Segment:
Lightweight scooter, urban mobility.
Target Audience:
Owners and independent repair shops seeking professional-level service information.
Key Competitors Model Years:
Honda Metropolitan (similar era), Aprilia Scarabeo 50, Kymco Agility 50.
Manual Advantage:
Provides the same detailed, factory-approved procedures as used by Yamaha dealerships.
Coverage Scope:
Comprehensive from basic maintenance to complex engine overhauls.
Primary Coverage:
2000 Yamaha ZUMA II Motorcycle
Estimated Page Count:
300-400
Manual Classification:
Service Repair Manual
File Format Quality:
High-resolution PDF, enabling clear viewing and printing of all diagrams and text.
Searchability:
Fully searchable text content for quick access to specific information.
Printable:
Printable pages for easy workshop use.
Engine System:
Full diagnosis, repair, and overhaul of the 50cc 2-stroke engine.
Fuel System:
Carburetor adjustment, cleaning, and rebuild; fuel tank and lines.
Ignition System:
CDI unit, spark plug, ignition timing, and troubleshooting.
Cooling System:
Air cooling system components and maintenance.
Transmission System:
CVT (Continuously Variable Transmission) clutch, variator, and drive belt maintenance and replacement.
Chassis Frame:
Frame inspection, alignment, and component mounting.
Suspension System:
Front fork overhaul, rear shock absorber inspection and replacement.
Braking System:
Front and rear brake servicing, pad replacement, hydraulic system bleeding (if applicable).
Electrical System:
Wiring diagrams, battery, lighting, starter system, horn, and fuse diagnostics.
Bodywork Trim:
Fairing removal and installation, seat, and body panel maintenance.
Exhaust System:
Muffler and exhaust pipe inspection and replacement.
Routine Maintenance:
Oil changes, air filter cleaning/replacement, spark plug checks, lubrication points.
Troubleshooting:
Step-by-step diagnostic procedures for common and uncommon issues.
Repair Procedures:
Detailed instructions for component disassembly, repair, and reassembly.
Adjustments:
Carburetor, brake, and clutch adjustments.
Diagnostic Charts:
Fault finding charts and logic trees.
Specifications Data:
Torque values, clearances, and tolerances for all components.
Diagnostic Capability:
Comprehensive, suitable for dealership-level diagnostics and repair.
Rebuild Procedures:
Covers complete engine and transmission rebuilds.
Engine Type:
2-stroke, air-cooled, single-cylinder
Bore X Stroke:
39.0 mm x 41.4 mm
Compression Ratio:
7.0 : 1 (approx.)
Horsepower:
Approx. 4.0 - 4.5 HP @ 7000 RPM (varies slightly by region/emissions)
Torque:
Approx. 3.2 lb-ft @ 6500 RPM (varies slightly)
Fuel Delivery:
Mikuni VM16SC carburetor
Fuel Type:
Unleaded gasoline (90 octane or higher recommended)
Oil Mixing:
Automatic oil injection system
Oil Type:
Yamaha 2-stroke outboard motor oil or equivalent JASO FD/FC certified 2T oil
Overall Length:
Approx. 1740 mm (68.5 in)
Overall Width:
Approx. 665 mm (26.2 in)
Overall Height:
Approx. 1050 mm (41.3 in)
Wheelbase:
Approx. 1260 mm (49.6 in)
Ground Clearance:
Approx. 120 mm (4.7 in)
Curb Weight:
Approx. 77 kg (169.8 lbs)
Fuel Capacity:
4.7 Liters (1.2 US gal)
Oil Tank Capacity:
1.2 Liters (0.3 US gal)
Maximum Load:
150 kg (330 lbs) including rider and cargo
Safety Certification:
Meets all applicable federal motor vehicle safety standards (FMVSS) for motorcycles.
Lighting:
Headlight, taillight, brake lights, turn signals.
Braking System:
Drum brakes front and rear (specific design details covered in manual).
Chassis Design:
Durable steel frame for stability.
Tire Type:
Tubeless tires (specification details in manual).
Dashboard:
Analog speedometer, odometer, fuel gauge, and indicator lights.
ABS:
ABS (Anti-lock Braking System) not available on this model.
Connectivity Features:
No advanced connectivity features; basic mechanical and electrical systems.
Initial Inspection:
First 600 miles (1,000 km) - includes oil change, belt inspection, etc.
Regular Oil Change:
Every 2,000 miles (3,000 km) or 6 months, whichever comes first.
Air Filter Service:
Clean every 2,000 miles (3,000 km); replace as needed.
Spark Plug Replacement:
Replace every 6,000 miles (10,000 km) or as recommended by ignition system checks.
Drive Belt Inspection:
Inspect every 6,000 miles (10,000 km); replace as needed based on wear.
Engine Oil:
Yamalube 2-stroke oil or equivalent (specified in manual for optimal performance and protection).
Transmission Fluid:
No separate transmission fluid; lubrication is integrated with engine oil for CVT components.
Common Wear Items:
Drive belt wear, carburetor jetting issues due to fuel quality, exhaust gasket leaks.
Electrical Corrosion:
Potential for corrosion in connectors due to exposure to elements; manual provides troubleshooting.
Brand Focus:
Yamaha is a globally recognized manufacturer known for its innovation in motorcycles, marine products, and musical instruments, with a strong legacy in performance and reliability.
Predecessors:
The Zuma lineage began with the BW's (Big Wheel) in Japan, which evolved into the Zuma model, a popular scooter characterized by its rugged styling and off-road-inspired features, including the Zuma II successor.
Manufacturing Location:
Likely manufactured in Japan or Taiwan by Yamaha or their authorized partners.
