K&N Replacement Air Filters are ideal for extended use in dirty and dusty off-road riding and provide clean carburetion even at high altitude. K&N air filters are washable and reusable and provide high air-flow with excellent filtration.
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
Application Summary:
| Year |
Make/Model |
| 1999-2004 |
Yamaha YFM250 Bear Tracker |
| 2007-2009 |
Yamaha YFM250 Big Bear |
| 2005-2006 |
Yamaha YFM250 Bruin |
| 2000-2004 |
Yamaha YFM400 Big Bear 2x4 |
| 2000-2006 |
Yamaha YFM400 Big Bear 4x4 |
| 2007-2012 |
Yamaha YFM400 Big Bear IRS 4x4 |
| Attributes |
| Air Filter Material |
Cotton Gauze |
| Air Filter Shape |
Round |
| Alternate Part Number |
YA-4001 |
| California Proposition 65 |
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| Country of Origin (Primary) |
US |
| Emission Code |
Legal US |
| Filter Material |
Cotton Gauze |
| Filter Re-Oiling Amount |
0.51 oz (15 ml) |
| Flanges |
None |
| Frame Design |
Flexible |
| Harmonized Tariff Code (Schedule B) |
8421310000 |
| Hazardous Material Code |
N |
| Height |
5.875 in (149 mm) |
| Inner Wire |
No |
| Inside Diameter |
1.938 in (49 mm) |
| Item Type |
High Performance |
| Life Cycle Status Code |
Available to Order |
| NAFTA Preference Criterion Code |
B |
| Oil Included |
Yes |
| Outside Diameter |
3.938 in (100 mm) |
| Package Contents |
1 Air Filter, 1 K&N 1oz Sealing Grease |
| Package Material |
Paperboard |
| Package Quantity |
1 |
| Package Type |
Box |
| Pre-Screened |
No |
| Product Box Height |
7.25 in (184 mm) |
| Product Box Length |
4.63 in (117 mm) |
| Product Box Width |
4.63 in (117 mm) |
| Product Style |
Round Air Filter |
| SDR Required Flag |
N |
| Top Material |
None |
| Top Style |
Rubber |
| Warranty |
1 Year Limited |
| Warranty Time |
12 |
| Washable |
Yes |
| Weight |
0.6 lb (0.3 kg) |
| GTIN |
00024844084545 |
