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K&N Replacement Air Filter for 97-09 Yamaha YZ250F/YZ450F, 06-08 RM125/250, Extreme Duty


  • Increases Horsepower
  • Increases Filtration
  • Washable and Reuseable Filter
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Pricing: $83.99


K&N X-Stream Series Motocross Air Filters take performance to the next level with the addition of a filter within the filter's top in order to add even more filtration area for high air-flow and capacity. Each filter piece has pleated media which creates a large surface area that provides high airflow and great dirt holding capacity for extreme conditions. The two-piece design eases installation and removal on modern narrow-framed MX bikes. The epoxy-coated aluminum wire mesh, incorpora ted into a backfire screen, protects the filter element from harmful debris. A custom base seal ensures a precise and secure fit. K&N air filters are washable and re-usable and they come pre-oiled and ready to use!

Application List

1991-2011 Yamaha YZ125

1991-2011 Yamaha YZ250

2001-2011 Yamaha YZ250F

2007-2010 Suzuki RMZ250

2005-2010 Suzuki RMZ450

2003-2009 Yamaha YZ450F

2006-2008 Suzuki RM125

2006-2008 Suzuki RM250

2001-2002 Yamaha WR250F

1998-2002 Yamaha WR400F

2001-2002 Yamaha WR426F

2000-2002 Yamaha YZ426F

1998-1999 Yamaha YZ400F


Height: 3.125 in (79 mm)

Finish: N/A


  • YA-2506XD
  • YA-2506XD
  • K&N
  • New

Shipping Information

  • Item Requires Shipping
  • 1.9 lbs.
  • W8.5000” x H3.6000” x L8.5000”

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