🏷️ Basic Information Identification Make: Aprilia Model: RS125 Year: 1996 Generation Model Generation: First Generation (Rotax 122) Codes Engine Code Platform: Rotax 122 👋 Introduction Market Position Vehicle Segment: Lightweight sportbike, popular in entry-level racing and road use Competitive Analysis Key Competitors 1996: Yamaha YZF-R125 (later models), Honda CBR125R (later models), Suzuki RG125, Cagiva Mito 125 Key Features Distinctive Characteristics: Aggressive styling, potent Rotax 2-stroke engine, capable chassis for its class, high-revving performance 📋 Manual Details Coverage Areas Manual Coverage Scope: Complete factory service and repair Page Count Estimated Page Count: 500+ Manual Type Manual Category: Factory Service Repair Manual Language Manual Language: English (assumed, common for official manuals) Format Manual Format: PDF Download 📖 Manual Coverage Systems Covered Engine Systems: Top-end assembly, bottom-end assembly, cylinder head, piston, crankshaft, connecting rod, valve timing (if applicable, though Rotax 122 is usually 2-stroke), lubrication system, cooling system (liquid-cooled), fuel system (carburetor), ignition system, exhaust system, starting system (kick start) Drivetrain Systems: Clutch operation and adjustment, gearbox (transmission) disassembly and assembly, shift mechanism, final drive (chain and sprockets) Chassis Systems: Frame inspection and repair, suspension (front fork, rear shock absorber), steering system, braking system (front and rear disc brakes, hydraulic components), wheel and tire service, electrical system (wiring diagrams, lighting, battery, charging system, CDI, sensors) Procedures Included Routine Maintenance: Oil change intervals and specifications, spark plug replacement, air filter cleaning/replacement, chain lubrication and adjustment, brake pad inspection and replacement, coolant level checks and coolant replacement Diagnostic Procedures: Troubleshooting guides for common issues, diagnostic steps for engine performance problems, electrical system fault finding, brake system diagnostics Repair And Overhaul: Complete engine rebuild procedures, carburetor tuning and rebuilding, suspension fork seal replacement, brake caliper overhaul, electrical component testing and replacement, bodywork panel removal and installation Technical Adjustments: Carburetor jetting and idle speed adjustment, ignition timing checks (if adjustable), clutch lever free play adjustment, brake lever free play adjustment, chain slack adjustment Technical Depth Diagnostic Complexity: Advanced diagnostics, including electrical schematic interpretation and component testing Rebuild Depth: Full engine and gearbox rebuilds, with torque specifications, clearance measurements, and assembly sequences Electrical Coverage: Detailed wiring diagrams for all electrical systems, component identification, and troubleshooting flows 📊 Manual Specifications File Format Digital File Type: PDF (Portable Document Format) Print Quality Scanned Image Quality: High-resolution scans, suitable for clear printing Binding Type Binding Recommendation: Printable on standard paper, can be spiral-bound or hole-punched for binder Paper Type Printable Media: Digital download, can be printed on standard A4 or Letter paper ⚙️ Engine Specifications Primary Engine Engine Type: 2-stroke, single-cylinder Engine Displacement: 124.8 cc Bore X Stroke: 54 mm x 54.5 mm Cooling System: Liquid-cooled Ignition System: Electronic ignition (CDI) Starting System: Kick starter Performance Horsepower Approximate: 30-34 HP (depending on market and tuning) Torque Approximate: 20-22 Nm (depending on market and tuning) Fuel System Carburetor Model: Dell'Orto PHBH 28 (or similar) Fuel Type: Unleaded gasoline (minimum 95 RON recommended) Fuel Mixture: Automatic oil injection (pre-mix facility may also be present) Lubrication Oil Type: 2-stroke motorcycle engine oil (e.g., Castrol TTS, Motul 710) 🔧 Transmission Standard Transmission Type: 6-speed constant mesh sequential Clutch Type: Wet, multi-plate, cable-actuated Features Gear Ratios: Specific ratios detailed in manual (e.g., 1st: 2.4, 2nd: 1.75, 3rd: 1.33, 4th: 1.14, 5th: 1, 6th: 0.89 - indicative) Final Drive: Chain drive (e.g., 17/48 or similar ratio) Transmission Oil Type: SAE 75W/90 or SAE 10W/40 gear oil (check manual for specific viscosity) 📐 Dimensions Exterior Overall Length: Approx. 1950 mm (Varies by model and fairing) Overall Width: Approx. 740 mm Seat Height: Approx. 800-810 mm Weights Dry Weight: Approx. 130-135 kg Fuel Tank Capacity: Approx. 12-14 Liters Wheels Tires Front Tire Size: 110/70-17 Rear Tire Size: 130/70-17 (or 140/70-17) Wheel Bolt Pattern: Not applicable (motorcycle wheels) 🛡️ Safety Features Ratings Crash Test Ratings: Not applicable (motorcycle segment) Active Features Braking System: Dual disc front, single disc rear (hydraulic, floating calipers likely) Suspension Type: Upside-down (USD) telescopic front forks, Monoshock rear suspension with adjustable preload Passive Features Lighting System: Halogen headlight, LED or incandescent tail/brake lights Instrumentation: Analog tachometer, speedometer, fuel gauge, coolant temperature warning light 💡 Technology Features Infotainment Infotainment System: Not applicable (basic motorcycle instrumentation) Driver Assistance Driver Assistance Features: None (basic motorcycle features) Connectivity Connectivity Options: None (basic motorcycle features) 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000-5,000 km or annually (refer to manual for specific recommendation) Spark Plug Replacement Interval: Every 5,000-10,000 km (NGK BR9EG or equivalent recommended) Air Filter Cleaning: Every 3,000 km or as needed based on conditions Fluid Specifications Coolant Type: Ethylene glycol based coolant (50% water/50% coolant mix, e.g., Motul Motocool Expert or equivalent) Brake Fluid Type: DOT 4 2 Stroke Oil Type: Premium 2-stroke synthetic or semi-synthetic motorcycle oil Known Issues Common Wear Items: Clutch plates, piston rings, crankshaft seals, exhaust powervalve (carbon buildup), rear shock absorber damping Common...