Vehicle Segment:
Lightweight scooter / commuter segment.
Target Audience:
Urban commuters, entry-level riders, and individuals seeking economical and reliable transportation.
Key Competitors:
Honda PCX series, Kymco Agility, SYM Fiddle, Aprilia Scarabeo.
Feature 1:
Compact and agile for easy maneuverability in city traffic.
Feature 2:
Fuel-efficient 125cc engine.
Feature 3:
Automatic transmission (CVT) for effortless riding.
Value To Owner:
Empowers owners and technicians with the knowledge to perform accurate diagnostics, repairs, and preventative maintenance, saving time and money.
Value To Business:
Essential resource for service departments and independent workshops specializing in Yamaha scooters.
Engine Mechanical:
Complete engine disassembly, inspection, overhaul, and assembly procedures for all internal components.
Fuel System:
Carburetor tuning, cleaning, inspection, fuel pump, fuel lines, and fuel tank maintenance.
Ignition System:
Spark plug specifications, ignition timing, CDI unit, and related electrical components.
Cooling System:
Radiator, fan, water pump, coolant flow, and related hoses and thermostats.
Transmission Drivetrain:
Automatic transmission (CVT) inspection, maintenance, belt replacement, roller weights, and clutch assembly.
Brakes:
Front and rear brake system service, hydraulic lines, brake fluid specifications, pad replacement, and caliper maintenance.
Suspension Steering:
Front fork assembly, rear shock absorber replacement, steering system, and wheel bearing service.
Electrical System:
Wiring diagrams, lighting system, battery maintenance, starter motor, charging system, and fuses.
Body Chassis:
Body panel removal and installation, seat, fairings, and frame inspection.
Troubleshooting:
Detailed diagnostic procedures for common and uncommon issues, symptom-based troubleshooting guides.
Routine Maintenance:
Oil changes, filter replacements, spark plug checks, brake adjustments, and general inspections.
Component Removal Installation:
Step-by-step guides for removing and installing major and minor components.
Overhaul Rebuild:
Comprehensive instructions for engine rebuilds, transmission overhauls, and suspension component refurbishment.
Wiring Diagrams:
Clear and detailed wiring schematics for all electrical systems.
Torque Specifications:
Precise torque values for all critical fasteners throughout the vehicle.
Depth:
Comprehensive; covers from basic maintenance to complete engine and transmission rebuilds, including advanced diagnostics.
Engine Type:
Four-stroke, liquid-cooled, SOHC
Bore X Stroke:
Refer to manual for specific dimensions
Compression Ratio:
Refer to manual for specific ratio
Cylinder Arrangement:
Single Cylinder
Horsepower:
Approx. 10-12 HP (exact figures vary by region and tune)
Torque:
Refer to manual for specific torque output
Fuel Delivery:
Carburetor
Recommended Fuel:
Unleaded gasoline (91 octane or higher)
Oil Type:
Yamalube 4 (or equivalent SAE 10W-40 API SG or higher)
Oil Capacity:
Refer to manual for exact capacity with filter change
Type:
Automatic (CVT - Continuously Variable Transmission)
Clutch Type:
Wet, centrifugal, automatic
Gear Reduction:
Refer to manual for specific gear ratios and reduction stages.
Transmission Fluid:
Yamaha Gear Oil 80W API 'GL-4' (or equivalent)
Transmission Fluid Capacity:
Refer to manual for specific capacity
Length:
Refer to manual for exact dimensions
Width:
Refer to manual for exact dimensions
Height:
Refer to manual for exact dimensions
Dry Weight:
Approx. 115-120 kg (exact figures vary by spec)
Wet Weight:
Refer to manual for exact weight with fluids
Max Load Capacity:
Refer to manual for specific weight limits
Crash Test Ratings:
N/A (Motorcycles and scooters are not typically rated by consumer safety organizations like NHTSA or Euro NCAP in the same way as cars).
Braking System:
Front disc brake, Rear drum brake (some models may have rear disc).
Lighting:
Halogen headlight, LED tail light, Turn signals.
Frame Construction:
Steel frame construction designed for stability.
Features:
Basic dashboard instrumentation including speedometer, odometer, fuel gauge, and indicator lights.
Features:
N/A (No advanced electronic driver assistance systems typical for scooters).
Features:
N/A (No integrated smartphone connectivity or Bluetooth features).
Engine Oil Change:
Every 4,000 km or 6 months, whichever comes first.
Oil Filter Replacement:
Every 8,000 km or 12 months, coinciding with oil changes.
Air Filter Cleaning Replacement:
Inspect every 4,000 km, clean/replace as needed. Specific interval in manual.
Spark Plug Check Replacement:
Check every 4,000 km, replace as needed based on condition (refer to manual for specific gap).
Brake Fluid Flush:
Every 2 years (DOT 4 recommended).
Engine Oil Viscosity:
SAE 10W-40
Engine Oil Standard:
API SG or higher
Coolant Type:
Ethylene glycol-based antifreeze (50% mixture with distilled water)
Common Issue 1:
CVT belt wear: Gradual loss of acceleration, slipping sensation. Replacement recommended around 20,000-30,000 km.
Common Issue 2:
Carburetor tuning: Can become rich or lean over time, affecting performance and fuel economy. Requires periodic cleaning and adjustment.
Common Issue 3:
Electrical connector corrosion: Especially in humid climates, connectors can corrode, leading to intermittent electrical faults.
Common Issue 4:
Front fork seals: Can develop leaks, requiring seal replacement and fork oil service.
Brand Reputation:
Yamaha is renowned globally for its high-performance motorcycles, musical instruments, and innovative technology.
Nxc Series Context:
The NXC series represents Yamaha's commitment to the commuter scooter market, offering a blend of performance, efficiency, and Yamaha's characteristic build quality.
Manufacturing Location:
Typically manufactured in Southeast Asia (e.g., Indonesia, Thailand) for various global markets.