Positioning:
The Yamaha Vino 125 YJ125S is positioned as an accessible, stylish, and practical urban commuter scooter, known for its retro styling and ease of use.
Competitors:
Competes with other 125cc scooters from brands like Honda (e.g., Metropolitan), Kymco, SYM, and Taiwanese manufacturers offering similar urban-focused designs and utility.
Features:
Distinctive retro styling, comfortable seating, ample under-seat storage, fuel-efficient 125cc engine, automatic transmission for easy operation, lightweight and maneuverable for city riding.
Engine:
Complete engine assembly, disassembly, inspection, and repair procedures for the 125cc 1-cylinder, 4-stroke, air-cooled, SOHC engine.
Fuel System:
Carburetor (type, adjustment, cleaning, overhaul), fuel tank, fuel filter, fuel lines.
Ignition System:
CDI unit, ignition coil, spark plug, wiring.
Transmission:
Automatic CVT (Continuously Variable Transmission) system, drive belt, clutch, torque converter, variator inspection and replacement.
Chassis Frame:
Frame inspection, fork disassembly and assembly, shock absorber replacement, steering system overhaul.
Brakes:
Front and rear brake systems (likely drum brakes for this model), brake lever adjustment, brake shoe replacement, brake cable maintenance.
Electrical System:
Wiring diagrams, battery maintenance, charging system (stator, rectifier/regulator), lighting system (headlight, taillight, turn signals), starter motor, horn.
Body Panels:
Removal and installation of fairings, seat, storage compartments, and other body components.
Wheels Tires:
Wheel removal and installation, tire pressure checks, bearing inspection and lubrication.
Maintenance:
Routine maintenance tasks such as oil changes, air filter cleaning/replacement, spark plug replacement, carburetor adjustments, brake checks, belt inspection.
Troubleshooting:
Diagnostic procedures for common problems related to starting, running, electrical systems, and performance issues.
Repair:
Step-by-step instructions for component disassembly, cleaning, inspection, repair, and reassembly.
Overhaul:
Detailed procedures for engine, carburetor, and transmission overhauls.
Torque Specifications:
Crucial torque values for all fasteners and critical components.
Depth:
Comprehensive, suitable for professional technicians and experienced DIY mechanics. Covers from basic maintenance to complete engine and transmission rebuilds.
Engine Type:
125cc, 1-Cylinder, 4-Stroke, Air-Cooled, SOHC
Bore X Stroke:
Refer to manual for exact specifications, typically around 52.4 mm x 57.9 mm
Compression Ratio:
Refer to manual for exact specifications, typically around 10.0:1
Valve Arrangement:
SOHC (Single Overhead Camshaft)
Horsepower:
Typically around 8-9 HP at specified RPM (refer to manual for exact figure).
Torque:
Typically around 6-7 lb-ft at specified RPM (refer to manual for exact figure).
Fuel Delivery:
Carburetor (Mikuni VM26 or similar, specific model number in manual)
Fuel Type:
Unleaded gasoline
Oil Type:
Yamalube (or equivalent) 4-stroke motorcycle oil, SAE 10W-40 or 20W-40 (refer to manual for exact specification and viscosity based on temperature).
Oil Capacity:
Approx. 0.9 - 1.0 Liters (Refer to manual for exact capacity with filter change).
Length:
Refer to manual, typically around 1850 mm
Width:
Refer to manual, typically around 675 mm
Height:
Refer to manual, typically around 1140 mm
Wheelbase:
Refer to manual, typically around 1310 mm
Dry Weight:
Refer to manual, typically around 100-110 kg
Fuel Tank Capacity:
Refer to manual, typically around 5.5 Liters
Safety Standards:
Manufactured to meet relevant global safety and emissions standards for its production era.
Lighting:
Halogen headlight, LED taillight, turn signals.
Braking:
Front and rear drum brakes, often with linked braking system for improved control.
Frame Construction:
Steel tube frame for rigidity and durability.
Parking Brake:
Typically a handlebar-mounted lever.
Features:
Basic instrumentation: speedometer, odometer, fuel gauge, indicator lights. No advanced infotainment systems on this model.
Features:
N/A (As this is a scooter, advanced driver assistance systems are not applicable).
Features:
N/A (No Bluetooth or Wi-Fi connectivity).
Oil Change:
Every 3,000-5,000 km or 6 months, whichever comes first (refer to manual for precise interval).
Air Filter:
Clean every 3,000-5,000 km, replace as needed (refer to manual).
Spark Plug:
Inspect every 5,000-10,000 km, replace as needed (refer to manual for specific plug type and gap).
Drive Belt:
Inspect every 10,000-15,000 km, replace as needed (refer to manual for wear limits).
Engine Oil Viscosity:
SAE 10W-40 or 20W-40 (refer to manual based on ambient temperature).
Brake Fluid:
DOT 3 or DOT 4 (refer to manual for specific type).
Common Issues:
Potential issues can include carburetor clogging due to infrequent use, drive belt wear, and occasional electrical glitches. Regular maintenance as per the manual is key to preventing these.
Preventative Maintenance:
Emphasis on keeping the fuel system clean, using fresh fuel, and ensuring proper battery maintenance for reliable starting.
Heritage:
Yamaha Motor Company, established in 1955, has a rich history in motorcycle and scooter manufacturing, known for innovation, performance, and reliability.
Evolution:
The Vino line, known for its retro styling, has seen various iterations and engine displacements across different markets, with the 125cc model offering a balance of power and efficiency for urban use.
Production Period:
The YJ125S Vino 125 was produced roughly from the mid-2000s (e.g., 2004-2007, exact years vary by market).
