dimensions Exterior Length: Approx. 2020 mm Width: Approx. 710 mm Height: Approx. 1135 mm Wheelbase: Approx. 1380 mm Weights Dry Weight: Approx. 130-135 kg (depending on market and equipment) Wet Weight: Approx. 147-150 kg Fuel Capacity: Approx. 16 liters 🛡️ Safety Features Ratings Crash Safety: N/A (Motorcycle safety is typically assessed via handling, braking, and rider aids rather than crash test ratings) Active Features Braking System: Dual front disc brakes (e.g., 310mm discs with 2-piston calipers), single rear disc brake (e.g., 220mm disc with 1-piston caliper) Suspension Stability: Race-derived chassis and suspension geometry for high-speed stability and cornering precision Passive Features Lighting: Halogen headlight, taillight, turn signals Frame Construction: Aluminum twin-spar frame for rigidity and light weight 💡 Technology Features Infotainment Display: Analog instrument cluster with tachometer and speedometer. Driver Assistance ABS: Not equipped on most factory models. Connectivity Charging Port: No integrated USB or charging ports; typically requires aftermarket installation. 🔧 Maintenance Service Intervals Oil Change: Every 3,000-5,000 km or annually (for gearbox oil), 2-stroke oil injection tank refill as needed. Spark Plug Replacement: Every 6,000-10,000 km (NGK BR9EG or equivalent recommended) Air Filter Cleaning: Every 3,000-5,000 km Chain Lubrication Adjustment: Every 500-1,000 km Fluid Specifications Engine Oil: High-quality 2-stroke synthetic oil (e.g., Motul 800 2T, Castrol TTS) for oil injection or...