Vehicle Segment:
Lightweight Scooter / Commuter Scooter
Target Audience:
Urban commuters, riders seeking economical and practical transportation.
Key Competitors:
Honda PCX, Yamaha NMAX, SYM Jet, Suzuki Address (models with similar engine displacement and purpose).
Design Philosophy:
Focus on reliability, fuel efficiency, and ease of operation for daily commuting.
Scootability:
Automatic transmission (CVT) for effortless riding, comfortable seating position, under-seat storage.
Ergonomics:
Designed for comfortable urban riding with an upright posture and easy reach to controls.
Engine:
Complete overhaul, tuning, diagnostics, cooling system, lubrication system, fuel system, ignition system, exhaust system, engine components (pistons, rings, valves, camshafts, crankshaft, bearings, etc.).
Transmission:
Automatic transmission (CVT) operation, maintenance, repair, clutch system, drive belts, variator, torque converter.
Chassis:
Frame inspection and repair, suspension (front forks, rear shock absorber) maintenance and adjustment, steering system service.
Brakes:
Front and rear brake system service, hydraulic lines, brake pads, brake discs, master cylinder, caliper overhaul, bleeding procedures.
Electrical:
Complete wiring diagrams, lighting system, battery maintenance, charging system (stator, regulator/rectifier), starting system (starter motor, solenoid), ignition system components, diagnostic trouble codes (DTCs) and troubleshooting.
Fuel System:
Fuel tank, fuel pump, fuel filter, carburetor (or fuel injection system, if applicable) adjustment and cleaning, fuel lines.
Bodywork:
Body panel removal and installation, fairings, seat, luggage compartment, cosmetic repairs.
Maintenance:
Oil change, filter replacement (oil, air, fuel), spark plug replacement, chain adjustment and lubrication (if applicable), brake fluid flush, coolant flush, general inspections.
Troubleshooting:
Step-by-step diagnostic procedures for common and uncommon issues, symptom-based troubleshooting charts, electrical system fault finding.
Repair:
Detailed instructions for component disassembly, inspection, repair, and reassembly for all major vehicle systems. Includes torque specifications for critical fasteners.
Adjustments:
Carburetor synchronization, idle speed adjustment, brake lever free play, suspension preload.
Diagnostics:
Advanced diagnostics, including interpretation of diagnostic trouble codes (DTCs), wiring harness testing, component electrical testing.
Rebuilds:
Comprehensive instructions for engine and transmission rebuilds, including specifications for machining and clearances.
Component Specs:
Detailed specifications for all major components, including tolerances, clearances, and wear limits.
Engine Type:
Four-stroke, SOHC, Air-cooled
Displacement 125Cc:
124.6 cc (for 125cc variant)
Displacement 150Cc:
150 cc (for 150cc variant - exact displacement may vary slightly based on regional specification)
Horsepower Approx 125Cc:
Estimated 8-10 HP (at crankshaft, dependent on exact model year and tune)
Horsepower Approx 150Cc:
Estimated 10-12 HP (at crankshaft, dependent on exact model year and tune)
Cooling System:
Forced Air Cooling
Fuel Delivery:
Carburetor (common for this class, though later models might have EFI)
Fuel Type:
Unleaded Gasoline
Fuel Tank Capacity:
Typically around 5-7 Liters (specific value to be confirmed in manual)
Ignition System:
CDI (Capacitor Discharge Ignition)
Engine Oil Change:
Typically every 3,000 - 5,000 km or 6-12 months (refer to manual for exact interval and conditions).
Air Filter Replacement:
Inspect every 3,000 km, replace as needed or every 10,000 - 15,000 km.
Spark Plug Replacement:
Typically every 5,000 - 10,000 km, depending on plug type.
Cvt Belt Inspection:
Inspect every 10,000 km, replace as needed (typically between 15,000 - 30,000 km).
Gear Oil Change:
Not applicable for CVT scooters, but final drive oil may require periodic checks/changes if a separate gearbox is present (unlikely for this model).
Engine Oil Grade:
SAE 10W-40 API SG or higher (confirm in manual for exact specification and API rating).
Engine Oil Capacity:
Approx. 0.8 - 1.0 Liters (check dipstick or fill plug level).
Brake Fluid Type:
DOT 3 or DOT 4 (confirm in manual for specific requirement).
Coolant Type:
Ethylene glycol-based antifreeze coolant (usually a 50/50 mix with distilled water).
Common Wear Items:
CVT belt, brake pads, tires, suspension bushings, starter motor brushes.
Potential Electrical Issues:
Wiring harness connections, rectifier/regulator failure, battery drain (depending on usage and maintenance).
Engine Performance Degradation:
Can be caused by clogged air filter, worn CVT belt, or incorrect valve clearances.
