Engine Mechanical:
Complete engine overhaul, internal components, cylinder, piston, crankshaft, valves, camshaft, timing.
Fuel System:
Carburetor (CV type), fuel pump, fuel lines, fuel tank, fuel filter.
Ignition System:
CDI ignition, spark plug, ignition coil, stator, wiring.
Cooling System:
Air cooling system maintenance and inspection.
Exhaust System:
Exhaust pipe, muffler inspection and maintenance.
Transmission Drivetrain:
Automatic CVT (Continuously Variable Transmission) inspection, belt replacement, roller weights, clutch assembly, drive/driven pulleys.
Suspension Front:
Front fork inspection, seal replacement, oil levels, steering system.
Suspension Rear:
Rear shock absorber inspection, mounting, swingarm.
Brakes Front:
Drum brake or disc brake (depending on specific VIN) system, brake pad/shoe inspection, hydraulic lines, master cylinder, caliper/drum maintenance.
Brakes Rear:
Drum brake system, brake shoe inspection, adjustment, cables.
Wheels Tires:
Tire pressure, wear inspection, wheel bearing service.
Electrical System:
Wiring diagrams, battery, starter, lighting system, indicators, horn, charging system (stator, regulator/rectifier).
Chassis Frame:
Frame inspection, body panels, fairings, seat.
Controls:
Throttle, brake, steering controls inspection and adjustment.
Routine Maintenance:
Oil changes, filter replacements, spark plug checks, chain/belt adjustments, fluid level checks.
Troubleshooting:
Diagnostic procedures for common performance issues, starting problems, electrical faults.
Repair Rebuild:
Step-by-step instructions for component removal, disassembly, inspection, repair, and reassembly.
Specifications Data:
Torque specifications, valve clearances, timing marks, fluid capacities, electrical resistance values.
Scope:
Comprehensive workshop-level coverage suitable for professional technicians and advanced DIY enthusiasts.
Diagnostics:
Includes diagnostic flowcharts and procedures for identifying and resolving mechanical and electrical issues.
Engine Rebuild:
Detailed instructions for complete engine disassembly, part replacement, and reassembly.
Transmission Overhaul:
In-depth procedures for CVT disassembly, component inspection, and reassembly.
Engine Type:
Air-cooled, 4-stroke, SOHC (Single Overhead Camshaft), 2-valve
Engine Displacement:
Approximately 125cc (exact displacement may vary slightly by market or sub-model)
Bore X Stroke:
Typical for 125cc class, precise figures would be in the manual.
Compression Ratio:
Typical for class, detailed in manual.
Horsepower:
Typically around 8-9 HP (exact figures depend on tuning and emission regulations).
Torque:
Torque figures will be detailed in the manual for various RPM ranges.
Fuel Delivery:
Carburetor (likely a Mikuni VM series or similar, specific model in manual)
Fuel Type:
Unleaded gasoline (refer to manual for octane rating)
Oil Type:
Yamalube or equivalent motorcycle-specific 4-stroke oil with appropriate viscosity (e.g., 10W-40 or 20W-50, confirmed in manual).
Oil Capacity:
Approximately 0.8 - 1.0 liters (refer to manual for exact capacity and checking procedure).
Overall Length:
Typical for a 125cc scooter, specific dimensions in manual.
Overall Width:
Typical for a 125cc scooter, specific dimensions in manual.
Overall Height:
Typical for a 125cc scooter, specific dimensions in manual.
Dry Weight:
Approximately 100-110 kg (refer to manual for exact figures).
Gross Vehicle Weight Rating:
GVWR figures will be provided in the manual.
Underseat Storage:
Standard for Vino models, providing storage for a helmet or small items.
Engine Oil Change:
Typically every 2,000-3,000 km or annually, refer to manual for specific interval.
Air Filter Cleaning Replacement:
Regular inspection and cleaning/replacement as per manual schedule.
Spark Plug Replacement:
Recommended replacement interval typically between 5,000-10,000 km, or as needed based on inspection.
Cv Belt Inspection Replacement:
Inspection at regular intervals and replacement typically between 10,000-20,000 km, depending on usage and wear.
Engine Oil Specification:
API SG or higher, SAE 10W-40 or 20W-50 motorcycle oil (confirm with manual).
Gearbox Oil Type:
Yamaha Gear Oil 80W-90 or equivalent (confirm with manual).
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid (confirm with manual for specific requirements).
Common Wear Items:
CVT belt wear, brake pad/shoe wear, tire wear, spark plug fouling, carburetor adjustments.
Potential Failures:
Carburetor issues due to fuel quality, electrical connector corrosion, vacuum leaks.