Vehicle Segment:
50cc Scooter, urban commuter.
Target Audience:
Young riders, urban commuters, those seeking fuel-efficient and easy-to-operate transportation.
Key Competitors:
Honda Dio, Suzuki Address, Kymco Agility 50, various other 50cc scooters from Asian manufacturers.
Design Philosophy:
Retro-styled, lightweight, user-friendly, economical urban mobility.
Manual Value Proposition:
Provides comprehensive, manufacturer-level technical data for accurate diagnosis and repair, enabling owners to maintain their vehicle effectively and save on service costs.
Engine Mechanical:
Complete overhaul and repair of the 4-stroke, air-cooled engine.
Fuel System:
Carburetor (CV type), fuel tank, fuel lines, fuel pump (if applicable).
Ignition System:
CDI, ignition coil, spark plug, wiring.
Cooling System:
Air-cooled; includes cylinder head and cylinder cooling fin inspection and cleaning.
Exhaust System:
Muffler, exhaust pipe, heat shields, inspection and replacement procedures.
Transmission:
Automatic CVT (Continuously Variable Transmission) including drive and driven pulleys, belt, and gearbox.
Brakes:
Front and rear braking systems (typically drum or disc depending on specific market configuration), brake levers, cables, hydraulic lines (if applicable), and brake fluid.
Suspension:
Front telescopic forks and rear shock absorber, including disassembly, inspection, and replacement.
Steering:
Handlebars, steering stem, bearings, inspection and lubrication.
Electrical System:
Wiring harness, battery, charging system (stator, regulator/rectifier), lighting (headlight, taillight, turn signals), horn, starter motor, and switches.
Chassis Frame:
Frame inspection, fork assembly, swingarm, and related components.
Bodywork And Trim:
Fairings, seat, floorboard, fenders, and other cosmetic components; removal and installation.
Wheels And Tires:
Wheel bearing inspection, tire pressure, tire replacement, and balancing.
Routine Maintenance:
Oil changes, spark plug replacement, air filter cleaning/replacement, drive belt inspection, brake adjustments.
Troubleshooting:
Diagnostic charts and procedures for common starting, running, and electrical issues.
Engine Rebuild:
Detailed steps for engine disassembly, inspection of internal components (piston, rings, cylinder, crankshaft, valves), and reassembly.
Transmission Overhaul:
CVT unit disassembly, inspection of clutch, weights, springs, and belt wear.
Carburetor Rebuild:
Carburetor disassembly, cleaning, jet replacement, and adjustment procedures.
Electrical Diagnostics:
Wiring diagrams, continuity testing, component testing (regulator, stator, etc.).
Brake System Service:
Brake pad/shoe replacement, drum/disc inspection, brake fluid flush and replacement.
Suspension Fork Rebuild:
Fork oil replacement, seal replacement, and general fork assembly.
Special Tool Identification:
References to necessary special tools for specific repair procedures.
Diagnostic Capabilities:
Advanced diagnostics for engine performance and electrical systems, supported by troubleshooting flowcharts.
Repair Level:
Comprehensive repair and overhaul capabilities, suitable for professional technicians and experienced DIY mechanics.
Specification Data:
Detailed torque specifications, clearances, fluid capacities, and performance data.
Engine Type:
4-stroke, air-cooled, SOHC
Bore X Stroke:
39.0 mm x 41.4 mm (Approximate, may vary slightly by exact sub-model)
Compression Ratio:
10.0:1 (Typical for this engine configuration)
Horsepower:
Approx. 4.0 - 4.5 HP (at 7000-7500 rpm, varies by regulation and market)
Torque:
Approx. 4.0 - 4.3 Nm (at 5500-6500 rpm, varies by regulation and market)
Carburetor Type:
Mikuni VM17 (Typical, may vary)
Fuel Tank Capacity:
Approx. 4.0 Liters
Oil Capacity:
Approx. 0.8 Liters (for engine oil, refer to manual for exact procedure)
Spark Plug Type:
NGK CR7HSA or equivalent
Engine Serial Number Location:
Typically stamped on the crankcase, near the transmission housing (refer to manual for exact location).
Engine Oil Change:
Every 3,000 km or 6 months (whichever comes first), refer to manual for specific oil type.
Air Filter Cleaning:
Every 3,000 km, replace if damaged or excessively dirty.
Spark Plug Inspection:
Every 6,000 km or 12 months, replace as needed.
Cv Belt Inspection:
Every 6,000 km, check for wear and replace if necessary.
Brake Pad Inspection:
Inspect every 6,000 km, replace as needed.
Gear Oil Change:
Every 12,000 km or 24 months.
Engine Oil Grade:
Yamalube 4 (or equivalent SAE 10W-40 API SE, SF, SG or higher)
Final Drive Gear Oil Grade:
SAE 80 API GL-4 or SAE 90 API GL-5
Brake Fluid Type:
DOT 3 or DOT 4 (refer to manual for exact specification and replacement interval).
Common Wear Items:
CVT belt, brake pads/shoes, tires, suspension bushings, and exhaust system components are common wear items due to city commuting use.
Carburetor Clogging:
Can occur with infrequent use or poor fuel quality, requiring cleaning and synchronization.
Electrical Connection Corrosion:
In humid or coastal environments, electrical connectors may corrode, leading to intermittent issues.
Yamaha Legacy:
Yamaha Motor Company, founded in 1955, is a globally recognized manufacturer of motorcycles, scooters, marine products, and musical instruments, known for innovation and quality.
Vinoff Introduction:
The Yamaha Vino, known for its distinctive retro styling, was first introduced in Japan in the late 1990s and gained popularity worldwide for its charm and practicality.
2001-2003 Generation:
This generation represents a refinement of the original Vino design, focusing on reliability and urban usability. Mechanicals are largely consistent with earlier models, with minor updates.
Manufacturing Location:
Primarily manufactured in Taiwan by Yamaha's affiliated companies, or in Japan for specific markets.
