The most copied pipe in the world and #1 best seller for FMF, the Fatty broadens the powerband and provides significant increases throughout.
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2022-2025 | Yamaha | YZ125 | Base |
| 2024 | Yamaha | YZ125 50th Anniversary Edition | Base |
| 2022-2023,2025 | Yamaha | YZ125 Monster Energy Yamaha Racing Edition | Base |
| 2022-2025 | Yamaha | YZ125X | Base |