Market Positioning:
The Yamaha CW50N Jog was a popular and accessible lightweight scooter, often favored for urban commuting, errands, and recreational use, known for its reliability and ease of operation.
Key Competitors:
Honda Dio, Suzuki Address, Malaguti F10, Aprilia SR50
Target Audience:
New riders, commuters, urban dwellers seeking economical and practical transportation.
Manual Value:
Provides owners and technicians with the essential knowledge to maintain, troubleshoot, and repair the CW50N Jog, extending its lifespan and ensuring optimal performance.
Engine:
Complete engine overhaul, lubrication, cooling, fuel, ignition, exhaust, tuning, diagnosis
Transmission:
Automatic CVT (V-belt), clutch, gearbox, torque converter, maintenance and repair
Chassis:
Frame inspection, adjustments, suspension (front fork, rear shock absorber), steering system
Brakes:
Front and rear brake system (disc and drum), hydraulic system, bleeding, pad/shoe replacement, adjustment
Electrical:
Wiring diagrams, battery, starter, ignition system, lighting, indicators, horn, charging system, troubleshooting
Bodywork:
Fairings, panels, seats, storage, body component removal and installation, cosmetic repairs
Wheels And Tires:
Wheel bearing replacement, tire maintenance, balancing, rim specifications
Preventative Maintenance:
Oil changes, filter replacements, spark plug checks, brake adjustments, chain/belt inspection, lubrication points
Troubleshooting:
Systematic diagnostic procedures for common and uncommon faults, fault code interpretation (if applicable)
Repair Procedures:
Step-by-step instructions for component disassembly, repair, reassembly, and adjustment
Engine Rebuild:
Detailed instructions for complete engine disassembly, inspection of internal components (piston, cylinder, crankshaft), and reassembly
Electrical Troubleshooting:
Using multimeter, tracing circuits, diagnosing electrical faults
Depth Of Coverage:
Comprehensive: From basic maintenance and rider checks to complete engine and transmission rebuilds, including electrical system diagnostics.
File Format:
PDF (Portable Document Format)
Print Quality:
High-resolution, printable pages with clear diagrams and text.
Binding Type:
N/A (Digital Download - PDF)
Paper Type:
N/A (Digital Download - PDF)
Searchable Text:
Likely searchable text for quick information retrieval.
Engine Type:
2-stroke, single-cylinder
Bore X Stroke:
39.0 mm x 41.4 mm
Cooling System:
Forced air-cooled
Compression Ratio:
7.4:1 (approx.)
Horsepower:
Approx. 5.3 HP @ 7,000 rpm (varies by region/emission standards)
Torque:
Approx. 0.54 kgf-m (3.9 lb-ft) @ 6,500 rpm (varies by region/emission standards)
Carburetor Type:
Mikuni VM12 (typical, may vary)
Fuel Delivery:
Carbureted with oil injection (autolube)
Fuel Type:
Unleaded gasoline (minimum 87 octane)
Engine Oil Type:
Yamalube 2-stroke oil (or equivalent API TC, JASO FD)
Transmission Oil Type:
Yamalube Gear Oil (or equivalent SAE 80 API GL-3)
Transmission Oil Capacity:
0.07 L (70 cc)
Overall Length:
Approx. 1,725 mm (67.9 in)
Overall Width:
Approx. 660 mm (26.0 in)
Overall Height:
Approx. 1,035 mm (40.7 in)
Wheelbase:
Approx. 1,205 mm (47.4 in)
Dry Weight:
Approx. 72 kg (159 lbs)
Gross Vehicle Weight Rating:
Approx. 170 kg (375 lbs) - Rider + Cargo
Fuel Tank Capacity:
4.0 L (1.06 US gal)
Oil Tank Capacity:
1.2 L (0.32 US gal)
Safety Ratings:
N/A (Scooter, typically not subject to official crash ratings like cars)
Active Safety:
Responsive braking system, stable chassis geometry, appropriate lighting for visibility.
Passive Safety:
Durable bodywork, seating position for rider control.
Engine Oil Change:
Every 1,000 km (600 miles) or 6 months.
Gear Oil Change:
Every 2,000 km (1,200 miles) or 12 months.
Air Filter Cleaning:
Every 1,000 km (600 miles).
Spark Plug Replacement:
Every 5,000 km (3,000 miles) or as needed.
V-Belt Inspection:
Every 1,000 km (600 miles), replace every 10,000 km (6,000 miles) or when worn.
Brake Inspection:
Every 1,000 km (600 miles).
Common Issues:
Carburetor clogging due to infrequent use, wear on V-belt and clutch components, stator coil failure, aging electrical connectors, potential for soft rear suspension over time.
Spark Plug:
NGK BR9ES (or equivalent)
Air Filter:
Yamaha Genuine Part 5DS-E4453-00 (example, always verify)
V-Belt:
Yamaha Genuine Part 3DM-12771-00 (example, always verify)
Yamaha Heritage:
Yamaha Motor Company, founded in 1955, has a long history in motorcycle and scooter manufacturing, renowned for engineering, performance, and innovation across various two-wheeled segments.
Jog Series Evolution:
The Jog series, originating in the 1980s, became a highly successful line of lightweight scooters. The CW50N represents a specific iteration of this popular model, often updated with minor styling and engine tweaks over its production run.
Production Period:
The CW50N model variant was produced approximately between 1999 and 2002, following earlier and preceding later iterations of the Jog line.
