【Exact OEM Fitment】LOCOPOW air filter direct replaces for 1YW-14451-00-00 FS-920 NU-3232ST NU-3232. Precision-engineered to meet Yamaha factory specifications. Guaranteed compatibility with genuine motorcycle systems 【Compatible Models】For Yamaha Timberwolf 250 2x4 (YFB250U) 1992-1998; Yamaha Timberwolf 250 4x4 (YFB250FW) 1994-2000; Yamaha Big Bear 350 2x4 (YFM350U) 1996-1999; Yamaha Big Bear 350 4x4 (YFM350FW) 1987-1999; Yamaha Moto-4 250 (YFM250) 1989-1991; Yamaha Moto-4 350 (YFM350ER) 1987-1995; Yamaha Kodiak 400 4x4 (YFM400FW) 1993-1999 【Advanced Dual-Stage Air Filter】Precision-engineered with dual-density foam to block 99.5% of dust and silt. Enhances combustion efficiency for improved fuel economy and extended engine life in all off-road conditions 【Efficient Filtration Performance】This high-performance air filter uses multi-layer foam to trap 99% of harmful particles without restricting airflow, protecting your engine and boosting power 【Reliable Product Support】Before you order, please check our product's compatible models list to confirm fitment. If you have any quality issues or need assistance, feel free to contact our support team—we offer free exchanges and refunds

Superior Protection and Enhanced Performance for Your Yamaha MachineEngineered specifically for classic Yamaha models, the AIR FILTER 1YW-14451-00-00 is the ultimate choice to boost engine efficiency and extend your vehicle’s lifespan. This precision-crafted air filter replicates OEM specifications, ensuring seamless compatibility with popular Yamaha ATVs and motorcycles produced between 1987 and 2000, including the Big Bear 350, Timberwolf 250 (FB250), Moto-4 250/350, YFM400 4x4, and YFM250. Trust it to maintain peak performance,even in the toughest off-road conditions.

Compatible Models:

For YamahaTimberwolf250 2x4(YFB250U)1992-1998

For Yamaha Timberwolf 250 4x4 YFB250FW)1994-2000

For Yamaha Big Bear 350 4x4 YFM350FW)1987-1999

For Yamaha Big Bear 350 2x4 (YFM350U) 1996-1999

For Yamaha Moto-4 350 (YFM350ER) 1987-1995

For Yamaha Moto-4250 (YFM250)1989- 1991

For Yamaha Kodiak 400 4x4(YFM400FW) 1993-1999

For a full list of compatible models, refer to the product details or contact our support team.

Why Choose This Air Filter?

Your engine’ s health depends on clean airflow. Off-road adventures, farm work, or daily rides expose your machine to harmful particulates. Cheap filters fail prematurely, risking costly engine repairs. Our 1YW-14451-00-00 air flter delvers OEM-level