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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 Material | Cotton Gauze |
| Height | 5.875 in (149 mm) |
| Inner Wire | No |
| Inside Diameter | 1.938 in (49 mm) |
| Outside Diameter | 3.938 in (100 mm) |
| Top Style | Rubber |
| Top Material | None |
| Air Filter Shape | Round |
| Flanges | None |
| Package Contents | 1 Air Filter, 1 K&N 1oz Sealing Grease |
| Package Quantity | 1 |
| Warranty | 1 Year Limited |
| Washable | Yes |
| Product Style | Round Air Filter |
| Weight | 0.6 lb (0.3 kg) |
| Filter Re-Oiling Amount | 0.51 oz (15 ml) |
| Product Box Height | 7.25 in (184 mm) |
| Product Box Length | 4.63 in (117 mm) |
| Product Box Width | 4.63 in (117 mm) |
| BMC FM34221 |
| Yamaha 4XEE44500000 |
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