🏷️ Basic Information Identification Make: Aprilia Model: RS125 Year: 2000 Codes Model Code: RP 👋 Introduction Market Position Market Segment: Lightweight, performance-oriented sport motorcycle Target Audience: Enthusiast riders, aspiring racers, and owners seeking in-depth maintenance knowledge. Competitive Analysis Competitors: Yamaha YZF-R125, Honda CBR125R, Suzuki GSX-R125 (though some of these models may be later iterations) Key Features Vehicle Strengths: Agile handling, strong performance for its class, sporty aesthetics, capable track day machine. Manual Value Proposition: Provides the technical expertise needed to maintain and repair the Aprilia RS125 to factory standards, extending its lifespan and preserving performance. 📋 Manual Details Coverage Areas Systems Covered: Engine, Transmission, Chassis, Electrical System, Fuel System, Cooling System, Braking System, Suspension, Bodywork, Troubleshooting, Maintenance Schedules, Technical Data Page Count Estimated Pages: 300+ Manual Type Type: Service Repair Workshop Manual Language Language: English Format Format: Digital (likely PDF, though not explicitly stated, this is standard for workshop manuals) 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed breakdown and assembly of engine components, piston, rings, cylinder, crankshaft, connecting rod, bearings, valve timing, compression checks. Fuel System: Carburetor (Dell'Orto PHBH 28) adjustment, cleaning, jetting, fuel pump, fuel lines, fuel tank. Cooling System: Radiator, coolant flow, water pump, thermostat, hoses, bleed procedures. Ignition System: CDI unit, ignition coil, spark plug specifications, timing adjustments, stator and rotor inspection. Transmission Drivetrain: Clutch operation, gearbox disassembly and assembly, gear selection mechanism, chain and sprocket wear checks and replacement. Chassis Frame: Frame inspection, steering head bearing adjustment and replacement, swingarm maintenance. Suspension Front: Front fork disassembly, seal replacement, oil level and viscosity specifications, spring preload adjustment. Suspension Rear: Monoshock absorber inspection, linkage lubrication, spring and damping adjustments. Braking System: Hydraulic brake system bleeding, pad inspection and replacement, caliper service, master cylinder maintenance, disc inspection. Electrical System: Wiring diagrams, lighting system, battery maintenance, starter motor, charging system (alternator), fuses, horn, indicators. Bodywork Fairings: Fairing removal and installation, seat, fuel tank, fenders. Procedures Included Preventive Maintenance: Oil change intervals, spark plug replacement, air filter cleaning/replacement, chain lubrication and adjustment, brake fluid flush, coolant checks. Troubleshooting: Diagnostic procedures for common running issues, electrical faults, starting problems, and performance degradation. Engine Rebuild: Comprehensive step-by-step instructions for engine overhauls, including torque specifications for critical fasteners. Suspension Service: Detailed fork and shock absorber servicing, including fluid types and quantities. Carburetor Tuning: Step-by-step guidance on adjusting and rebuilding the carburetor for optimal performance. Electrical Diagnostics: Guidance on using multimeters, checking continuity, and diagnosing electrical faults using wiring diagrams. Technical Depth Depth: Comprehensive, covering basic maintenance to complete engine and chassis rebuilds. Suitable for both amateur mechanics and professional workshops. 📊 Manual Specifications File Format File Format: PDF (Assumed, industry standard for digital manuals) Print Quality Print Quality: High resolution for clear diagrams and text (assumed for digital manual) Binding Type Binding Type: N/A (Digital format) Paper Type Paper Type: N/A (Digital format) ⚙️ Engine Specifications Primary Engine Engine Type: Two-stroke, single-cylinder, liquid-cooled Displacement: 124.8 cc (125cc class) Bore X Stroke: 54 mm x 54.5 mm Compression Ratio: 8.6:1 (typical, may vary slightly) Power Delivery: Rotary valve induction, expansion chamber exhaust system for optimized two-stroke powerband. Performance Horsepower: Approx. 30-34 HP (varies by market regulations and tuning) Torque: Approx. 20-22 Nm Fuel System Carburetor Model: Dell'Orto PHBH 28 AS Fuel Type: Unleaded gasoline (RON 95 or higher recommended) Oil Mixing: Automatic oil injection system (separate oil reservoir). 🔧 Transmission Standard Gearbox Type: 6-speed sequential constant mesh Clutch Type: Wet multi-plate, cable-actuated Features Gear Ratios: Specific ratios detailed within the manual, crucial for performance tuning. Final Drive: Chain drive, 12/42 sprockets (typical, may vary). 📐 Dimensions Exterior Length: Approx. 1950 mm Width: Approx. 720 mm Height: Approx. 1110 mm Wheelbase: Approx. 1345 mm Weights Dry Weight: Approx. 131 kg Gross Vehicle Weight Rating: Approx. 290 kg Fuel Tank Capacity: 7.5 Liters (including 1.5 Liter reserve) 🛡️ Safety Features Ratings Safety Standards: Meets relevant European motorcycle safety standards of its era. Active Features Braking System Type: Front: Disc brake, Rear: Disc brake. Hydraulic actuation. Tire Size Front: 110/70-17 Tire Size Rear: 150/60-17 Passive Features Lighting: Halogen headlight, LED tail light (typical). Frame Design: Aluminum alloy twin-spar frame for rigidity and light weight. 💡 Technology Features Infotainment Dashboard: Analog tachometer, speedometer, odometer, trip meter, coolant temperature warning light, oil level warning light. Driver Assistance ABS: Not typically equipped on the 2000 model year. Connectivity Connectivity Features: None (basic mechanical motorcycle). 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000 km or annually. Manual specifies detailed procedure. Spark Plug Replacement: Every 5,000 km. Manual provides specific gap and type. Air Filter Cleaning: Every 3,000 km. Manual details cleaning and re-oiling procedure. Chain Maintenance: Lubricate every 500 km, adjust tension as needed. Manual provides correct tension specification. Fluid Specifications Engine Oil: API TC, JASO FD certified two-stroke engine oil (for oil injection). Coolant: Mixture of 50% ethylene glycol-based...