- Remove the air filter and pressure wash the inside of the airbox by covering the carb inlet with a watertight cap
- Top screw included
COMPATIBILITY:
- Yamaha Wr 250 (from 1991 to 1997)
- Yamaha Wr 400 F (1998)
- Yamaha Wr 426 F (from 2001 to 2002)
- Yamaha Wr 250 F (from 2001 to 2002)
- Yamaha Yz 125 (from 1989 to 2020)
- Yamaha Yz 250 (from 1989 to 2018)
- Yamaha Yz 400 F (from 1998 to 1999)
- Yamaha Yz 426 F (from 2000 to 2002)
- Yamaha Yz 250 F (from 2001 to 2013)
- Yamaha Yz 450 F (from 2003 to 2009)
- Yamaha Yz 450 F Sp 50th Anniversary Limited Edition (2006)
- Yamaha Yz 250 F 50th Anniversary Limited Edition (from 2006 to 2006)