- Remove the air filter and pressure wash the inside of the airbox by covering the carb inlet with a watertight cap
- Made of PVC with a rubber sealing ring
- Top screw included
| Compatible Vehicles | |||
| Years | Make | Model | Notes |
| 1991-1997 | Yamaha | WR250 | |
| 2001-2002 | Yamaha | WR250F | |
| 1998-2000 | Yamaha | WR400F | |
| 2001-2002 | Yamaha | WR426F | |
| 1989-2026 | Yamaha | YZ125 | |
| 2024 | Yamaha | YZ125 50th Anniversary Edition | |
| 2022-2023 | Yamaha | YZ125 Monster Energy Yamaha Racing Edition | |
| 2020-2026 | Yamaha | YZ125X | |
| 1989-2026 | Yamaha | YZ250 | |
| 2024 | Yamaha | YZ250 50th Anniversary Edition | |
| 2022-2023 | Yamaha | YZ250 Monster Energy Yamaha Racing Edition | |
| 2001-2011 | Yamaha | YZ250F | |
| 2016-2026 | Yamaha | YZ250X | |
| 1998-1999 | Yamaha | YZ400F | |
| 2000-2002 | Yamaha | YZ426F | |
| 2003-2009 | Yamaha | YZ450F | |