🏷️ Basic Information Identification Make: Daelim Model: Derby Boulevard Model Variant: 125-150 Codes Engine Displacement Codes: 125cc, 150cc 👋 Introduction Market Position Target Audience: Owners of Daelim Derby Boulevard 125-150 motorcycles seeking to perform their own maintenance and repairs. Competitive Analysis Value Proposition: Provides access to professional-level repair information, enabling significant cost savings compared to dealership servicing. Key Features Visuals: Features numerous pictures and diagrams to aid in understanding procedures. Ease Of Use: Designed with very easy-to-follow, step-by-step instructions suitable for all skill levels. Accessibility: Instant download format eliminates shipping costs and waiting times. Benefit Statement: Empowers owners to perform their own repairs, saving money and gaining a deeper understanding of their motorcycle. 📋 Manual Details Coverage Areas Coverage Scope: Comprehensive repair and diagnosis for Daelim Derby Boulevard 125-150 motorcycles. Model Variants Covered: Specifically targets both the 125cc and 150cc variants of the Daelim Derby Boulevard. Page Count Page Count: 97 Manual Type Manual Type: Service/Repair Manual Language Language: English Format Format: PDF Compatibility: Compatible with Windows and Mac operating systems. 📖 Manual Coverage Systems Covered Engine: Complete engine disassembly, assembly, troubleshooting, and diagnostics, including crankcase, crankshaft, magneto, starter motor, cylinder, and cylinder head. Transmission: Coverage of transmission components, operation, maintenance, and repair procedures. Lubrication: Detailed information on lubrication systems, oil specifications, capacities, and change intervals. Brakes: Diagnosis, maintenance, and repair of the brake system, including fluid specifications and bleeding procedures. Suspension: Information on front forks and rear shock absorber maintenance and repair. Fuel System: Carburettor tuning, adjustment, disassembly, and troubleshooting, along with information on the evaporative emission system. Electrical System: Comprehensive coverage of the electrical system, including wiring diagrams, component testing, and troubleshooting. Evaporative Emission System: Includes procedures for inspecting and maintaining the evaporative emission control system, relevant for emissions compliance. Crankshaft: Detailed inspection, measuring, and replacement procedures for the crankshaft and connecting rod assembly. Cylinder Head: Valve clearance adjustment, cylinder head removal and installation, gasket replacement, and combustion chamber inspection. Procedures Included Maintenance Programme: Detailed maintenance schedules and recommended service intervals. Troubleshooting: Systematic approach to diagnosing and resolving common and uncommon issues. Torque Settings: Specific torque values for all critical fasteners and components. Component Diagnosis: Detailed diagnostic flowcharts and procedures for identifying faults in various systems. Electrical Troubleshooting: Systematic troubleshooting of electrical faults using wiring diagrams and test procedures. Technical Depth Depth: Suitable for both DIY enthusiasts and professional mechanics, offering step-by-step instructions with clear diagrams. Diagnostic Tools: Lists indispensable and recommended tools for effective repair and diagnosis, essential for professional work. 📊 Manual Specifications File Format File Format: PDF Print Quality Printability: All pages are printable, allowing users to print specific sections or the entire manual for workshop use. Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Likely 4-stroke, air-cooled single-cylinder (typical for this class of scooter). Engine Displacement: 125cc and 150cc variants. Engine Cooling: Air-cooled (common for Daelim scooters of this era). Performance Horsepower Range: Typically in the 9-13 HP range for 125cc and 11-15 HP range for 150cc (specific figures would be in the manual). Torque Range: Torque figures are model-specific but generally adequate for urban commuting and light touring. Fuel System Fuel Delivery: Carburetor (as indicated by 'Carburettor' in coverage). Ignition System: CDI (Capacitor Discharge Ignition) is typical. 🔧 Transmission Standard Transmission Type: Automatic CVT (Continuously Variable Transmission) is standard for this scooter type. Optional Optional Transmissions: N/A Features Gear Reduction: Primary and secondary reduction gears are part of the CVT system. 📐 Dimensions Exterior Dimensions: Specific dimensions (length, width, height) are not provided but are typical of a modern scooter. Weights Dry Weight: Likely in the range of 120-140 kg, depending on the specific variant. 🛡️ Safety Features Active Features Braking System: Front and rear drum or disc brakes (manual will specify exact configuration). Passive Features Lighting: Standard motorcycle lighting system (headlight, taillight, turn signals) covered by the electrical system section. 💡 Technology Features Infotainment Features: Basic scooter instrumentation; advanced infotainment is not a feature of this model type. Driver Assistance Features: No advanced driver-assistance systems, focus is on core mechanical and electrical systems. Connectivity Features: N/A 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000-5,000 km or annually, depending on usage (manual will confirm). Spark Plug Replacement: Refer to maintenance schedule in manual, typically around 5,000-10,000 km. Fluid Specifications Engine Oil Type: Likely SAE 10W-40 or 20W-50, JASO MA certified motorcycle oil (manual will specify exact grade and capacity). Brake Fluid Type: DOT 3 or DOT 4, depending on the brake system specification (manual will specify). Known Issues Common Wear Items: CVT belt, rollers, spark plugs, brake pads, tires, and air filters are common wear items for scooters of this type. Carburetor Tuning: Carburetor can require periodic tuning due to environmental factors or component wear, covered in the...