Market Segment:
Lightweight scooter, popular for urban commuting and recreational use.
Key Competitors:
Honda Dio, Suzuki Address, Kymco Agility 50, SYM Fiddle II 50.
Design Philosophy:
Retro styling with modern, reliable four-stroke scooter technology.
Manual Benefit:
Empowers owners and independent repair shops to perform all necessary maintenance and repairs, saving time and money.
Engine System:
Complete engine disassembly, inspection, assembly, tuning, and repair procedures for the 4-stroke, 2-valve, air-cooled engine.
Fuel System:
Carburetor identification, adjustment, cleaning, rebuilding, fuel tank and line maintenance.
Cooling System:
Air-cooling system components, airflow management, and heat dissipation.
Transmission System:
Automatic Continuously Variable Transmission (CVT) inspection, belt replacement, clutch assembly, and final drive maintenance.
Electrical System:
Ignition system testing and adjustment, lighting circuits (headlight, taillight, indicators), starter system, charging system (stator, rectifier/regulator), battery maintenance and testing, and wiring diagrams.
Braking System:
Front and rear brake mechanisms (drum or disc depending on variant), brake pad/shoe inspection and replacement, brake fluid maintenance (if applicable), and cable adjustments.
Suspension System:
Front fork maintenance, rear shock absorber inspection and replacement, and related linkage components.
Steering System:
Handlebar assembly, steering bearings inspection and lubrication, and related control cables.
Frame And Bodywork:
Chassis inspection, fairing removal and installation, seat assembly, and general body panel maintenance.
Wheels And Tires:
Tire pressure and condition checks, wheel bearing maintenance, and rim inspection.
Preventive Maintenance:
Detailed schedules for oil changes, air filter cleaning/replacement, spark plug checks, brake adjustments, and CVT belt inspection.
Troubleshooting Diagnostics:
Systematic diagnostic charts and procedures for identifying and resolving common operational issues.
Engine Repair:
Step-by-step instructions for engine overhaul, valve clearance adjustment, piston and cylinder inspection, and crankshaft seal replacement.
Electrical Repair:
Wiring diagram interpretation, component testing (e.g., ignition coil, stator), and troubleshooting electrical faults.
Cvt Maintenance:
CVT outer and inner sheave inspection, roller weight checks, clutch spring replacement, and torque converter service.
Brake Service:
Brake shoe replacement procedures, drum cleaning, and cable lubrication/adjustment.
Suspension Overhaul:
Front fork oil change and seal replacement, rear shock unit replacement.
Depth Of Coverage:
Comprehensive from basic maintenance to complete engine and transmission rebuilds.
Diagnostic Level:
Advanced diagnostic procedures, including electrical system troubleshooting using multimeters and specific test parameters.
Torque Specifications:
Detailed torque values for all critical fasteners, ensuring proper assembly and preventing component damage.
Special Tools:
Identification of specialized tools required for specific procedures (e.g., flywheel puller, CVT clutch tools).
Engine Type:
4-stroke, Air-cooled, SOHC, 2-valve
Engine Displacement:
49 cc (approx.)
Bore X Stroke:
39.0 mm x 41.4 mm (representative, verify with specific model data)
Compression Ratio:
12.0:1 (representative, verify with specific model data)
Horsepower:
Approx. 3.4 - 3.7 PS @ 7,500 rpm (representative, verify with specific model data)
Torque:
Approx. 0.37 kgf-m @ 6,000 rpm (representative, verify with specific model data)
Fuel Delivery:
Carburetor (Mikuni VM12 or similar, verify with manual)
Fuel Tank Capacity:
Approx. 4.3 Liters (verify with manual)
Oil Type:
Yamalube 4 (or equivalent API SE, SF, SG, SH, SJ) SAE 10W-30 or 20W-40 (verify with manual)
Oil Capacity:
Approx. 0.8 Liters (without filter change), 0.9 Liters (with filter change) (verify with manual)
Length:
Approx. 1,740 mm (verify with manual)
Width:
Approx. 665 mm (verify with manual)
Height:
Approx. 1,030 mm (verify with manual)
Wheelbase:
Approx. 1,240 mm (verify with manual)
Dry Weight:
Approx. 79 kg (verify with manual)
Wet Weight:
Approx. 85 kg (verify with manual)
Front Tire Size:
3.00-10 42J (verify with manual)
Rear Tire Size:
3.00-10 42J (verify with manual)
Wheel Type:
Cast aluminum alloy (typical)
Engine Oil Change:
Every 3,000 km or 6 months, whichever comes first (verify with manual).
Air Filter Cleaning:
Every 3,000 km or 6 months (verify with manual).
Spark Plug Inspection:
Every 6,000 km or 12 months (verify with manual).
Cvtvbelt Inspection:
Every 6,000 km or 12 months (verify with manual).
Engine Oil:
SAE 10W-30 API SE, SF, SG, SH, SJ classification (verify with manual).
Gear Oil:
Yamalube Gear Oil (or equivalent API GL-4) SAE 80W-90 (verify with manual).
Cvtvbelt Wear:
CVT belt wear and slippage can occur with age and mileage, leading to poor acceleration. Regular inspection and replacement are crucial.
Carburetor Clogging:
Fuel varnish can build up in the carburetor jets over time, especially if the scooter sits for extended periods, leading to starting issues or rough running.
Electrical Connections:
Corrosion or looseness in electrical connectors can cause intermittent issues with lights or starting.
Yamaha Legacy:
Yamaha Motor Company, established in 1955, renowned for its high-quality motorcycles, scooters, marine products, and musical instruments. Strong reputation for innovation and performance.
Vno Series History:
The Vino line, introduced in the late 1990s, became known for its distinctive retro styling, often evoking 1950s and 1960s European scooter designs. It offered a stylish and practical urban mobility solution.
Manufacturing Origin:
Likely manufactured in Japan or Southeast Asia by Yamaha Motor Co., Ltd. (specific plant information not provided).
