🏷️ Basic Information Identification Make: Aprilia Model: RS125 Year: 2006-2012 Body Style: Sportbike Country Of Origin: Italy Generation Generation: Third Generation (Pre-Rotax 125cc Engine for some markets) 📋 Manual Details Coverage Areas Topics Covered: General Information, Fuel System, Cooling System, Engine Top End, Clutch, Engine Lubrication System, Engine Removal/Installation, Crankshaft/Transmission, Wheels/Tires, Final Drive, Brakes, Suspension, Steering, Frame, Electrical System, Appendix, Troubleshooting, Wiring Diagrams, Maintenance, Repair Procedures, Tuning Page Count Estimated Page Count: Hundreds of pages Manual Type Manual Type: Factory Service Repair Manual Authenticity: Official Factory Manual Language Language: English Format File Format: PDF Printable: Yes (unrestricted) Delivery Delivery Method: Download ⚙️ Engine Specifications Primary Engine Engine Type: Two-Stroke Single Cylinder Displacement: 124.8 cc (7.6 cu in) Bore X Stroke: 54 mm x 54.5 mm (2.1 x 2.1 in) Cooling System: Liquid-cooled Valvetrain: Rotary Disc Valve (Reed Valve Induction) Ignition: Electronic Ignition (CDI) Performance Horsepower Approx: 30-35 hp (depending on market and specific model year) Torque Approx: 18-20 Nm (depending on market and specific model year) Fuel System Fuel Delivery: Carburetor (e.g., Dell'Orto PHBH 28, VM28) Fuel Type: Unleaded Gasoline (with 2-stroke oil pre-mix or separate oil injection) Starter: Electric Starter 🔧 Transmission Standard Transmission Type: 6-speed Manual Clutch Type: Wet multi-plate clutch Features Gear Ratios: Refer to Manual 📐 Dimensions Exterior Length: Approx. 1950 mm (76.8 in) Width: Approx. 740 mm (29.1 in) Height: Approx. 1135 mm (44.7 in) Wheelbase: Approx. 1355 mm (53.3 in) Weights Dry Weight: Approx. 125 kg (275.6 lbs) Fuel Capacity: Approx. 13.5 Liters (3.6 US gal) 🛡️ Safety Features Features Braking System Front: Disc Brake (e.g., 320mm single disc) Braking System Rear: Disc Brake (e.g., 220mm single disc) Suspension Front: Telescopic Upside-down Fork (e.g., Marzocchi or White Power) Suspension Rear: Monoshock (e.g., Sachs) Lighting: Halogen Headlight, LED Taillight 🔧 Maintenance Service Intervals Oil Change Interval: Refer to Manual (2-stroke oil level check) Spark Plug Replacement: Refer to Manual Air Filter Cleaning: Refer to Manual Fluid Specifications Engine Oil: 2-stroke Premix or Separate Injection Oil (refer to manual for specific grade) Coolant: Ethylene Glycol Based Coolant (50/50 mix with distilled water) Brake Fluid: DOT 4 Transmission Oil: Refer to Manual (e.g., SAE 75W/90 or similar gear oil)