🏷️ Basic Information Identification Make: Daelim Model: Derby Boulevard Sub Model: 125 / 150 Vehicle Type: Motorcycle 👋 Introduction Market Position Market Position: Aimed at owners and technicians seeking authoritative repair and maintenance information for the Daelim Derby Boulevard 125 and 150 scooter models. Competitive Analysis Competitive Analysis: This manual provides factory-level detail comparable to OEM service manuals, offering a cost-effective alternative for authorized dealer documentation. Its digital format ensures immediate accessibility and widespread usability. Key Features Key Features: Instant download, lifetime access, no expiry, multi-device compatibility, printable pages, detailed photos and diagrams, step-by-step instructions, comprehensive coverage. 📋 Manual Details Coverage Coverage Areas: Complete service, repair, and troubleshooting for Daelim Derby 125 and 150 Boulevard motorcycles. Page Count Page Count: Hundreds of pages Manual Type Manual Type: Factory Service Repair Workshop Manual Language Language: English (Assumed based on product description, typical for international manuals) Format Format: PDF Download 📖 Manual Coverage Systems Covered Systems Covered: Engine (internal components, lubrication, cooling, fuel, ignition), Transmission, Drivetrain, Chassis, Suspension (front and rear), Braking System (hydraulic, mechanical), Electrical System (wiring diagrams, lighting, starting, charging), Fuel System (carburetor/injection), Exhaust System, Frame, Bodywork, Controls, Wheels and Tires. Procedures Included Procedures Included: Routine maintenance, scheduled servicing, troubleshooting diagnostic procedures, disassembly and reassembly of all major components, repair of worn or damaged parts, replacement of components, adjustments (carburetor, valves, brakes, cables), electrical system diagnostics and repair, torque specifications, special tool requirements. Technical Depth Technical Depth: Comprehensive, covering all repair and servicing procedures from basic maintenance to advanced diagnostics and complete overhauls. Suitable for professional mechanics and experienced DIY enthusiasts. 📊 Manual Specifications File Format File Format: PDF (Portable Document Format) Print Quality Print Quality: Printable (single pages or entire manual), high-resolution for clear diagrams and photos. Binding Type Binding Type: Digital (No physical binding) Paper Type Paper Type: N/A (Digital format) ⚙️ Engine Specifications Primary Engine Engine Type 125: Single-cylinder, 4-stroke, air-cooled, OHC (Typically, specifics may vary by exact sub-model year) Engine Type 150: Single-cylinder, 4-stroke, air-cooled, OHC (Typically, specifics may vary by exact sub-model year) Performance Bore X Stroke 125: Approx. 52.4mm x 57.8mm (Typical for 125cc class, manual will provide exact) Bore X Stroke 150: Approx. 57.4mm x 57.8mm (Typical for 150cc class, manual will provide exact) Displacement 125: 124.9cc (Approximate) Displacement 150: 149.8cc (Approximate) Fuel System Fuel Delivery System: Carburetor (likely CV-type) or Fuel Injection (FI) depending on model year and market. Manual will specify. Fuel Type: Unleaded Gasoline (Petrol) Lubrication Oil Type: SAE 10W-40 API SG or higher (or specified equivalent, manual is definitive) Oil Capacity: Approx. 0.8 - 1.0 Liters (Check manual for exact capacity with/without filter change) Cooling Cooling System: Air-cooled 🔧 Transmission Standard Transmission Type: Automatic (CVT - Continuously Variable Transmission) Features Drive Type: Belt-driven CVT with final drive gears. Transmission Fluid: Specific CVT fluid (manual will specify type and replacement interval) 📐 Dimensions Exterior Wheelbase: Varies by model year, typically around 1300-1350 mm. Manual provides precise dimensions. Weights Dry Weight: Approx. 110-125 kg. Manual will confirm exact weight. 🛡️ Safety Features Active Features Braking System Front: Hydraulic Disc Brake (Single or Dual depending on specification) Braking System Rear: Drum Brake or Hydraulic Disc Brake (depending on specification) 💡 Technology Features Infotainment Instrument Cluster: Analog or Digital speedometer, odometer, fuel gauge, indicator lights (turn signals, high beam, oil pressure/check engine). Specific features vary by model year and trim. Driver Assistance Lighting: Halogen or LED headlight, taillight, and turn signals. Manual covers bulb replacement and electrical checks. Connectivity Charging Port: Some models may feature a 12V accessory outlet or USB charging port for devices. Manual will detail installation and usage if present. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000 - 5,000 km or 6 months, whichever comes first. Manual is definitive. Air Filter Check Interval: Every 3,000 km or annually. Replacement as needed. Spark Plug Replacement: Typically every 6,000 - 10,000 km. Manual specifies exact type and interval. Valve Clearance Check: Often at 6,000 km or 12,000 km intervals. Manual provides precise schedule and specifications. Fluid Specifications Brake Fluid Type: DOT 3 or DOT 4 (manual will specify, crucial for hydraulic systems). Coolant Type: N/A (Air-cooled engine) Known Issues Common Issues: While specific common issues are best detailed by the manual's troubleshooting section, typical scooter concerns can include CVT belt wear, carburetor tuning, electrical connector corrosion, and brake pad wear. 📚 Vehicle History Brand Heritage Brand Origin: Daelim is a South Korean manufacturer known for a range of motorcycles and scooters. Model Evolution Model Introduction: The Daelim Derby Boulevard series has been produced to cater to the commuter scooter market, with variations in engine size (125cc and 150cc) to meet different licensing and performance requirements.