- 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 |
| 2005-2009 | Yamaha | TTR230 | |
| 2011-2024 | Yamaha | TTR230 | |
| 2001 | Yamaha | WR250F | |
| 2007-2009 | Yamaha | WR250F | |
| 2011-2013 | Yamaha | WR250F | |
| 2015-2024 | Yamaha | WR250F | |
| 1998-2000 | Yamaha | WR400F | |
| 2001-2002 | Yamaha | WR426F | |
| 2003-2009 | Yamaha | WR450F | |
| 2011-2024 | Yamaha | WR450F | |
| 1999-2024 | Yamaha | YZ125 | |
| 2024 | Yamaha | YZ125 50th Anniversary Edition | |
| 2020-2024 | Yamaha | YZ125X | |
| 1999-2023 | Yamaha | YZ250 | |
| 2024 | Yamaha | YZ250 50th Anniversary Edition | |
| 2001-2004 | Yamaha | YZ250F | |
| 2006-2024 | Yamaha | YZ250F | |
| 2024 | Yamaha | YZ250F 50th Anniversary Edition | |
| 2021-2022 | Yamaha | YZ250F Monster Energy Yamaha Racing Edition | |
| 2015-2024 | Yamaha | YZ250FX | |
| 2016-2024 | Yamaha | YZ250X | |
| 1999 | Yamaha | YZ400F | |
| 2000-2002 | Yamaha | YZ426F | |
| 2003-2024 | Yamaha | YZ450F | |
| 2024 | Yamaha | YZ450F 50th Anniversary Edition | |
| 2021-2023 | Yamaha | YZ450F Monster Energy Yamaha Racing Edition | |
| 2016-2024 | Yamaha | YZ450FX | |