- Computer designed to achieve ultimate strength at minimum weight
- JT combines leading-edge technology with top materials to produce the ultimate quality sprocket
- Every sprocket meets or exceeds the highest possible quality standards
- Sprockets are heat-treated and beadblasted to reduce material surface tension
- Made with top-quality Japanese C45 high carbon steel
- NOTE: When installing sprockets that differ from OEM sizes, check for proper clearances before operating.
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 1978-1982 | Yamaha | Chappy 50 LB50 | |
| 1988-1990 | Yamaha | DT50 | |
| 1981-1983 | Yamaha | DT80 | |
| 1974-1976 | Yamaha | GT80 | |
| 1978-1980 | Yamaha | GT80 | |
| 1977-1979 | Yamaha | GTMX | |
| 1980-1982 | Yamaha | MX80 | |
| 1983 | Yamaha | RX50 | |
| 2006-2009 | Yamaha | TTR50E | |
| 2012-2014 | Yamaha | TTR50E | |
| 1987-1992 | Yamaha | YSR50 | |
| 1975-1977 | Yamaha | YZ80 | |