Segment:
Lightweight 50cc scooter, popular for urban commuting and recreational use.
Competitors:
Honda Dio, Suzuki Address, Aprilia SR50, Kymco Agility 50.
Vehicle Highlights:
Compact design, agile handling, reliable 2-stroke engine, underseat storage, electric start.
Benefit For Owner:
Empowers owners to perform maintenance, diagnose issues, and complete repairs, saving time and money.
Primary Coverage:
Complete service and repair
Secondary Coverage:
Maintenance, troubleshooting, diagnostics, specifications
Pages:
Estimated 200-300 pages (typical for this model and year)
Type:
Service Repair Manual
Format:
PDF (Digital Download)
Engine Mechanical:
Complete disassembly, inspection, repair, and reassembly of the 2-stroke engine components.
Fuel System:
Carburetor tuning, cleaning, rebuilding; fuel pump operation; fuel tank maintenance.
Ignition System:
CDI ignition system troubleshooting, spark plug selection and gap, coil testing.
Cooling System:
Air cooling system inspection and cleaning.
Transmission:
Automatic CVT (Continuously Variable Transmission) belt replacement, variator, and clutch assembly service.
Brakes:
Front and rear brake system inspection, adjustment, caliper service, brake fluid replacement.
Suspension:
Front fork and rear shock absorber inspection, maintenance, and replacement procedures.
Electrical System:
Wiring diagrams, battery maintenance, lighting system, starter motor, charging system.
Bodywork:
Panel removal and installation, seat, fairings, and storage compartment access.
Routine Maintenance:
Oil changes, spark plug replacement, air filter cleaning/replacement, drive belt inspection.
Troubleshooting:
Step-by-step guides for diagnosing common starting issues, poor performance, and electrical faults.
Engine Repair:
Piston, cylinder, crankshaft, and bearing replacement; gasket and seal renewal.
Transmission Service:
CVT component inspection and replacement, clutch shoe replacement.
Electrical Diagnostics:
Testing of ignition coils, regulators, and lighting circuits using multimeter readings.
Brake System Overhaul:
Bleeding procedures, caliper seal replacement, pad replacement.
Depth:
Comprehensive, covering basic maintenance to complete engine rebuilds and electrical system diagnostics.
Engine Type:
Air-cooled, 2-stroke, single-cylinder
Bore X Stroke:
39.0 mm x 41.4 mm (typical for Minarelli-derived engines)
Compression Ratio:
7.4:1 (typical for this engine configuration)
Horsepower:
Approximately 5-7 HP (varies by region and tuning)
Torque:
Approximately 4-5 Nm (varies by region and tuning)
Carburetor Model:
Teikei YBN41 (typical, manual will specify exact)
Fuel Type:
Unleaded gasoline
Oil Mixture:
Autolube (separate oil injection system)
Oil Type:
Yamalube 2-stroke oil or equivalent API TC rated oil
Instrument Cluster:
Analog speedometer, fuel gauge, indicator lights (turn signals, high beam, oil warning).
Assistance Features:
N/A (Basic scooter design, no electronic driver aids)
Oil Change Frequency:
Every 2,000-3,000 km or annually (engine oil for transmission/gearbox)
Spark Plug Replacement:
Every 3,000-5,000 km (NGK CR7HSA or equivalent)
Air Filter Cleaning:
Every 1,000-2,000 km
Drive Belt Inspection:
Every 3,000-5,000 km, replacement typically around 10,000-15,000 km
Transmission Oil:
Yamalube Gear Oil or equivalent SAE 80 API GL-4 (Capacity: Approx. 0.1 Liter)
Brake Fluid:
DOT 3 or DOT 4 (check manual for specific recommendation)
Common Problems:
Carburetor clogging due to infrequent use, worn drive belts, weak starter motors, carburetor float issues.
Maintenance Tips:
Regular fuel stabilizer use for storage, consistent check of coolant (if applicable for the specific sub-model) and oil levels.
Manufacturer:
Yamaha Motor Company, known for its performance motorcycles and recreational vehicles.
Jog Lineage:
The Jog series is a long-standing line of Yamaha scooters, continually updated for performance and style.
Manufacturing Location:
Primarily Japan (though specific assembly plants may vary by market).
Production Years:
The CS50Z Jog was produced in the early to mid-2000s, with variations in specific markets.
