This manual covers the scooter, produced approximately between 1999 and 2002. As a popular lightweight 50cc scooter, the Jog is recognized for its agile handling, fuel efficiency, and ease of operation, making it an ideal choice for urban commuting and light recreational use. The company's commitment to engineering quality ensures a reliable and durable product within its segment, a characteristic that has defined the Jog family for years. This particular model, identified by chassis code CW50N and engine code 5BM, offers a compact and practical riding experience, embodying the company's reputation for dependable performance. This comprehensive workshop service repair manual provides detailed information essential for the maintenance and repair of your scooter. It covers all critical systems, including the 49cc 2-stroke engine, fuel system, ignition, automatic CVT transmission, cooling, brakes, suspension, and electrical systems. Within its 300+ pages, you will find step-by-step repair instructions, routine maintenance procedures, troubleshooting guides, torque specifications, and clear wiring diagrams. This English-language resource is designed to assist owners, mechanics, and technicians in keeping the scooter in optimal condition, ensuring its longevity and performance. 🏷️ Basic Information Identification Make: Yamaha Model: CW50N Model Nickname: Jog Vehicle Type: Scooter Generation Generation Code: 1st Generation (Approx. 1999-2002) Codes Chassis Code Primary: CW50N Engine Code Primary: 5BM 👋 Introduction Market Position Segment: Lightweight 50cc Scooter segment, popular for urban commuting and light recreational use. Competitive Analysis Competitors: Honda Dio, Suzuki Address, Aprilia SR50, Peugeot Speedfight (depending on market). Key Features Vehicle Focus: Compact size, agile handling, fuel efficiency, ease of operation, and Yamaha's reputation for reliability. Manual Value Proposition Benefit: Cost-effective solution for maintaining optimal performance and longevity of the Yamaha CW50N. 📋 Manual Details Coverage Areas Covered Years: 1999, 2000, 2001, 2002 Page Count Estimated Page Count: 300+ Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Complete disassembly, assembly, inspection, and repair of the 49cc 2-stroke engine. Fuel System: Carburetor inspection, cleaning, adjustment, and troubleshooting; fuel pump operation; fuel tank maintenance. Ignition System: CDI ignition system diagnostics, spark plug specifications, stator coil and pulse generator inspection. Transmission: Automatic CVT (Continuously Variable Transmission) inspection, belt replacement, clutch and torque converter servicing. Cooling System: Air cooling system components and maintenance. Exhaust System: Muffler and exhaust pipe inspection and replacement. Chassis Frame: Frame inspection, component mounting, and general chassis integrity checks. Suspension Front: Telescopic front fork inspection, maintenance, and seal replacement. Suspension Rear: Rear shock absorber inspection and replacement. Brakes Front: Drum brake adjustment, inspection, and component replacement. Brakes Rear: Drum brake adjustment, inspection, and component replacement. Wheels Tires: Wheel bearing inspection, tire pressure specifications, and tire replacement. Electrical System: Wiring diagrams, battery maintenance, lighting system (headlight, taillight, indicators), horn, and starter system. Bodywork Cosmetics: Panel removal and installation, seat, fairings, and storage compartment. Procedures Included Maintenance: Routine checks, lubrication, filter replacement, spark plug replacement, brake adjustment, fluid level checks. Troubleshooting: Diagnostic charts for common starting problems, poor performance, electrical issues, and braking concerns. Repair: Detailed step-by-step instructions for engine rebuilds, carburetor overhauls, transmission servicing, electrical component replacement, and suspension work. Disassembly Assembly: Comprehensive guides for complete vehicle disassembly and reassembly. Torque Specifications: Essential torque values for critical fasteners across all systems. Wiring Diagrams: Detailed electrical schematics for accurate fault finding and repair. Technical Depth Depth: Comprehensive: Covers everything from basic maintenance to full engine and transmission overhauls, including diagnostics and troubleshooting. 📊 Manual Specifications File Format File Type: PDF Searchability: Typically text-searchable PDF for easy navigation. Print Quality Quality: High-resolution scans suitable for printing. Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: 2-stroke, single-cylinder, liquid-cooled (some variants may be air-cooled, manual will specify) Displacement: 49.2 cc Bore X Stroke: 39.0 mm x 41.4 mm Compression Ratio: 7.4 : 1 (approximate, refer to manual for exact) Carburetor Model: Likely a Mikuni VM12 or similar. Performance Horsepower: Approximately 6.5 - 7.0 HP (subject to market regulations and tuning) Torque: Approximately 5.5 - 6.0 Nm Fuel System Fuel Type: Unleaded gasoline (min 91 RON) Fuel Mixture: Automatic oil injection (premix is not standard) Fuel Tank Capacity: Approx. 5.0 Liters 🔧 Transmission Standard Type: Automatic CVT with V-belt drive Optional Options: N/A Features Clutch: Centrifugal automatic clutch Gear Ratios: Continuously variable, specific ratios managed by variator and clutch engagement. Transmission Fluid: No specific transmission fluid for the CVT; belt and roller wear are key maintenance points. 📐 Dimensions Exterior Overall Length: Approx. 1730 mm Overall Width: Approx. 675 mm Overall Height: Approx. 1045 mm Wheelbase: Approx. 1275 mm Weights Dry Weight: Approx. 85 kg Curb Weight: Approx. 90 kg (with fluids) Cargo Underseat Storage: Yes, typically accommodates a helmet. 🛡️ Safety Features Ratings Crash Test Ratings: N/A (Scooters are generally not subjected to automotive-style crash testing). Active Features Braking: Front and...