NU-2241ST Uni-Filter Air Filter for Yamaha IT400 1979-1980 IT 400

Air Filter for Yamaha IT 400

This Uni-Filter Air Filter, part number NU-2241ST, is a replacement air filter element for the Yamaha IT 400 and delivers clean, unrestricted airflow to the engine.

Overview

The Uni-Filter NU-2241ST is a two-stage foam air filter built to protect the engine of the Yamaha IT 400 from dirt, dust, and debris. Its multi-density foam construction traps fine particles while maintaining strong airflow for consistent performance. This air filter is intended for riders and mechanics servicing the 1979 to 1980 IT 400 platform.

Built For Performance

• Two-stage foam design captures both coarse and fine particulates
• Open-cell foam structure supports strong airflow to the carburetor
• Washable and re-oilable for repeated service intervals
• Trim-to-fit sizing allows adaptation to the stock airbox
• Resistant to fuel and oil breakdown for long service life

Fits These Machines

• for Yamaha IT 400 (1979-1980)

On-The-Job Use

• Trail and enduro riding in dusty conditions
• Routine air filter servicing and replacement
• Off-road racing where consistent intake flow matters
• Restoring or maintaining a vintage IT 400

Specs At A Glance

Good To Know

Q: Does this air filter arrive pre-oiled? A: Foam filters typically require oiling before installation for maximum filtration, so confirm the supplied condition and oil it if needed.

Q: How often should the filter be cleaned? A: Clean and re-oil it after every few rides in dusty conditions, or more often when riding in heavy dust or mud.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.