🏷️ Basic Information Identification Make: Derby Model: DS50 Model Description: 50cc Scooter 👋 Introduction Market Position Market Position: The Derby DS50 is positioned as an accessible and practical 50cc scooter, often targeting urban commuters, younger riders, or those seeking economical personal transportation. It likely competes with other entry-level scooters from brands like Kymco, SYM, and other European/Asian manufacturers. Competitive Analysis Competitive Analysis: Key competitive advantages would include its specific feature set, pricing, fuel efficiency, and potentially regional dealer support. This parts catalog helps maintain those competitive advantages by ensuring availability of genuine and compatible replacement parts. Key Features Key Features: Compact design, fuel efficiency, ease of operation, low running costs. This catalog's key feature is its comprehensive listing of all required parts for maintenance and repair. 📋 Manual Details Coverage Areas Coverage Areas: All mechanical and electrical components, body panels, and accessories for the Derby DS50. Page Count Page Count: Estimated 150-250 pages (typical for a comprehensive parts catalog for this vehicle type). Manual Type Manual Type: Parts Catalog Language Language: English (primary), potentially multilingual diagrams. Format Format: Likely PDF or digital format for easy searching and viewing. 📖 Manual Coverage Systems Covered Systems Covered: Engine (internal components, cooling, exhaust), Fuel System (carburetor, fuel tank, lines), Electrical System (ignition, lighting, battery, starter), Drivetrain (transmission, clutch, belt drive), Chassis (frame, suspension, steering), Brakes (front and rear), Wheels and Tires, Bodywork (panels, fairings, seating), Controls (throttle, brake levers, switches), Accessories. Procedures Included Procedures Included: Part identification and referencing, assembly diagrams, exploded views, component lists with part numbers. Technical Depth Technical Depth: Detailed listing of every original equipment manufacturer (OEM) part, including fasteners, seals, and small components. Facilitates accurate ordering and replacement. Does not typically include repair procedures but aids in understanding component relationships for repair. 📊 Manual Specifications File Format File Format: PDF (Portable Document Format) with searchable text and high-resolution images. Print Quality Print Quality: Designed for clear reproduction on standard printers, ensuring legibility of diagrams and part numbers. Binding Type Binding Type: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) Completeness Completeness: Comprehensive listing of all genuine parts with associated diagrams. Essential for identifying correct replacements for maintenance, repair, and customization. ⚙️ Engine Specifications Primary Engine Engine Type: Air-cooled, two-stroke, single-cylinder gasoline engine. Displacement: Approximately 49.2 cc (typical for 50cc class). Bore X Stroke: Likely around 39mm x 41.4mm (typical for this displacement). Power Output: Estimated 3.5 - 4.5 PS (2.6 - 3.3 kW) at 6500-7500 RPM (depending on specific tuning and emissions regulations). Torque: Estimated 4.0 - 4.5 Nm at 5500-6500 RPM. Performance Top Speed: Electronically limited to 45 km/h (28 mph) in many markets due to licensing requirements for 50cc vehicles. Fuel System Fuel Delivery: Carburetor (likely a 14-17mm unit). Fuel Type: Unleaded gasoline, minimum 91 RON (87 AKI). Oil Mixture: Premix or automatic oil injection system for two-stroke lubrication. Catalog will specify oil filter if applicable or oil for injection system. Cooling System Cooling Method: Forced Air Cooling. Ignition System Ignition Type: Electronic Ignition (CDI - Capacitor Discharge Ignition). 🔧 Transmission Standard Transmission Type: Automatic Continuously Variable Transmission (CVT). Optional Optional Transmission: N/A (CVT is standard for this class). Features Drive Type: Belt drive to rear wheel. Clutch Type: Centrifugal automatic clutch. 📐 Dimensions Exterior Length: Approximately 1700-1800 mm. Width: Approximately 680-700 mm. Height: Approximately 1100-1150 mm. Wheelbase: Approximately 1200-1250 mm. Weights Dry Weight: Approximately 80-95 kg. Gross Vehicle Weight Rating: Approximately 230-250 kg. Cargo Underseat Storage: Yes, typically designed to fit a helmet. Rear Rack Provision: Often equipped with a rear rack for accessory mounting. 🛡️ Safety Features Ratings Crash Test Ratings: N/A (Scooters generally do not undergo formal crash testing like automobiles). Active Features Lighting: Halogen headlight, LED tail light and turn signals (depending on year/trim). Brakes: Front: Disc brake; Rear: Drum brake (common configuration). Passive Features Mirrors: Standard rearview mirrors. Horn: Standard audible horn. 💡 Technology Features Infotainment Infotainment System: Basic analog or digital speedometer, fuel gauge (if equipped), indicator lights. No advanced infotainment systems. Driver Assistance Driver Assistance Features: N/A (Focus is on core mechanical and electrical components). Connectivity Connectivity Features: N/A 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000 - 5,000 km or annually (for gearbox oil in transmission). Spark Plug Replacement: Every 5,000 - 10,000 km (depending on plug type). Air Filter Cleaning Replacement: Check every 2,000 km, clean/replace every 4,000 - 6,000 km. Belt Drive Inspection Replacement: Inspect every 5,000 km, replace every 10,000 - 15,000 km. Fluid Specifications Gearbox Oil Type: SAE 80W-90 GL-3 or GL-4 gear oil (check capacity in specific manual, usually ~100-120ml). Brake Fluid Type: DOT 4 brake fluid (front brake system). Two Stroke Oil Type: API TC certified semi-synthetic or fully synthetic two-stroke oil suitable for air-cooled engines. Known Issues Common Issues: Wear and tear on CVT components (belt, rollers, clutch), carburetor...