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Manual Coverage
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Systems Covered
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Engine Mechanical:
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Cylinder head, cylinder, piston, crankshaft, crankcase, kick starter, drive systems, lubrication system, cooling system, exhaust muffler
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Fuel System:
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Carburetor, fuel pump, fuel tank
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Electrical System:
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AC generator, battery, charging system, ignition system, starting system, switches, horn, fuel unit, thermo-static switch, temperature gauge, instruments, lights
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Chassis Suspension Steering:
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Frame covers, steering handlebar, front wheel, front brake, front shock absorber, front fork, rear brake, rear fork, rear wheel, rear shock absorber
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Drivetrain:
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Pulley, clutch, driven pulley, final reduction
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Tires Wheels:
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High-speed tire (tubeless tire) specifications and mounting
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Procedures Included
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Maintenance:
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Regular inspections, lubrication, fluid changes, filter replacements, adjustments
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Diagnosis Troubleshooting:
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Diagnostic procedures, fault finding, common issue identification
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Repair Rebuild:
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Step-by-step instructions for component removal, installation, overhaul, and repair
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Wiring Schematics:
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Complete electrical wiring diagrams for accurate diagnosis and repair
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Technical Depth
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Depth:
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Comprehensive, covering all aspects from basic checks to complete engine and chassis rebuilds
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Engine Specifications
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Primary Engine
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Engine Type:
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Likely 4-stroke, single-cylinder, air-cooled (for 125cc) and potentially liquid-cooled or larger air-cooled for 250cc variants. Specific details would be within the manual.
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Performance
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Horsepower Torque:
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Specific figures for 125cc and 250cc models are not provided in the product description but are detailed within the manual.
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Fuel System
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Fuel Delivery:
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Carburetor (specific models will vary, e.g., Keihin or Mikuni type), with associated fuel pump system.
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Lubrication System
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Oil Type Capacity:
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Refer to manual for specific viscosity (e.g., SAE 10W-40) and capacity for engine oil.
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Cooling System
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Cooling Method:
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Air-cooled (typical for 125cc scooters), potentially liquid-cooled for 250cc models.
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Maintenance
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Service Intervals
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Routine Maintenance:
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Manual provides detailed intervals for oil changes, spark plug checks, air filter cleaning/replacement, brake inspections, drive belt inspection, valve clearance checks, etc.
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Fluid Specifications
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Engine Oil:
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Specify SAE viscosity grade (e.g., 10W-40) and API service classification. Capacity detailed.
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Brake Fluid:
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Specify DOT fluid type (e.g., DOT 3 or DOT 4) for hydraulic brake systems.
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Gear Oil:
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Specify viscosity and capacity for the final reduction gearbox.
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Known Issues
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Common Wear Items:
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CVT belt wear, spark plug fouling, brake pad wear, potential carburetor tuning issues (specific to model year and usage).
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Torque Specifications
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Engine Bolt Torques:
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Manual provides critical torque specifications for engine components, chassis fasteners, etc.
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