K&N Engine Air Filter: High Performance, Premium, Powersport Air Filter: 1991-1999 YAMAHA (YZ125, YZ250, YZ250X, RMZ250, RMZ450, YZ250F, YZ250X 2T, YZ250F, YZ450F, and other select models) YA-2506XD
K&N Engine Air Filter: High Performance, Premium, Powersport Air Filter: 1991-1999 YAMAHA (YZ125, YZ250, YZ250X, RMZ250, RMZ450, YZ250F, YZ250X 2T, YZ250F, YZ450F, and other select models) YA-2506XD
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K&N Engine Air Filter: High Performance, Premium, Powersport Air Filter: 1991-1999 YAMAHA (YZ125, YZ250, YZ250X, RMZ250, RMZ450, YZ250F, YZ250X 2T, YZ250F, YZ450F, and other select models) YA-2506XD

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K&N Engine Air Filter: High Performance, Premium, Powersport Air Filter: 1991-1999 YAMAHA (YZ125, YZ250, YZ250X, RMZ250, RMZ450, YZ250F, YZ250X 2T, YZ250F, YZ450F, and other select models) YA-2506XD


  • ULTIMATE LONGEVITY: 10-Year/Million Mile Limited Warranty protects for the life of your vehicle.
  • ENGINEERED POWER: State-of-the-art filtration media provides up to 50% more airflow than disposable paper filters to increase power and acceleration. Clogged or dirty air filters can reduce your vehicle’s acceleration by up to 10%.
  • EASY INSTALLATION: Pre-oiled and ready to install. One of the easiest and most cost-effective upgrades for your motorcycle or ATV for quick performance gains.
  • SAVES MONEY: K&N high-flow replacement air filters will save you $250 over 10 years by avoiding disposable filters.
  • ECO-FRIENDLY: Using a washable, reusable product helps reduce replacement waste. A K&N filter will last longer than 10 disposable filters.
  • WORLD CLASS PROTECTION: Pushing the limits of engine protection by protecting your engine from harmful contaminants.
  • HIGH QUALITY:

Current price is $48.09
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4.5 out of 5 stars
stars56 ratings56 reviews
How item rating is calculated
  1. 5 stars70% (39)
  2. 4 stars20% (11)
  3. 3 stars2% (1)
  4. 2 stars2% (1)
  5. 1 star7% (4)
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Showing 1-3 of 56 reviews

Mar 23, 2017
Scott
5 out of 5 stars review

Seller Verified Purchase

Breathes better

Always put these filters in my cars so figured I'd try the bike once I saw it come available for my YZ250. Super easy install, less messy, easy to clean and feels very durable so to me that says will last over many many washes and reuses. Good product as always. Bike breathes much better I can feel a difference in the throttle response off idle. -m-2014 YAMAHA YZ250--

Review from Rocky Mountain ATV
Helpful?3GLTC19MZFRQ43941339
Sep 16, 2018
VINCENT C
5 out of 5 stars review

Seller Verified Purchase

BEYOND FAST!! DEFINITELY A MUST FOR ANY MOTORCYCLE !

I put this filter in my KX 250 F not expecting much but to my surprise it’s phenomenal.!! The throttle response and power gains are incredible.!! It used to take 3 to 4 kicks for my bike to turn over now it does on one kick. My bike breathes a lot better and warms up a lot quicker. Much better improvement over any air filter I ever had. Very strong power gains mainly noticeable in mid to high gears. I am very please with this air filter and a true believer in K&N air filter‘s !! -m-2010 KAWASAKI KX250F--

Review from Rocky Mountain ATV
Helpful?3GLTC19MZFRQ43941339
Jul 27, 2022
Marc M
5 out of 5 stars review

Seller Verified Purchase

KLX300SM Gets a K&N Air Filter

It's been about 20 years since I've purchased a K&N air filter and then it was for a pick-up truck. Now, I have purchased this slick K&N filter for my KLX300SM. Primary reason is to get away from the foam air filter. I'm just not a fan of the cleaning process. With my former WR400F, I would simply purchase new ready to use foam air filters. This K&N filter comes in two pieces that maximize the surface area and simplifies the installation--that is getting the filter into the air box opening. It's a slick set-up! No comment on the performance as I have not ridden with this filter yet. Not anticipating a problem. -m-2022 KAWASAKI KLX300SM--

Review from Rocky Mountain ATV
Helpful?3GLTC19MZFRQ43941339