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Description
Standard Spark Plug
The workhorse, at the heart of smooth-running engines around the world.
FEATURES
- OEM Quality
- Triple-Gasket Sealing Process
- Consistent Performance
- Plug of Choice in Millions of Vehicles
- Sold each
Technical Specifications
- MFG. Part Number AB-6
Vehicle Information
Yamaha Chappy 50 Scooter (1978-1982)
The Yamaha Chappy 50, also known as the LB50, was a popular 50cc mini-bike produced from 1973 to 1996. For the model years 1978 to 1982, the Chappy 50 featured a reliable single-cylinder, air-cooled, two-stroke engine. An 80cc version, the LB80, was also available during this period, offering more power. Both models were appreciated for their separate Autolube oil injection system and a dual-range two-speed automatic transmission, providing versatility for various terrains. Within the 1978-1982 range, there were no significant generation breaks or major engine redesigns. The primary distinctions between models were the engine displacement (50cc for the LB50 and 80cc for the LB80) and minor variations such as the presence of pedals on some LB50 models. Key components like the cylinder head and ignition system remained consistent for the LB50 throughout these years, indicating a stable platform. FAQ:
Q: How can I ensure this part fits my Yamaha Chappy 50?
A: Please use our year and model selector at the top of the page to confirm exact compatibility.
Maintenance
| Component | Interval | Details |
| Check and refill 2-stroke oil tank | Every 3,000 km or 6 months | The 2-stroke engine does not have a conventional oil filter. Maintenance involves checking and refilling the 2-stroke oil tank. |
| Check, adjust, and lubricate drive chain | Every 3,000 km or 6 months | The Yamaha Chappy 50 uses a chain drive system, not a belt. Maintenance focuses on chain tension and lubrication. |
| Spark Plug | After break-in (e.g., 500 km), then every 3,000 km or 6 months | Check condition, clean or replace if necessary. Recommended spark plug: B6HS (NGK) with a gap of 0.6-0.7 mm. |
| Air Filter | After break-in (e.g., 500 km), then every 3,000 km or 6 months | Clean and replace if necessary. |
| Coolant | Not applicable | Yamaha Chappy 50 models are air-cooled and do not use a liquid coolant system. |