High-Flow Original Lifetime Engine Air Filter - YAMAHA YFM250/YFM400

SKU
YA-4001
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.
  • 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
Air Filter MaterialCotton Gauze
Height5.875 in (149 mm)
Inner WireNo
Inside Diameter1.938 in (49 mm)
Outside Diameter3.938 in (100 mm)
Top StyleRubber
Top MaterialNone
Air Filter ShapeRound
FlangesNone
Package Contents1 Air Filter, 1 K&N 1oz Sealing Grease
Package Quantity1
Warranty1 Year Limited
WashableYes
Product StyleRound Air Filter
Weight0.6 lb (0.3 kg)
Filter Re-Oiling Amount0.51 oz (15 ml)
Product Box Height7.25 in (184 mm)
Product Box Length4.63 in (117 mm)
Product Box Width4.63 in (117 mm)
Cross References
BMC FM34221
Yamaha 4XEE44500000
DIY Level

Easy Moderate Advanced

Tools Typically Needed

Screwdriver

Installation Time

5-10 Minutes

Resources:

Installation PDF

Installation Instruction Sheet

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