Upgrade air filtration on your motocross bike with the RFX Multi Air Air Filter, part number FXAF 20006 55NO. Designed for precise fitment, this replacement filter helps provide clean, consistent airflow for Kawasaki KX-series four-stroke models. Its twin-layer foam construction supports dependable filtration while allowing the engine to breathe efficiently in demanding riding conditions.
Manufactured by Multi Air and supplied under the RFX brand, this air filter reflects more than 30 years of filtration experience. The filter is engineered as a direct-fit replacement for select Kawasaki applications, making installation straightforward and helping maintain proper airbox sealing and performance. It fits the 2024 and 2026 Kawasaki KX450F, as well as the 2025 Kawasaki KX450F and 2025 Kawasaki KX250F.
Whether used for regular maintenance, race preparation, or replacement of a worn filter, the RFX Multi Air Air Filter offers a practical solution for riders at all experience levels. Follow the motorcycle manufacturer’s service recommendations for cleaning, oiling, and replacement to help protect the engine from dirt and maintain reliable performance.
Features:
- Twin-layer foam construction promotes effective filtration and airflow.
- Nonflammable foam is used for four-stroke applications.
- Precise-fit replacement filter for select Kawasaki KX250F and KX450F models.
- Manufactured by Multi Air and sold under the trusted RFX brand.
- Fits 2024 Kawasaki KX450F, 2025 Kawasaki KX250F, 2025 Kawasaki KX450F, and 2026 Kawasaki KX450F.
Fitment:
2024 Kawasaki KX450F
2025 Kawasaki KX250F
2025 Kawasaki KX450F
2026 Kawasaki KX450F