BMC FM400/08 High-Flow Air Filter for Yamaha YZ/WR

The BMC FM400/08 is a high-performance replacement air filter designed specifically for Yamaha YZ and WR off-road motorcycles. Engineered with BMC's proven filtration technology, this filter delivers superior airflow compared to the stock OEM filter, allowing your engine to breathe more efficiently for maximum power output and improved throttle response.

Key Features:

• Higher air flow than OE filter for maximum power and performance
• Race-tested construction for proven performance and reliability in demanding conditions
• Endorsed by Yoshimura, a leader in motorcycle performance
• Washable and reusable design for long-term value
• Premium multi-layer oiled cotton gauze filtration media
• Direct OEM replacement for easy installation

BMC air filters are constructed using multiple layers of oiled cotton gauze pressed between an epoxy-coated alloy mesh. This design provides excellent filtration while maximizing airflow to deliver measurable performance gains. The washable and reusable construction means this filter can be cleaned and re-oiled multiple times, making it an economical and environmentally friendly alternative to disposable paper filters.