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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 RX50 Motorcycle - Street (1983-1984)
The Yamaha RX50, produced for the U.S. market in 1983 and 1984, was a small-displacement motorcycle designed as a miniature cruiser. It featured a 49cc air-cooled, single-cylinder, two-stroke engine, delivering 7.5 horsepower at 9000 rpm, paired with a 5-speed or 6-speed manual transmission. This model shared its drivetrain with the Yamaha YSR50. The RX50 was primarily offered in 'Midnight Special' or '50 Special' trims, with the 1983 model sometimes referred to as the RX50K. These bikes were often used as promotional items by dealerships, available in Candy Apple Red and Midnight Black. There were no significant generation or engine changes between the 1983 and 1984 models; the engine, transmission, and chain drive remained identical, and parts are interchangeable. The RX50 was a standalone platform with unique components. FAQ:
Q: How do I find parts specific to my Yamaha RX50?
A: Please use the year and model selector on this page to ensure you find the correct parts for your 1983 or 1984 Yamaha RX50.
Maintenance
| Component | Interval | Details |
| Engine Oil and Oil Filter | Initial: 1 month or 1,000 km. Subsequent: 12,000 km or 12 months | Check oil level before each ride. The owner's manual recommends oil and filter replacement at these intervals. |
| Transmission Oil | Initial: 1 month or 1,000 km. Subsequent: 3,000 km or 6 months | |
| Spark Plug | 13,000 – 16,000 km or annually | Inspect periodically and replace if necessary. Standard spark plug: B8HS (NGK) with a gap of 0.5 to 0.6 mm. |
| Air Filter | 4,000 – 6,000 km or annually | Clean and dampen with oil if necessary. Clean or replace more frequently in dusty or wet conditions. |
| Drive Chain | Every 500 km | Inspect condition, lubricate thoroughly. Check slack and alignment, adjust as necessary. Inspect sprocket teeth for wear. The RX50 uses a chain drive, not a belt drive. |