Maxima Pre‑Oiled ProFilter Air Filter – Yamaha YZ125 / YZ250 / YZ426F / YZ450F & Suzuki RM/RMZ Series (1987‑2025)

OVERVIEW

The Maxima Pr-Filtered Pre‑Oiled ProFilter delivers race‑ready engine protection and increased airflow for high‑performance two‑stroke and four‑stroke engines without any messy setup. Built from a durable dual‑stage open‑cell foam matrix, this reusable air filter arrives fully pre‑oiled with Maxima FFT™ lubricant to eliminate the guesswork of installation. Engineered as a direct replacement for select Yamaha YZ, WR, and RM/RMZ platforms produced between 1997 and 2017, it restores clean airflow while maintaining vital engine health.

ENGINEERING & PERFORMANCE

This air filter integrates a plush 13 mm sealing foam ring that creates a precise, leak‑free compression bar against the airbox wall, preventing raw dust and road debris from bypassing the media. The dual‑stage open‑cell layer expands to maximize airflow volume, which supports sharper throttle response and horsepower gains compared to restricted stock setups. Factory‑applied Maxima FFT™ oil saturates the inner foam structure immediately upon opening the package, providing consistent lubrication and particle capture right away. The model‑specific profile locks into place securely, resisting vibration and displacement under aggressive riding loads.

KEY FEATURES

• Arrives pre‑oiled with Maxima FFT™ for immediate installation
• Dual‑stage open‑cell foam matrix for optimized airflow
• Plush 13 mm sealing foam ring ensures a tight airbox fit
• Included disposable gloves protect hands during fitting
• Pure race‑ready design with zero preparation required
• Supports increased horsepower through enhanced air intake
• Specially formulated for Yamaha and Suzuki moto platforms
• Direct replacement geometry fits OEM mounting locations

TECHNICAL SPECIFICATIONS

• Brand: Maxima
• Part Name: Pre‑Oiled ProFilter Air Filter
• Filter Type: Foam
• Material: Dual‑stage open‑cell foam with sealing gasket
• Supported Years: 1997–2020
• Compatible Trims: Yamaha YZ, WR, WRS series; Suzuki RM, RMZ, RMX series

FITMENT

• Yamaha YZ125X (2020)
• Yamaha YZ250X (2016)
• Yamaha YZ450F (2003–2009)
• Yamaha YZ250F (2001–2013)
• Yamaha WR426F (2001–2002)
• Yamaha YZ426F (2000–2002)
• Yamaha YZ400 (1998–2009)
• Yamaha WR400F (1997–2002)
• Yamaha WR250 (1997)
• Yamaha YZ125 (1997)
• Yamaha YZ250 (1997)
• Suzuki RMX450Z (2017)
• Suzuki RM125 (2004–2008)
• Suzuki RMZ250 (2007–2018)
• Suzuki RMZ450 (2005–2017)
• Suzuki RM250 (2003–2008)

WHY RIDERS CHOOSE THIS

Riders turn to the Maxima ProFilter because it completely removes the tedious process of unpacking, cleaning, weighing, and re‑oiling aftermarket filters. By incorporating Maxima's proprietary FFT oil and a robust dual‑foam system, the filter offers a distinct advantage in airflow restriction that keeps engines breathing freely while maintaining rigorous filtration levels. The 13 mm securing foam eliminates the anxiety of leaks or loose seals during cross‑country racing or hard trail riding. It serves as a highly reliable solution for Yamaha and Suzuki owners seeking effortless installation backed by proven motorsport engineering.