- Computer designed to achieve ultimate strength at minimum weight
- JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
- Every sprocket meets or exceeds the highest possible quality standards
- Heat-treated and beadblasted to reduce material surface tension
- Made with top-quality Japanese C45 high carbon steel and SCM415 chromoly steel alloy NOTE: When installing sprockets that differ from OEM sizes, check for proper clearances before operating.
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 1984-1985 | Yamaha | FJ600 | |
| 1986-1988 | Yamaha | FZ600 | |
| 1982-1983 | Yamaha | Maxim 400 XS400 | |
| 1981-1983 | Yamaha | Maxim 550 XJ550 | |
| 1986-1990 | Yamaha | Radian 600 YX600 | |
| 1982-1983 | Yamaha | Seca 400 XS400R | |
| 1981-1983 | Yamaha | Seca 550 XJ550R | |
| 1992 | Yamaha | Seca II 600 XJ600S | |
| 1982 | Yamaha | XS400S Heritage Special | |