As an Amazon Associate I earn from qualifying purchases.

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%. A k&n filter will last longer than 10 disposable filters. Easy installation: pre-oiled and ready to install. Ultimate longevity: 10-year/Million Mile Limited Warranty protects for the life of your vehicle.

Package including: 1 Pc. Oem directly replaces the air filter, which is very suitable for motorcycles. Our company introduces german manufacturing equipment, best quality, and many technologies and processes are in the leading position in the same industry.







Fused outer and inner elements prevent dirt and grime from being lodged between layers while the exclusively formulated adhesive ensures glue seams will not break down.
1. uni
#ad
Uni Multi-Stage Competition Air Filter for 01-13 Yamaha YZ250F
#aduni #ad - And they produce more horsepower and more torque than any other air filter. Uni's revolutionary two stage air filter is the only filter that comes apart for maximum airflow and ultimate cleaning.More information #ad
Traps dirt and dust in 2 layers of foam. The large pore, pre-filter captures the bigger particles. The small pore, inner filter preven. Uni multi-stage competition Air Filters are unsurpassed in airflow, dirt stopping and overall performance.Brand | uni #ad |
Manufacturer | UNI #ad |
Height | 1 Inches |
Length | 1 Inches |
Weight | 1.15 Pounds |
Width | 1 Inches |
Part Number | NU-3230ST |
Model | NU-3230 |
Warranty | Limited Manufacturer |
More information #ad
2. K&N
#ad
YZ250X 2T, RMZ450, Powersport Air Filter: Fits 1991-1999 YAMAHA YZ125, YZ450F, YZ250F, RMZ250, YZ250F, YZ250, YZ250X, K&N Engine Air Filter: High Performance, and other select models YA-2506XD
#adK&N #ad - Saves money: k&n high-flow replacement air filters will save you $250 over 10 years by avoiding disposable filters. High quality: Made in America. One of the easiest and most cost-effective upgrades for your motorcycle or ATV for quick performance gains.Engineered power: state-of-the-art filtration media provides up to 50% more airflow than disposable paper filters to increase power and acceleration.
More information #ad
World class protection: Pushing the limits of engine protection by protecting your engine from harmful contaminants. Eco-friendly: using a washable, reusable product helps reduce replacement waste. Clogged or dirty air filters can reduce your vehicle’s acceleration by up to 10%. A k&n filter will last longer than 10 disposable filters. Easy installation: pre-oiled and ready to install. Ultimate longevity: 10-year/Million Mile Limited Warranty protects for the life of your vehicle.
Brand | K&N #ad |
Manufacturer | K&N Engineering #ad |
Height | 3.5 Inches |
Length | 8.5 Inches |
Weight | 1.25 Pounds |
Width | 3.5 Inches |
Part Number | YA-2506XD |
Model | YA-2506XD |
Warranty | LIMITED WARRANTY |
More information #ad
3. Road Passion
#ad
Air Filter for Yamaha /WR250F 2001-2002/WR400F 1998-2000/WR400F 2000-2002/YZ125/YZ250 1997-2013/YZ250F 2001-2013/YZ400F 1998-1999/YZ426F 2000-2002/YZ450F 2003-2009 Road Passion pack of 1
#adRoad Passion #ad - Features: standard products, perfectly fit. Compatibility: please refer to the Product Description. Our company has links with many brands of motorcycles to make products that fit perfectly.Package including: 1 Pc. Oem directly replaces the air filter, which is very suitable for motorcycles. Our company introduces german manufacturing equipment, best quality, and many technologies and processes are in the leading position in the same industry.
More information #ad
Gurrantee:if not fit, provide us with the model of your vehicle with a picture of what you have received, you get your money back instantly; Any quality problems within a year, provide us with a picture and you get your money back instantly.Brand | Road Passion #ad |
Manufacturer | Road Passion #ad |
Part Number | 02-1a014-002 |
Model | 4350326487 |
Warranty | 2 years |
More information #ad
4. uni
#ad
Uni Multi-Stage Competition Air Filter for 89-92 Yamaha YZ250
#aduni #ad - And they produce more horsepower and more torque than any other air filter. Uni's revolutionary two stage air filter is the only filter that comes apart for maximum airflow and ultimate cleaning.More information #ad
