Target Audience:
Yamaha CS50 Jog owners, DIY mechanics, and professional service technicians.
Value Proposition:
Provides essential technical data and procedures to reduce reliance on expensive dealership service, empowering owners to perform maintenance and repairs.
Ease Of Use:
Stated to be 'VERY EASY TO USE' with '100'S FULLY INDEXED PAGES'.
Engine:
Detailed diagnosis, disassembly, assembly, and component specifications for the 50cc engine.
Cooling System:
Includes details on radiator, coolant, fan, and related components for models with liquid cooling.
Electrical System:
Comprehensive coverage of ignition system, lighting, charging system, starter, battery, wiring diagrams, and component testing.
Carburetor:
In-depth information on carburetor removal, disassembly, cleaning, adjustment, and troubleshooting.
Chassis:
Covers frame, suspension (front forks, rear shock), steering system, wheels, and brakes.
General Information:
Includes vehicle identification, safety precautions, general operating instructions, and specifications.
Special Tools:
Lists and describes specific tools required for certain maintenance and repair procedures.
Maintenance:
Scheduled maintenance tasks, lubrication, filter changes, and fluid checks.
Troubleshooting:
Systematic diagnostic procedures for common and uncommon issues, fault finding guides.
Repair:
Step-by-step instructions for component removal, repair, and reinstallation.
Component Identification:
Identification of key engine, chassis, and electrical components.
Depth:
Covers everything from basic pre-ride inspections and routine maintenance to complete engine rebuilds and advanced electrical diagnostics.
Torque Specifications:
Crucial torque values for all fasteners and critical engine/chassis components.
Searchable Text:
Likely searchable PDF, enabling quick information retrieval.
File Type:
Portable Document Format (PDF)
Image Resolution:
Expected to be high-resolution for clear diagrams and text.
Diagram Clarity:
High-quality diagrams and illustrations for procedural guidance.
Binding Type:
N/A (PDF Format)
Paper Type:
N/A (PDF Format)
Engine Type:
50cc, liquid-cooled, 2-stroke, 1-cylinder
Bore X Stroke:
Typically 39.0 mm x 41.4 mm (for 2-stroke 50cc engines of this era, specific data may vary).
Compression Ratio:
Often around 7.0:1 to 7.5:1 for 2-stroke, with a specific value detailed in the manual.
Engine Cooling Method:
Liquid-cooled
Ignition System:
CDI (Capacitor Discharge Ignition)
Horsepower Approximate:
Around 4-6 HP (typical for this class).
Torque Approximate:
Around 3-4 Nm (typical for this class).
Carburetor Model:
Likely a Mikuni VM series or similar 14-16mm carburetor, specific model number in manual.
Fuel Type:
Unleaded gasoline (min 87 octane).
2-Stroke Oil Type:
Yamalube 2-stroke oil or equivalent API TC certified oil.
Length:
Refer to manual for exact dimensions (typically around 1700-1800mm).
Width:
Refer to manual for exact dimensions (typically around 650-700mm).
Height:
Refer to manual for exact dimensions (typically around 1050-1100mm).
Dry Weight:
Refer to manual for exact weight (typically around 70-80 kg).
Fuel Tank Capacity:
Refer to manual for exact capacity (typically around 4-5 Liters).
Safety Standards:
Compliance with relevant national/regional motorcycle safety standards for the model years.
Braking System:
Front disc brake, rear drum brake. Manual details caliper, pad, and drum specifications.
Lighting:
Headlight, taillight, brake light, turn signals. Bulb specifications and troubleshooting covered.
Frame Construction:
Steel tube frame. Manual details frame inspection and any potential repair procedures.
Dashboard Features:
Basic instrumentation: Speedometer, odometer, fuel gauge (if equipped), indicator lights. Manual covers their function and troubleshooting.
Assistance Systems:
N/A (This is a 50cc scooter, no advanced driver assistance systems).
Connectivity Features:
N/A
Oil Change Interval:
Refer to manual for specific intervals, typically every few thousand kilometers or annually.
Spark Plug Replacement:
Recommended replacement based on mileage or time, specific interval in manual.
Air Filter Cleaning Replacement:
Regular inspection and cleaning/replacement based on operating conditions, detailed in manual.
Engine Oil Type Capacity:
Refer to manual for specific grade (e.g., SAE 10W-30 or 10W-40) and capacity for gearbox oil.
Coolant Type:
Ethylene glycol-based coolant with corrosion inhibitors, specific Yamaha coolant or equivalent. Capacity in manual.
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid (for disc brake systems). Manual will specify.
Common Wear Items:
V-belt wear, carburetor jet clogging, spark plug fouling, and battery degradation are common, all addressable with this manual.
Troubleshooting Guide:
The manual provides structured troubleshooting steps for common starting, running, and electrical issues.
Manufacturer:
Yamaha Motor Company, Ltd., a globally renowned manufacturer of motorcycles, marine products, and musical instruments.
Jog Lineage:
The Jog series is a long-standing and popular line of scooters known for their reliability and ease of use, with the CS50 Jog being a key model within this lineage.
Production Period:
The CS50 Jog was produced and sold globally during the early to mid-2000s.
