Manual Coverage
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Systems Covered
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Engine:
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Engine overhaul, component testing, tuning, troubleshooting
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Fuel System:
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Carburetor (if applicable) or Fuel Injection System, fuel pump, filters, lines
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Ignition System:
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Spark plugs, ignition coil, CDI unit, timing
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Transmission:
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Automatic transmission (CVT) operation, maintenance, and repair
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Cooling System:
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Radiator, fan, coolant flow, thermostat
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Exhaust System:
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Muffler, catalytic converter (if equipped), exhaust manifold
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Brakes:
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Front and rear brake systems, hydraulic lines, master cylinder, calipers, pads, discs, bleeding procedures
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Suspension:
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Front fork, rear shock absorber, swingarm, bearings
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Steering:
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Handlebars, steering column, head bearings
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Electrical System:
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Battery, charging system (stator, regulator/rectifier), starter motor, lighting, horn, instrumentation
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Wiring Diagrams:
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Complete electrical schematics for all systems
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Bodywork:
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Fairings, panels, seat, fuel tank, chassis components
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Lubrication:
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Lubrication points, oil types, capacities
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Procedures Included
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Maintenance:
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Regular scheduled maintenance, inspections, adjustments
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Troubleshooting:
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Diagnostic procedures for common and uncommon issues
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Repair:
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Detailed step-by-step repair instructions for all components
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Rebuild:
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Engine and transmission rebuild procedures
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Disassembly Assembly:
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Complete disassembly and reassembly guides
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Specifications Tables:
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Torque specifications, clearances, tolerances
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Tool Requirements:
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Special tools and general tools required for service
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Technical Depth
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Depth:
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Comprehensive (from basic checks to full engine rebuild)
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Target Audience:
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Professional Technicians and Advanced DIY Mechanics
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Engine Specifications
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Primary Engine
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Engine Type:
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Four-stroke, single-cylinder, air-cooled
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Displacement:
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149.8 cc
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Bore X Stroke:
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57.5 mm x 57.2 mm
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Compression Ratio:
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10.2:1
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Performance
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Horsepower:
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Approx. 12.9 HP @ 8500 RPM
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Torque:
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Approx. 11.7 Nm @ 7000 RPM
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Fuel System
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Fuel Delivery:
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Carburetor (likely a Dell'Orto PHVA 30)
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Fuel Type:
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Unleaded Gasoline (95 RON recommended)
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Fuel Tank Capacity:
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Approx. 7.0 Liters
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Lubrication
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Oil Type:
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SAE 10W-40 Synthetic or Semi-Synthetic Motorcycle Oil (API SG or higher)
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Oil Capacity:
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Approx. 0.9 Liters (without filter change), 1.0 Liters (with filter change)
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Maintenance
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Service Intervals
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First Service:
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Approx. 1000 km or 1 month
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Regular Oil Change:
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Every 3000-5000 km or 6-12 months (refer to manual)
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Air Filter Cleaning Replacement:
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Every 3000-6000 km
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Spark Plug Replacement:
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Every 5000-8000 km
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Brake Pad Inspection:
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Every 3000 km or as needed
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Valve Clearance Check:
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Every 6000-10000 km
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Fluid Specifications
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Engine Oil:
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SAE 10W-40 API SG or higher (Synthetic/Semi-Synthetic)
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Coolant:
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Ethylene glycol-based coolant, 50/50 mix with distilled water
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Brake Fluid:
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DOT 4
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Known Issues
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Common Wear Items:
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Brake pads, tires, drive belt (CVT), air filter, spark plug
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Potential Electrical Issues:
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Corrosion on connectors, rectifier failure (typical for scooters of this era)
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Carburetor Tuning:
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May require periodic adjustment or cleaning due to fuel quality variations or age
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