Introduction
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Market Position
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Segment:
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Lightweight scooter segment, designed for urban commuting and everyday use.
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Competitive Analysis
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Competitors:
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Competed with other 125cc scooters from brands like Honda (e.g., SH125), Vespa, Yamaha (e.g., Majesty 125), and Kymco.
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Key Features
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Design:
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Sporty styling, comfortable seating for two, under-seat storage, practical for city riding.
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Powertrain:
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Reliable two-stroke engine offering good performance for its class, automatic transmission for ease of use.
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Manual Coverage
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Systems Covered
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Engine:
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Top-end, bottom-end, cooling, lubrication, fuel, ignition, starting, exhaust, emissions
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Transmission:
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Automatic (CVT) operation, belt, pulleys, gearbox lubrication
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Chassis:
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Frame, suspension (front fork, rear shock), steering, wheels, tires
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Brakes:
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Front and rear brake system components, hydraulic lines, master cylinders, calipers, pads, rotors
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Electrical:
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Battery, charging system, lighting, indicators, starting system, wiring diagrams, fuses, relays, control units
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Bodywork:
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Fairings, seat, panels, body trim, fuel tank, storage compartment
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Procedures Included
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Maintenance:
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Routine checks, oil changes, filter replacements, spark plug servicing, chain adjustment (if applicable), brake fluid replacement, coolant checks
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Troubleshooting:
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Diagnostic procedures for common issues, fault finding, error codes
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Repair:
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Component disassembly, inspection, repair, and reassembly for all major systems
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Technical Adjustments:
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Carburetor tuning, idle speed adjustment, brake lever adjustment, clutch adjustment (if applicable)
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Technical Depth
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Depth:
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Comprehensive, suitable for professional technicians and advanced DIY mechanics. Includes detailed schematics and torque specifications.
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Engine Specifications
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Primary Engine
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Engine Type:
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Liquid-cooled, two-stroke, single-cylinder
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Displacement:
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124.9 cc (7.62 cubic inches)
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Bore X Stroke:
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57.0 mm x 49.0 mm
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Compression Ratio:
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Typically around 7.5:1 to 8.0:1 (refer to manual for exact spec)
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Performance
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Horsepower:
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Approx. 15-17 HP (varies by market and tuning)
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Torque:
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Approx. 12-14 Nm (varies by market and tuning)
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Fuel System
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Carburetor:
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Dell'Orto PHVB 24 or similar (specific model confirmed in manual)
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Fuel Type:
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Unleaded gasoline (95 RON recommended)
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Lubrication
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Oil Type:
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Two-stroke engine oil, JASO FD or ISO-L-EGD certified
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Cooling
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Cooling System:
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Liquid-cooled
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Coolant Type:
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Ethylene glycol based antifreeze mixture with corrosion inhibitors
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Maintenance
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Service Intervals
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Oil Change Interval:
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Every 3,000 - 5,000 km or annually (refer to manual for precise interval and oil type)
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Spark Plug Replacement:
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Every 5,000 - 8,000 km (specific plug type and gap in manual)
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Air Filter Cleaning:
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Every 2,000 - 4,000 km, depending on operating conditions
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Transmission Oil Change:
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Every 5,000 - 10,000 km (specific oil and capacity in manual)
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Fluid Specifications
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Engine Oil Capacity:
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Approx. 0.9 - 1.1 liters (refer to manual for exact capacity and oil grade)
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Coolant Capacity:
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Approx. 1.0 - 1.2 liters (refer to manual for exact capacity and coolant mixture ratio)
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Known Issues
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Carburetor Issues:
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Can be prone to gumming if fuel sits for extended periods; requires regular cleaning.
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Electrical Connections:
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Corrosion on electrical connectors can lead to intermittent issues.
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Cooling System:
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Water pump seal leaks or radiator blockages can occur with poor maintenance.
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Wear Items:
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As with any scooter of this age, wear items like brake pads, tires, and CVT components (belt, rollers) require regular inspection and replacement.
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