Segment:
Compact Scooter / Moped
Target Audience:
Urban commuters, recreational riders, DIY enthusiasts.
Competitors:
Honda Ruckus, Kymco Agility 50, Aprilia Scarabeo 50.
Vehicle Appeal:
Rugged styling, agile handling, fuel efficiency, durability.
Manual Value Proposition:
Empowers owners to perform all necessary maintenance and repairs, saving on labor costs and extending vehicle lifespan.
Engine:
Detailed diagnosis, overhaul, tuning, and component repair for the 49cc 2-stroke engine.
Fuel System:
Carburetor adjustment, cleaning, jetting, fuel pump, fuel lines.
Ignition System:
CDI, spark plug, ignition coil, timing specifications.
Cooling System:
Air cooling system maintenance and inspection.
Transmission:
CVT (Continuously Variable Transmission) maintenance, belt inspection, roller weights, clutch operation.
Chassis:
Frame inspection, structural integrity.
Suspension:
Front fork overhaul, rear shock absorber maintenance, spring settings.
Brakes:
Front and rear brake system service, pad replacement, fluid flush, drum brake adjustment.
Electrical System:
Wiring diagrams, lighting, battery, starter, charging system, fuses, relays.
Bodywork:
Panel removal and installation, fairings, seats, storage compartments.
Wheels And Tires:
Tire pressure, replacement, wheel bearing service.
Scheduled Maintenance:
Detailed maintenance intervals for oil changes, filter replacement, spark plugs, and drivetrain.
Troubleshooting:
Comprehensive diagnostic guides for common issues, starting problems, performance degradation.
Engine Rebuild:
Step-by-step instructions for complete engine disassembly, inspection, and reassembly.
Carburetor Rebuild:
Detailed procedures for cleaning, rebuilding, and tuning the Mikuni carburetor.
Cvt Service:
Guidance on CVT belt replacement, roller inspection, and clutch component servicing.
Electrical Diagnostics:
Wiring diagram interpretation and troubleshooting for electrical faults.
Brake System Service:
Front and rear brake pad replacement, bleeding, and adjustment procedures.
Fork Overhaul:
Step-by-step guide for front fork oil replacement and seal replacement.
Depth:
Enthusiast to Professional Level. Covers basic maintenance to complete engine and transmission rebuilds.
Engine Type:
4-stroke, Single Cylinder, Air-Cooled
Bore X Stroke:
39.0mm x 41.4mm
Compression Ratio:
7.4 : 1
Starting System:
Electric and Kick Start
Horsepower:
Approx. 3.7 HP @ 7000 RPM
Torque:
Approx. 2.8 lb-ft @ 6500 RPM
Carburetor Model:
Mikuni VM14
Fuel Capacity:
1.2 gal (4.7 L)
Fuel Type:
Unleaded Gasoline (87 Octane Minimum)
Oil Type:
Yamalube 2-Stroke Oil (API Service TC or JASO FC)
Oil Capacity:
0.15 gal (0.6 L) (for oil injection reservoir)
Engine Oil Change:
Every 2,000 km (1,200 miles) or 6 months (refer to manual for specific conditions).
Spark Plug Inspection:
Every 2,000 km (1,200 miles).
Cvt Belt Inspection:
Every 6,000 km (3,600 miles).
Air Filter Cleaning:
Every 2,000 km (1,200 miles).
Engine Oil Type:
Yamalube 4-stroke mineral oil (e.g., Yamalube 10W-40)
Brake Fluid Type:
DOT 3 or DOT 4 (refer to manual for specific grade)
Two Stroke Oil Type:
API TC or JASO FC certified 2-stroke oil
Common Wear Items:
CVT belt, brake pads, tires, spark plug, carburetor jets due to fuel quality.
Performance Loss:
Often related to carburetor clogging, fouled spark plugs, or worn CVT components.
Starting Difficulty:
Can be caused by fuel delivery issues, weak spark, or internal engine wear.
Electrical Gremlins:
Corroded connectors or aging wiring can cause intermittent electrical issues.
Heritage:
Yamaha Motor Company, established in 1955, has a long history in motorcycle and scooter manufacturing, known for innovation and performance.
Zuma Introduction:
The Yamaha Zuma (also known as BWs in some markets) was introduced to offer a rugged, stylish, and practical urban mobility solution.
Yw50Ap Design:
The YW50AP generation is characterized by its distinctive exposed frame, off-road inspired styling, and practical features for daily use.
Manufacturing Location:
Likely manufactured in Taiwan or Indonesia under Yamaha's global production network.
