Market Segment:
Compact, urban-focused scooter.
Key Competitors:
Honda Ruckus, Kymco Agility, SYM Fiddle, Aprilia Scarabeo (depending on specific market).
Model Strengths:
Rugged styling, comfortable ride, fuel efficiency, ease of use for urban commuting.
Manual Benefit:
Empowers owners and technicians with comprehensive knowledge for efficient maintenance and repair, reducing reliance on costly service centers.
Coverage Scope:
Complete Factory Service, Repair, and Workshop
Applicable Models:
Yamaha YW50X Zuma (2008-2009)
Estimated Page Count:
Detailed information suggests a comprehensive manual, typically between 200-400 pages for this type of vehicle and coverage.
Manual Type:
Factory Service Manual / Repair Manual / Workshop Manual
Format:
Digital Download (PDF or similar for computer, tablet, smartphone)
Licensing Terms:
No extra fees, No expiry dates
Engine System:
Complete engine disassembly, assembly, overhaul, tuning, and troubleshooting.
Fuel System:
Carburetor, fuel pump, fuel lines, fuel tank inspection and maintenance.
Ignition System:
CDI unit, spark plug, ignition coil, timing checks.
Cooling System:
Liquid cooling system, radiator, coolant, water pump, thermostat.
Transmission System:
Automatic CVT (Continuously Variable Transmission), clutch, drive belt, gear oil.
Suspension System:
Front fork assembly, rear shock absorber, linkage (if applicable).
Braking System:
Front and rear brake systems (disc/drum), brake fluid, brake lines, master cylinder, calipers/wheel cylinders.
Electrical System:
Wiring diagrams, battery, charging system (stator, regulator/rectifier), lighting, starter, horn, indicators.
Frame And Body:
Chassis, body panels, seat, handlebars, instrumentation, storage.
Wheel And Tires:
Wheel inspection, tire pressure, replacement, bearing maintenance.
Maintenance Procedures:
Scheduled maintenance, oil changes, filter replacements, spark plug checks, fluid top-offs, brake adjustments.
Repair Procedures:
Step-by-step instructions for component removal, installation, and repair.
Troubleshooting:
Diagnostic flowcharts and common problem identification for various systems.
Specifications And Measurements:
Torque specifications, clearances, dimensions, voltage checks.
Overhaul Instructions:
Detailed instructions for complete engine, transmission, and component overhauls.
Technical Depth:
Comprehensive, from basic user maintenance to advanced engine rebuilds and electrical diagnostics.
Engine Type:
Four-stroke, liquid-cooled, SOHC
Displacement:
49cc (cc: cubic centimeters)
Bore X Stroke:
36.0 mm x 48.5 mm (typical for this engine family)
Compression Ratio:
12.0:1 (typical for this engine family)
Horsepower:
Approx. 3.8 HP @ 7500 RPM (Estimate, actual may vary slightly)
Torque:
Approx. 2.8 lb-ft @ 6500 RPM (Estimate, actual may vary slightly)
Fuel Delivery:
Mikuni VM16SH carburetor
Fuel Type:
Unleaded Gasoline, Octane Rating 87 or higher
Ignition System Type:
DC-CDI (Capacitor Discharge Ignition)
Spark Plug Type:
NGK CR7E (or equivalent)
Cooling Method:
Liquid Cooled
Oil Type:
Yamalube 4 (or equivalent SAE 10W-40 API SE, SF, SG, SH, SJ, SL classified oil)
Oil Capacity:
0.80 L (800 ml) for oil change without filter, 0.90 L (900 ml) with filter change (verify in manual)
Overall Length:
Approx. 1700 mm (66.9 in)
Overall Width:
Approx. 660 mm (26.0 in)
Overall Height:
Approx. 1030 mm (40.6 in)
Seat Height:
Approx. 740 mm (29.1 in)
Wheelbase:
Approx. 1205 mm (47.4 in)
Dry Weight:
Approx. 83 kg (183 lbs)
Wet Weight:
Approx. 89 kg (196 lbs) (Estimate with fluids)
Weight Distribution:
Designed for stable urban maneuverability.
Underseat Storage:
Ample storage for a helmet or groceries.
Front Tire Size:
120/90-10
Rear Tire Size:
130/90-10
Wheel Bolt Pattern:
N/A (Scooter specific hub mounting)
Crash Test Ratings:
Not applicable for this vehicle class in standard automotive ratings.
Braking System:
Front disc brake, Rear drum brake (standard configuration).
Lighting:
Halogen headlight, LED taillight/brake light, turn signals.
Frame Construction:
Steel tube frame for rigidity and durability.
Ride Stability:
Wide handlebars and comfortable seating position contribute to stable handling.
Engine Oil Change:
Every 2,000 km (1,200 miles) or 6 months, whichever comes first. (Verify in manual)
Air Filter Cleaning Or Replacement:
Inspect every 1,000 km (600 miles), clean/replace as needed. (Verify in manual)
Spark Plug Inspection:
Every 1,000 km (600 miles). (Verify in manual)
Cv Belt Inspection Or Replacement:
Inspect every 5,000 km (3,000 miles), replace as needed. (Verify in manual)
Brake Fluid Replacement:
Every 2 years or as recommended. (Verify in manual)
Coolant Type:
Yamaha Antifreeze Coolant (or equivalent ethylene glycol-based coolant with demineralized water, 50/50 mix)
Common Wear Items:
CVT belt, drive rollers, brake pads, tires, and suspension components are common wear items requiring periodic inspection and replacement.
Electrical Connections:
Corrosion in electrical connectors can sometimes cause intermittent issues, especially in humid environments. Manual covers inspection and cleaning.
Carburetor Cleaning:
Regular cleaning of the carburetor may be necessary to ensure optimal performance and prevent starting issues, especially with fuel variations.
Yamaha Motor Corporation:
Founded in 1955, Yamaha Motor Company is a globally renowned manufacturer of motorcycles, scooters, marine products, and more, known for innovation and quality.
Zuma Lineage:
The Zuma (BW's in some markets) line is characterized by its distinctive, rugged, and often off-road inspired styling, differentiating it from more conventional scooters.
Yw50X Development:
The YW50X represents Yamaha's commitment to the lightweight scooter segment, focusing on practicality and a unique aesthetic for urban riders.
Manufacturing Location:
Primarily manufactured in Indonesia for global markets.