🏷️ Basic Information Identification Make: Aprilia Model: RS125 Year: 2011 Codes Internal Model Code: RP 👋 Introduction Market Position Segment: Lightweight sport motorcycle, popular in entry-level performance and track day segments. Competitive Analysis Competitors 2011: Yamaha YZF-R125, Honda CBR125R, KTM RC 125. Key Features Design Philosophy: Aggressive sportbike styling, lightweight chassis, performance-oriented two-stroke engine. Target Audience: Young riders, sportbike enthusiasts, track day participants. 📋 Manual Details Coverage Areas Coverage Scope: Complete Factory Service Repair Manual Page Count Estimated Pages: Hundreds of pages (printable) Manual Type Type: Factory Service Repair Manual Language Language: English Format Format: Downloadable PDF 📖 Manual Coverage Systems Covered Engine: Comprehensive engine overhaul, tuning, and diagnostics for the Rotax 125cc two-stroke engine. Fuel System: Carburetor (Dell'Orto PHBH 28) adjustment, cleaning, and repair, fuel pump, fuel lines. Ignition System: CDI ignition system, spark plug specifications, timing, troubleshooting. Cooling System: Liquid cooling system, radiator, coolant types, water pump, thermostat. Transmission: 6-speed gearbox, clutch operation and adjustment, lubrication, gear change mechanism. Chassis Frame: Aluminum twin-spar frame construction, frame inspections, steering head bearing service. Suspension Front: Upside-down telescopic fork (e.g., Marzocchi or Paioli), fork oil type, level, and replacement, fork seal replacement, spring preload. Suspension Rear: Monoshock rear suspension, rear shock absorber adjustment, linkage lubrication, swingarm maintenance. Brakes Front: Hydraulic disc brakes, caliper service, brake pad replacement, brake fluid type (DOT 4), bleeding procedure, master cylinder. Brakes Rear: Hydraulic disc brakes, caliper service, brake pad replacement, brake fluid type (DOT 4), bleeding procedure, master cylinder. Wheels Tires: Wheel bearing inspection and replacement, tire pressure recommendations, tire types. Electrical System: Wiring diagrams, battery specifications, lighting system, starter motor, fuses, relays, handlebar controls. Bodywork Fairings: Fairing removal and installation, seat, fuel tank, plastics, decals. Exhaust System: Exhaust pipe and silencer removal and installation, gasket replacement. Lubrication System: Two-stroke oil injection system (Autolube), oil pump calibration, oil type. Procedures Included Maintenance: Regular servicing, oil changes, filter replacements, chain adjustment, brake checks, fluid checks. Troubleshooting: Diagnostic flowcharts and guides for common issues, electrical and mechanical problem solving. Repair: Step-by-step instructions for component removal, installation, and repair. Overhaul: Complete engine and gearbox overhaul procedures. Adjustments: Carburetor, clutch, chain, suspension, and brake adjustments. Specifications Torque: Torque specifications for all critical fasteners. Technical Depth Depth: Comprehensive, suitable for professional mechanics and advanced DIY enthusiasts. Diagnostic Capabilities: Detailed diagnostic procedures and fault finding. Rebuild Instructions: Full rebuild instructions for major components. 📊 Manual Specifications File Format Format Details: High-resolution PDF, searchable text, bookmark enabled. Print Quality Printability: Designed for printing, allowing users to print specific sections or the entire manual. Binding Type Binding Recommendation: Printable format suitable for spiral or comb binding for workshop use. Paper Type Recommended Paper: Standard printer paper (8.5x11 inches or A4) for optimal printing. ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, 2-stroke, single-cylinder Displacement: 124.8 cc (7.62 cu in) Bore X Stroke: 54 mm x 54.5 mm Compression Ratio: 12.2:1 Power Output Hp: Approximately 15 hp (11 kW) at 9000 rpm (European A1 license compliant) Power Output Kw: Approximately 11 kW at 9000 rpm Torque: Approximately 11.5 Nm (8.5 lb-ft) at 8500 rpm Fuel System Carburetor Model: Dell'Orto PHBH 28 Fuel Type: Unleaded gasoline (95 RON recommended) Lubrication System Oil Type: Fully synthetic 2-stroke motorcycle oil (API TC, JASO FD) 🔧 Transmission Standard Type: 6-speed constant mesh Features Clutch: Wet multi-plate clutch Final Drive: Chain drive 📐 Dimensions Exterior Length: Approx. 1,970 mm (77.6 in) Width: Approx. 710 mm (28.0 in) Height: Approx. 1,060 mm (41.7 in) Seat Height: Approx. 810 mm (31.9 in) Weights Dry Weight: Approx. 115 kg (253.5 lbs) Wet Weight: Approx. 132 kg (291 lbs) (with fluids) Fuel Capacity: Approx. 12.0 liters (3.2 US gal) 🛡️ Safety Features Ratings Crash Test Data: Motorcycle safety is primarily dependent on rider skill and adherence to maintenance. Specific crash ratings for this model are not typically published in the same way as cars. Active Features Braking System: Powerful dual hydraulic disc brakes, providing strong stopping power. Handling: Agile chassis and performance suspension contribute to safe maneuverability. Passive Features Lighting: Full lighting system including headlights, taillights, and turn signals for visibility. 💡 Technology Features Infotainment Display Type: Analog tachometer and digital speedometer, basic LCD display for odometer, trip meters. Driver Assistance ABS: ABS was typically an optional feature or not available on all variants of the 2011 RS125. Connectivity Connectivity Features: None (standard for this class and era of motorcycle) 🔧 Maintenance Service Intervals Oil Change Engine: Refer to manual for specific 2-stroke oil changes, typically requires topping up 2-stroke oil reservoir. Spark Plug Replacement: Intervals vary based on usage and plug type (e.g., every 6,000-10,000 km or 3,700-6,200 miles). Chain Lubrication Adjustment: Lubricate every 500-800 km (300-500 miles), adjust tension as needed based on slack specification. Brake Fluid Flush: Recommended every 1-2 years or as per manual, using DOT 4 fluid. Coolant...