🏷️ Basic Information Identification Make: Aprilia Model: RS 125 Year: 2005 Product Type: Full Service Repair Manual 👋 Introduction Market Position Segment: Lightweight sportbike, 125cc class, popular for new riders and track day enthusiasts due to performance and handling. Competitive Analysis Key Competitors: Yamaha YZF-R125, Honda CBR125R, Suzuki GSX-R125, Cagiva Mito. Key Features Design Philosophy: Race-inspired styling and performance, focused on agility and rider engagement. Target Audience: Young riders, those seeking an accessible yet potent sportbike experience, DIY mechanics. 📋 Manual Details Coverage Areas Vehicle Scope: Aprilia RS 125 (2005 Model Year) Page Count Estimated Pages: 350+ Manual Type Type: Service & Repair Manual Language Language: English Format Format: Digital (PDF likely, based on typical industry offerings for this era) 📖 Manual Coverage Systems Covered Engine: Complete engine overhaul, top-end and bottom-end components, cooling system, lubrication system, fuel system, ignition system, exhaust system. Transmission: Clutch operation, gearbox disassembly and reassembly, shift mechanism, lubrication. Chassis Suspension: Front fork (telescopic, inverted likely) disassembly, servicing, and adjustment; rear shock absorber removal, inspection, and replacement; swingarm inspection and lubrication; wheel bearings. Brakes: Front and rear brake system components (calipers, master cylinders, lines, discs), bleeding procedures, pad replacement, component inspection. Electrical System: Wiring diagrams, battery maintenance, lighting system, ignition switch, starter motor, charging system (alternator/stator), instrument cluster, fault diagnosis. Fuel System: Carburetor (likely Dell'Orto PHBH/PHVA) service and tuning, fuel tank, fuel lines, fuel pump (if applicable). Bodywork Trim: Fairing removal and installation, seat, fuel tank mounting, minor body panel repairs. Procedures Included Maintenance: Regular servicing, oil changes, filter replacements, spark plug maintenance, chain adjustment, brake fluid replacement, coolant flushing. Troubleshooting: Diagnostic procedures for common starting, running, and electrical issues, including symptom-based troubleshooting guides. Repair: Detailed step-by-step instructions for component disassembly, repair, reassembly, and adjustment. Rebuild: Comprehensive instructions for rebuilding major components such as the engine and gearbox. Technical Depth Diagnostic Capability: Advanced, covering electrical system diagnostics and mechanical fault finding. Rebuild Scope: Full mechanical rebuilds of engine, transmission, and suspension components. Special Tools: Likely lists specific Aprilia or common motorcycle special tools required for certain procedures. 📊 Manual Specifications File Format File Type: PDF (assumed) Print Quality Resolution: High-resolution scans of original factory documentation for clarity. Binding Type Binding: N/A (for digital format) Paper Type Paper Quality: N/A (for digital format) ⚙️ Engine Specifications Primary Engine Engine Type: Two-stroke, single-cylinder, liquid-cooled Displacement: 124.8 cc Bore X Stroke: 54 mm x 54.5 mm Power Output: Approx. 15 kW (20.4 hp) @ 10,000 rpm (subject to homologation and market) Torque: Approx. 12.5 Nm (9.2 lb-ft) @ 9,500 rpm (subject to homologation and market) Compression Ratio: Approx. 12.0:1 Performance Top Speed: Approx. 120-130 km/h (75-81 mph), depending on rider and conditions. Fuel System Carburetor: Dell'Orto PHBH 28 (common fitment for this era RS 125) Fuel Type: Unleaded gasoline (95 RON recommended) Oil Mixing: Automatic oil injection system (separate oil reservoir) Ignition System Ignition Type: Electronic ignition (CDI) Cooling System Cooling Method: Liquid-cooled, with radiator and fan Lubrication Oil Type: High-quality 2-stroke engine oil, specifically formulated for high-performance liquid-cooled engines. 🔧 Transmission Standard Type: 6-speed sequential manual Features Clutch Type: Wet multi-plate clutch, cable operated Final Drive: O-ring sealed chain Gear Ratios Ratios: Specific gear ratios will be detailed in the manual, critical for performance tuning. Oil Specifications Transmission Oil Type: Refer to manual for specific SAE viscosity grade (likely 10W-40 or similar). 📐 Dimensions Exterior Length: Approx. 2050 mm (80.7 in) Width: Approx. 720 mm (28.3 in) Height: Approx. 1110 mm (43.7 in) Wheelbase: Approx. 1365 mm (53.7 in) Weights Dry Weight: Approx. 131 kg (288.8 lbs) Wet Weight: Approx. 145 kg (319.7 lbs) Fluid Capacities Fuel Tank Capacity: Approx. 14 liters (3.7 US gal) Coolant Capacity: Refer to manual for exact capacity. 🛡️ Safety Features Ratings Safety Certification: CE, EPA, CARB compliance (depending on market). Active Features Braking System: Hydraulic disc brakes front and rear. Front: Dual piston caliper, 320mm disc. Rear: Single piston caliper, 220mm disc (typical configuration). Suspension Stability: Sport-tuned front forks and rear monoshock contribute to high-speed stability and cornering prowess. Passive Features Lighting: Halogen headlamp, LED taillight (likely), turn signals. 💡 Technology Features Infotainment Instrument Cluster: Analog tachometer, digital speedometer, odometer, trip meter, coolant temperature gauge, warning lights. Driver Assistance ABS: Not typically equipped on the 2005 model. ABS became optional/standard on later generations. Connectivity Features: Basic motorcycle electronics, no advanced connectivity features. 🔧 Maintenance Service Intervals Oil Change: Refer to manual, typically every 3,000-5,000 km or annually, depending on usage. Two-stroke oil for injection system requires regular topping up. Spark Plug: Inspect and clean/replace as per manual recommendations (e.g., every 5,000-7,000 km). Chain Maintenance: Regular cleaning, lubrication, and tension adjustment (e.g., every 500-1000 km). Brake Fluid: Replace every 2 years as per DOT standards. Coolant Flush: Typically every 2-3 years. Fluid Specifications Engine Oil Type: High-quality 2-stroke synthetic oil (for injection system),...