🏷️ Basic Information Identification Make: Aprilia Model: RS125 Production Years Covered: 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002 Codes Engine Code General: Rotax 122 (typically) - specific codes vary by year/market 👋 Introduction Market Position Vehicle Segment: Lightweight sportbike / 125cc performance motorcycle. Competitive Analysis Key Competitors Era: Yamaha YZF-R125 (later), Honda CBR125R (later), Cagiva Mito, Derbi GPR125. Key Features Vehicle Appeal: Known for its aggressive styling, sporty handling, two-stroke performance, and track-bike aesthetics, offering a premium experience in the 125cc class. 📋 Manual Details Coverage Areas Manual Coverage Scope: Comprehensive workshop repair, maintenance, diagnostics, and troubleshooting for all aspects of the Aprilia RS125 (1993-2002). Page Count Estimated Page Count: Likely 300-500+ pages (typical for comprehensive service manuals of this era/scope) Manual Type Manual Classification: Service Repair Manual / Workshop Manual Language Language Of Manual: English Format Delivery Format: Digital Download (PDF) 📖 Manual Coverage Systems Covered Engine And Powertrain: Engine assembly/disassembly, cylinder head, valve train, piston, crankshaft, primary drive, clutch, gearbox (transmission), shift linkage, crankcase. Chassis And Suspension: Front wheel, front suspension (forks), rear wheel, rear suspension (shock absorber, swingarm). Brakes And Controls: Hydraulic brake system (front and rear), brake levers, pedals, calipers, master cylinders. Electrical System: Battery, charging system (alternator, regulator/rectifier), ignition system (CDI, coil, spark plug), electric starter motor, switches, wiring diagrams. Fuel And Exhaust: Fuel system (carburetor – likely Dell'Orto or similar, fuel pump if applicable, fuel lines), exhaust system. Lubrication And Fluids: Lubrication points, oil specifications, fluid capacities (coolant, brake fluid, gearbox oil). Frame And Bodywork: Includes procedures for fairing removal/installation, frame inspection, and related components. Cooling System: Radiator, coolant hoses, water pump, thermostat – diagnosis and repair. Procedures Included Routine Maintenance: Oil changes, filter replacements, chain adjustment, spark plug checks, coolant checks, brake fluid replacement, general inspection and adjustment. Major Repairs And Rebuilds: Engine rebuilds (top-end and bottom-end), gearbox overhauls, suspension fork servicing, brake system repairs, electrical system troubleshooting and component replacement. Diagnostics And Troubleshooting: Step-by-step diagnostic procedures for common problems, troubleshooting charts based on symptoms. Electrical Diagrams: Detailed wiring diagrams for the entire motorcycle, enabling troubleshooting of lighting, ignition, charging, and starting systems. Technical Depth Diagnostic Capability: Advanced diagnostics including electrical system tracing, carburetor tuning, and internal engine component analysis. Repair Detail Level: Detailed step-by-step instructions with accompanying diagrams for virtually all repair and maintenance procedures, from basic adjustments to complete engine overhauls. Specification Detail: Includes torque specifications for critical fasteners, bearing clearances, piston ring gaps, valve clearances (if applicable to later models or variants), and dimensional data for wear checks. Engine Tuning Info: Guidance on carburetor jetting, ignition timing adjustments (if adjustable), and power valve (Rave) system operation and tuning. 📊 Manual Specifications File Format Digital File Type: PDF Print Quality Digital Viewing Features: High-resolution, zoomable for clear viewing of diagrams and text, printable. Binding Type Physical Binding: Not Applicable (Digital Download) Paper Type Physical Paper Quality: Not Applicable (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, 2-stroke, single-cylinder (Rotax 122 series). Bore X Stroke: Typically 54 mm x 54.5 mm (check specific year/variant). Displacement: 124.8 cc Compression Ratio: Typically 7.0:1 to 8.0:1 (can vary with model revisions). Performance Horsepower Peak: Often rated between 28-34 hp (depending on market restrictions and specific model year). Torque Peak: Around 20-23 Nm (check specific year/variant). Fuel System Carburetor Type: Likely Dell'Orto PHBH 28 or similar performance carburetor. Specific jetting and settings are crucial and detailed in the manual. Fuel Type Recommendation: Unleaded gasoline, typically 95-98 octane (RON/MON). Premixing with 2-stroke oil is standard for this engine. Lubrication Oil Injection System: Automatic oil injection system (separate oil tank). 🔧 Transmission Standard Transmission Type: 6-speed sequential manual transmission. Features Clutch Type: Wet multi-plate clutch, cable operated. Gearbox Oil Type: Typically SAE 10W/40 or 15W/50 API GL-4 or GL-5 transmission oil. Specifics in manual. 📐 Dimensions Exterior Wheelbase: Approximately 1375 mm (54.1 inches) - check specific year. Weights Dry Weight: Approximately 127 kg (280 lbs) - check specific year. Fuel Tank Capacity: Approximately 7.5 liters (1.98 US gallons) - check specific year. 🛡️ Safety Features Ratings Crash Test Info: Not applicable for motorcycles in the same manner as cars. Emphasis is on rider protection and vehicle handling characteristics. Active Features Braking System: Front: Single disc brake with multi-piston caliper (often Brembo). Rear: Single disc brake with single-piston caliper. Passive Features Frame Construction: Aluminum alloy twin-spar frame for rigidity and light weight. 💡 Technology Features Infotainment Dashboard Features: Analog tachometer, speedometer, odometer, trip meter, temperature warning light, neutral indicator, turn signal indicators. Driver Assistance Rider Aids: None (This era of 125cc sportbike predates common electronic rider aids like ABS or traction control). 🔧 Maintenance Service Intervals Oil Change Frequency: Recommended every 3,000-5,000 km (1,800-3,000 miles) or annually, depending on usage. Gearbox oil changes typically at the same interval. Spark Plug Replacement: Check/clean every 2,000-4,000...