JT Steel Rear Sprocket - 420 - 39 Tooth (JTR834.39)
$23.32
- 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 |
| 1986-1988 | Yamaha | Big Wheel 80 BW80 | |
| 1990 | Yamaha | Big Wheel 80 BW80 | |
| 1978-1982 | Yamaha | Chappy 50 LB50 | |
| 1977-1978 | Yamaha | Chappy 80 LB80 | |
| 1977 | Yamaha | Chappy II 80 LB80 | |
| 1977-1983 | Yamaha | DT100 | |
| 1979-1983 | Yamaha | MX100 | |
| 1983-1985 | Yamaha | PW80 Y-Zinger | |
| 1991-2006 | Yamaha | PW80 Y-Zinger | |
| 1990-2000 | Yamaha | RT100 | |
| 2008-2009 | Yamaha | TTR110E | |
| 2011-2024 | Yamaha | TTR110E | |
| 2006-2009 | Yamaha | TTR50E | |
| 2012-2024 | Yamaha | TTR50E | |
| 2000-2003 | Yamaha | TTR90 | |
| 2004-2007 | Yamaha | TTR90E | |