UNI FILTER Air Filter NU-2221ST, Yamaha 1975–1976

The UNI FILTER Air Filter NU-2221ST is designed for select Yamaha motorcycles, including the 1975 Yamaha MX250 and 1976 Yamaha YZ250, IT400, and YZ400. This two-stage air filter fits in the stock airbox like the OEM filter and features the Ultra Seal grease groove on the sealing surface.

Built for airflow, dirt stopping, and overall performance, the filter can be taken apart for thorough cleaning. Clean it with grease-cutting dishwashing detergent, then oil and reuse it indefinitely. The filter is made in the USA.

Distributor part number: NU-2221ST. Manufacturer part number: NU-2221ST. Vehicle fitment: 1975 Yamaha MX250; 1976 Yamaha YZ250, IT400, and YZ400.

Features:

• Two-stage air filter comes apart for maximum airflow and thorough cleaning
• Designed to stop dirt while supporting airflow and overall performance
• Ultra Seal grease groove on the sealing surface
• Fits in the stock airbox like the OEM filter
• Clean with grease-cutting dishwashing detergent, oil, and reuse indefinitely
• Made in the USA