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Description
FEATURES
- Designed as a drop-in replacement for OEM ball-type bearing sets
- High-quality tapered roller bearings decrease maintenance along with less wear and longer life
Technical Specifications
- MFG. Part Number 22-1077
Vehicle Information
Yamaha YSR50 Motorcycle - Street (1987-1992)
The Yamaha YSR50, produced from 1987 to 1992, was a popular miniature sportbike known for its scaled-down YZR 500 styling. It consistently featured an air-cooled, 49cc two-stroke, single-cylinder engine, delivering around 7 horsepower through a 5-speed manual transmission. This model was equipped with Yamaha's Autolube oil injection system. Throughout its production run from 1987 to 1992, the YSR50 maintained a consistent engine and core design. There were no significant mid-cycle generation or engine changes; variations were primarily cosmetic, focusing on different color schemes each year. FAQ:
Q: How do I ensure I select the correct parts for my Yamaha YSR50?
A: To guarantee fitment, please use the year and edition selector at the top of this page.
Maintenance
| Component | Interval | Details |
| Spark Plug | 1,000 km (break-in), then every 3,000 km or 6 months, and every 6,000 km or 12 months | Check condition, clean or replace if necessary. |
| Air Filter | 1,000 km (break-in), then every 3,000 km or 6 months, and every 6,000 km or 12 months | Clean. Replace if necessary. More frequent service in dusty or wet conditions. |
| Transmission Oil | Every 12,000 km or 24 months | Replace. Capacity: 0.60 L. Drain when engine is warm. |
| Drive Chain | Regular inspection | Check slack and alignment, clean and lubricate regularly. |
| Autolube System | Regular inspection | Check pump operation and perform air bleeding as necessary. The YSR50 does not have a conventional engine oil filter. |