$49.99 USD
MSRP $67.49 25.9% Off
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K&N YA-2597 Air Filter

Replacement Filters > Replacement Air Filter
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   4.8 out of 5 stars   6 Customer Reviews
  • Designed to provide increased horsepower and acceleration
  • Specifically developed for Off-Road, Motocross, ATVs, UTVs and Side by Sides
  • Pleated cotton media provides a large filtration area offering low restriction, high-capacity and long service intervals
  • Multiple layers of woven cotton gauze media offers excellent filtration
  • Fits directly into OEM air box with application specific sealing bead ensuring a precise fit
  • No fuel management modifications are required to obtain increased performance
  • Washable & reusable, most are pre-oiled and ready to ride!
  • One Year Limited Warranty
The K&N YA-2597 Air Filter fits some Yamaha YFB250 Timberwolf, Yamaha YFB250FW Timberwolf 4x4, Yamaha YFM250 Moto-4, Yamaha YFM350 Moto-4, Yamaha YFM350FW Big Bear, Yamaha YFM400F Kodiak, and Yamaha YFP350 TerraPro models. See vehicle applications link for details.
K&N off-road replacement air filters are ideal for extended use in dirty and dusty off-road riding and provide clean carburetion even at high altitude. Generally, no jet changes are required with just a K&N filter element. K&N replacement air filters are washable and reusable and provide high air-flow with excellent filtration.

[More Information on Off-Road Motorcycle and ATV Air Filters]

Product Specifications

Air Filter ShapeRound
Filter MaterialCotton Gauze
Filter Re-Oiling Amount0.49 oz (14 ml)
Height5.5 in (140 mm)
Inner WireNo
Inside Diameter1.875 in (48 mm)
Outside Diameter3.313 in (84 mm)
Package Contents1 Air Filter
Package Quantity1
Product Box Height7.25 in (184 mm)
Product Box Length4.63 in (117 mm)
Product Box Width4.63 in (117 mm)
Product StyleRound Air Filter
Top MaterialNone
Top StyleRubber
Weight0.6 lb (0.3 kg)

K&N YA-2597 Air Filter Product Reviews

Sunday, September 18, 2016 - Part YA-2597
Had to replace the stock filter on my atv. All new OEM was almost 100$. K&N was about half and fit great. Delivery was good, and can be cleaned, not just thrown out.

Scott Frey
Holtwood, Pennsylvania
Saturday, August 27, 2016 - Part YA-2597
Shipment was immediate and the filter was as ordered.

Gail Day
Brighton, Michigan
Tuesday, August 16, 2016 - Part YA-2597
Great fit and better then oem.

John Roberts
Depew, New York
Thursday, August 11, 2016 - Part YA-2597
I have used K&N products for years in all of my vehicles. I've used both cold air intakes and factory replacements for my air filters and I have used K&N oil filters. If you are a car-person, you will understand the following: my vehicles feel, sound, and perform better using K&N products and I feel more secure knowing that I have the highest quality products in my vehicle. This product will be going in one of my ATV's and I know that I will have the same feeling as I do with my full-size vehicles.

Mark Hicks
Andalusia, Colorado
Monday, June 13, 2016 - Part YA-2597
Great shopping experience. Easy to find the filter on the website, got here in a reasonable time and fit perfectly. Good

Steve Calfee
Tuolumne, California
Tuesday, May 20, 2014 - Part YA-2597
This filter was actually a better fit and much better seal than the original equipment. I have used K&N before and I would recommend them to all that ask and I will certainly use them again.