🏷️ Basic Information Identification Make: Aprilia Model: RS125 Generation: RP/RJ (Rotax 122) Applicable Years: 1999-2003 Codes Engine Code: Rotax 122 👋 Introduction Market Position Vehicle Segment: Lightweight, sporty 125cc two-stroke motorcycle, popular in the supersport category for younger riders and enthusiasts. Competitive Analysis Competitors: Yamaha YZF-R125, Honda CBR125R, Suzuki GSX-R125 (though often in later generations), Kawasaki Ninja 125. Key Features Design Philosophy: Aggressive supersport styling, capable 125cc two-stroke engine delivering spirited performance for its class, lightweight and agile handling. Manual Value User Benefit: Essential for owners and technicians to identify, order, and understand the assembly of genuine Aprilia RS125 parts for maintenance and repair. Facilitates accurate part sourcing and reduces errors during component replacement. 📋 Manual Details Coverage Areas Primary Coverage: Parts Diagram Exploded Page Count Number Of Pages: 86 Manual Type Type: Parts Catalog / Diagram Manual Language Language: English (implied by product description terminology) Format File Format: PDF File Size Consideration: Recommended to use a download manager for potentially larger PDF files to prevent timeouts, indicating a comprehensive and detailed document. 📖 Manual Coverage Systems Covered Chassis And Frame: Frame, central stand, front/rear footrests, front fork, swing arm, rear shock absorber Bodywork And Fairings: Front body I & II, central body, saddle unit, rear body I & II, decals, plate set Fuel And Air System: Fuel tank, air box, oil tank, carburettor I, II, III, carburettor flange Engine And Drivetrain: Engine, exhaust unit, crankcase, water pump assy, crankshaft - balance shaft, cylinder - head - piston, cylinder - exhaust valve, transmission, grip shift, clutch, clutch cover, oil pump, ignition unit Wheels And Brakes: Front wheel, rear wheel, rear brake pump, rear brake caliper Electrical And Lighting: Dashboard, RH controls, LH controls, water cooler, lights, electrical system I & II Miscellaneous: Lock hardware kit, handbook (referenced) Procedures Included Part Identification: Identification of all components and their assembly relationships through exploded diagrams. Assembly Guidance: Visual guidance for the correct order and placement of parts during assembly or disassembly. Technical Depth Depth: Component-level visualization, suitable for part identification, ordering, and understanding of assembly structure. Does not contain detailed repair procedures or torque specifications, but forms the basis for them. Diagram Detail: Highly detailed exploded views that break down complex assemblies into individual components, illustrating how they fit together. 📊 Manual Specifications File Format Quality: PDF format, typically vector-based for clarity of diagrams. Searchable by chapter or section title. Search Functionality: Supports PDF bookmarks for easy navigation between diagram sections, enabling efficient searching for specific components. Print Quality Printability: PDF is printable, allowing users to print specific pages or the entire manual. Binding Type Digital Binding: Digital file, no physical binding. Paper Type Digital Paper: Digital PDF, equivalent to high-quality paper for visual clarity. ⚙️ Engine Specifications Primary Engine Type: Two-stroke, single-cylinder, liquid-cooled Bore X Stroke: 54 mm x 54.5 mm Displacement: 124.8 cc Compression Ratio: 12.5:1 (typical for this era) Ignition System: Electronic ignition (CDI) Cooling System: Liquid-cooled with radiator and fan. Valve System: Reed valve induction, exhaust valve (power valve) controlled by mechanical or electronic actuator. Performance Horsepower: Approx. 30-34 HP (depending on market restrictions and specific tuning) Torque: Approx. 20-22 Nm (depending on specific tuning) Fuel System Carburetor: Dell'Orto PHBH 28 (typical, can vary by market/year) Fuel Type: Unleaded gasoline (min. 95 RON recommended) Lubrication: Pre-mix or separate oil injection system (Autolube) 🔧 Transmission Standard Type: 6-speed constant mesh, chain drive Features Clutch: Wet multi-plate Gear Ratios: Specific ratios would be detailed in a full service manual, but designed for sporty acceleration. 📐 Dimensions Exterior Length: Approx. 1950 mm (varies slightly by year) Width: Approx. 700 mm Height: Approx. 1050 mm Weights Dry Weight: Approx. 120-130 kg (varies by year and specific components) Fuel Tank Capacity: Approx. 14 Litres 🛡️ Safety Features Ratings Classification: Not subject to traditional crash test ratings like cars; safety is inherent in design and braking systems. Active Features Braking System: Front: Single disc brake, typically 320mm with 4-piston caliper. Rear: Single disc brake, typically 220mm with 2-piston caliper. Suspension: Front: Telescopic fork (e.g., Marzocchi or Paioli), adjustable preload or damping on some models. Rear: Monoshock (e.g., Sachs or Paioli), adjustable preload and rebound damping. Passive Features Frame Construction: Aluminum twin-spar frame for rigidity and light weight. 💡 Technology Features Infotainment Dashboard Features: Analog tachometer, speedometer, odometer, trip meter, coolant temperature gauge, warning lights (oil, neutral, high beam). Driver Assistance Rider Aids: No electronic rider aids like ABS or traction control on this generation. Focus is on rider skill and mechanical feedback. Connectivity Electronic Features: Basic electrical system for ignition, lighting, and instrumentation. No advanced electronic controls or connectivity. 🔧 Maintenance Service Intervals Oil Change: Refer to full service manual, but typically 3,000-5,000 km for transmission oil, 2-stroke oil tank refilled as needed. Spark Plug: Regular inspection and replacement, typically every 5,000-10,000 km, depending on...