🏷️ Basic Information Identification Make: Aprilia Model: RS125 Year: 2008 Codes Chassis Code: e4*2002/24*0320* 👋 Introduction Market Position Segment: Lightweight sportbike, often considered a step-up from smaller displacement commuters, popular for track days and spirited road riding. Competitive Analysis Competitors: Yamaha YZF-R125, Honda CBR125R, Kawasaki Ninja 125. Key Features Design: Aggressive, race-inspired styling, sharp lines, dual headlights, aerodynamic fairings, clip-on handlebars. Performance Oriented: High-revving two-stroke engine, capable chassis, potent brakes, and performance suspension components. 📋 Manual Details Coverage Areas Manual Type: Factory Service Repair Manual Language: English Format: PDF Download Page Count Pages: Hundreds (specific number not provided, indicative of comprehensive coverage) 📖 Manual Coverage Systems Covered Engine: Complete engine disassembly, assembly, tuning, and troubleshooting for Rotax 125cc two-stroke engine. Fuel System: Carburetor (Dell'Orto PHBH 28) adjustments, jetting, cleaning, and rebuild procedures. Fuel tank, lines, and pump inspection and maintenance. Ignition System: CDI ignition system testing, troubleshooting, and component replacement. Cooling System: Radiator, hoses, water pump, thermostat, and coolant fluid specifications and maintenance. Exhaust System: Expansion chamber, silencer, and catalytic converter inspection and service. Transmission: Six-speed gearbox, clutch operation, adjustment, and rebuild. Gearbox oil specifications and change intervals. Chassis Frame: Frame inspection, alignment checks, and component mounting. Suspension Front: Upside-down telescopic fork (Marzocchi 40mm), oil levels, seal replacement, and spring preload adjustments. Suspension Rear: Monoshock (Sachs), linkage system, shock absorber adjustments, and rebuild procedures. Brakes Front: Brembo dual-piston caliper, 320mm disc, brake fluid specifications, bleeding procedures, pad replacement, and caliper servicing. Brakes Rear: Brembo single-piston caliper, 220mm disc, brake fluid specifications, bleeding procedures, pad replacement, and caliper servicing. Wheels Tires: Wheel bearing inspection and replacement, tire pressure recommendations, and wheel removal/installation. Electrical System: Wiring diagrams, battery testing, charging system (stator, regulator/rectifier), lighting, horn, and starter motor. Bodywork Fairings: Fairing removal, installation, and repair. Seat, fuel tank, and associated trim components. Procedures Included Maintenance: Routine maintenance tasks, lubrication points, bolt torque specifications, and fluid checks. Troubleshooting: Diagnostic charts and procedures for common operational issues and malfunctions. Repair: Step-by-step instructions for component repair and replacement across all vehicle systems. Rebuilds: Detailed procedures for engine and transmission complete rebuilds. Adjustments: Carburetor, clutch, throttle cable, and suspension adjustments. Technical Depth Depth Level: Comprehensive, from basic servicing to complete engine/transmission overhauls and electrical system diagnostics. 📊 Manual Specifications File Format Format: PDF Searchability: Likely text-searchable (standard for factory PDFs). Print Quality Quality: High-resolution, suitable for printing individual pages or the entire manual. Binding Type Binding: N/A (Digital Download - PDF) Paper Type Type: N/A (Digital Download - PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, two-stroke, single-cylinder, reed valve induction. Displacement: 124.8 cc (7.62 cubic inches) Bore X Stroke: 54 mm x 54.5 mm Compression Ratio: 12.0:1 (approximate, subject to specific tuning variations) Performance Horsepower: Approx. 30-33 HP (depending on market restrictions and tuning) Torque: Approx. 2.2 kgf-m (16.0 lb-ft) at ~8000 rpm Fuel System Carburetor: Dell'Orto PHBH 28 (with automatic oil mixing system) Fuel Type: Unleaded gasoline, minimum 95 RON (octane rating). Oil Mixture: Two-stroke engine oil injection system (separate oil reservoir). Lubrication Engine Oil Type: API TC-rated two-stroke synthetic or semi-synthetic oil (specific recommendations in manual). 🔧 Transmission Standard Type: 6-speed constant mesh sequential gearbox. Features Clutch: Wet multi-plate clutch, hydraulically operated. Gear Ratios: Specific ratios detailed in the manual for each gear. Final Drive: Chain drive (O-ring sealed chain). Transmission Oil Oil Type: Gear oil SAE 75W/90 API GL-4 or GL-5 (manual specifies exact type and capacity). 📐 Dimensions Exterior Length: Approx. 2030 mm (79.9 in) Width: Approx. 760 mm (29.9 in) Height: Approx. 1060 mm (41.7 in) Seat Height: Approx. 810 mm (31.9 in) Wheelbase: Approx. 1375 mm (54.1 in) Weights Dry Weight: Approx. 131 kg (288.8 lbs) Curb Weight: Approx. 142 kg (313.1 lbs) (with all fluids) Fuel Capacity: 13 liters (3.4 US gal) Oil Tank Capacity: 1.3 liters (0.34 US gal) 🛡️ Safety Features Ratings Crash Test Results: Not applicable for motorcycles in typical automotive safety rating standards. Active Features Braking System: Powerful Brembo hydraulic disc brakes front and rear, providing excellent stopping power. Lighting: Dual halogen headlights for improved nighttime visibility. Passive Features Frame Design: Sturdy aluminum alloy perimeter frame designed for high rigidity and stability. Ergonomics: Sportbike riding position, clip-on handlebars, and rear-set footpegs contributing to rider control. 💡 Technology Features Infotainment Dashboard: Digital-analog instrument cluster with speedometer, tachometer, fuel gauge, odometer, trip meter, and warning lights. Driver Assistance ABS: ABS was not a standard feature on the 2008 RS125 model, but this manual would detail brake system maintenance if equipped with aftermarket ABS. Connectivity Connectivity Features: N/A (no modern connectivity features like Bluetooth or smartphone integration on this model). 🔧 Maintenance Service Intervals Oil Change Transmission: Every 6,000 km or 1 year (refer to manual for exact interval and procedure). Spark Plug Replacement: Recommended every 5,000 - 7,000 km (refer to manual for specific plug...