Traps dirt and dust in 2 layers of foam. The large pore, pre-filter captures the bigger particles. The small pore, inner filter preven. Uni multi-stage competition Air Filters are unsurpassed in airflow, dirt stopping and overall performance.Brand | uni #ad |
Manufacturer | UNI #ad |
Weight | 1 Pounds |
Part Number | NU-3226ST |
Model | NU-3226ST |
More information #ad
5. uni
#ad
Uni Air Filter for Yamaha YZ250 1993-2018
#aduni #ad - This is the foam only. The small pore inner filter prevents any engine wrecking grit from reaching the cylinder. If your stock filter has the metal cage then you will need to use that filter cage as well.More information #ad
Traps dirt and dust in two layers of foam, the large pore pre-filter captures the bigger particles. Multi-stage competition off-road air filters.Brand | uni #ad |
Manufacturer | Uni #ad |
Part Number | UNA952 |
More information #ad
6. Uni Filter
#ad
UNI Filter Multi-Stage Competition Air Filter Yamaha IT250 IT465 YZ250 YZ465
#adUni Filter #ad - Washable universal Air Filter durable mounting. Fitment: 1982 yamaha it250, 1982 yamaha yz465, 1981 yamaha yz 490, 1980 yamaha yz250, 1982 yamaha yz 490, 1981 yamaha yz250, 1981 yamaha it425, 1981 yamaha yz465, 1982 yamaha it425, 1982 yamaha yz250, 1981 yamaha it250, 1980 yamaha yz465, 1982 yamaha it465, 1981 yamaha it465, 1980 Yamaha YZ 490.More information #ad
Brand | Uni Filter #ad |
Manufacturer | UNI Filter #ad |
Weight | 1 Pounds |
Part Number | NU-2245ST |
More information #ad
7. Outlaw Racing Products
#ad
Outlaw Racing Air Filter Super Seal Performance Made in USA YZ250F
#adOutlaw Racing Products #ad - Extra wide sealing ring for airtight seal; Bonded dual layer foam. Superseal neoprene gasket base seals perfectly even in the most extreme conditions. Course outer layer catches large particles and resists clogging fine inner layer filters the finest of dust.More information #ad
Compatible with: yamaha wr250| wr250f | wr400f | wr426f | wr500| yz125| yz250| yz250f | yz400f | yz426f | YZ450F | YZ250X |. Larger than stock for greater airflow and better protection.Brand | Outlaw Racing Products #ad |
Manufacturer | Outlaw Racing Products #ad |
Weight | 1 Pounds |
Part Number | 18044SS |
More information #ad
8. Twin Air
#ad
Twin Air, Air Box Cover Compatible with 89-19 Yamaha YZ250
#adTwin Air #ad - Twin air is the choice of more World and National Champions than all other air filters combined. For more than 40 years, twin air has provided the greatest names in motocross with performance and protection.More information #ad
The airbox cover prevents water and cleansers from entering your intake when cleaning the airbox. Manufactured from tough, durable ABS plastic. A r.Brand | Twin Air #ad |
Manufacturer | Twin Air #ad |
Height | 1.6 Inches |
Length | 9 Inches |
Weight | 0.3 Pounds |
Width | 9 Inches |
Part Number | 160078 |
Model | 160078 |
More information #ad
9. Maxima
#ad
Single, Maxima Racing Oils AFR-2401-00 ProFilter Ready to Use Dual Stage Foam Air Filter
#adMaxima #ad - Bonded dual-stage open cell foam matrix with 6 millimeter outer foam and 10 millimeter inner foam layer. Packaged in a resealable bag. Complete with disposable gloves. Pre-oiled with Maxima FFT filter oil. Washable and re-useable, with high strength glued seams that won't fall apart.More information #ad
Brand | Maxima #ad |
Manufacturer | Maxima Racing Oils #ad |
Height | 2.5 Inches |
Length | 10 Inches |
Weight | 0.2 Pounds |
Width | 6 Inches |
Part Number | AFR-2401-00 |
Model | AFR-2401-00 |
More information #ad
10. Twin Air
#ad
Black, Twin Air 152213X Pre-Oiled Dual Foam Air Filter
#adTwin Air #ad - Pre-oiled filter is ready to go right out of the box, saving time and hassle, all while being designed to increase airflow while ensuring the highest level of protection from dirt/dust.Fused outer and inner elements prevent dirt and grime from being lodged between layers while the exclusively formulated adhesive ensures glue seams will not break down.
More information #ad
Dual foam design; coarse open-pore foam catches airborne dirt, grime and sand, fine open-pore inner foam acts as a second filter to trap the smallest particles while ensuring maximum air passage. Thick, greaseless sealing ring ensures maximum contact with your air box, flat foam, while acting as a breathable gasket for increased air passage.Brand | Twin Air #ad |
Manufacturer | Twin Air #ad |
Height | 2.4 Inches |
Length | 12.9 Inches |
Width | 6.8 Inches |
Part Number | 152213X |
Model | 152213X |
More information #ad