Target Audience:
Owners of Daelim Derby Boulevard 125-150 motorcycles seeking to perform their own maintenance and repairs.
Value Proposition:
Provides access to professional-level repair information, enabling significant cost savings compared to dealership servicing.
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.
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.
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.
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.
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).
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 Delivery:
Carburetor (as indicated by 'Carburettor' in coverage).
Ignition System:
CDI (Capacitor Discharge Ignition) is typical.
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.
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).
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 manual.
