Overview
This Hiflofiltro air filter has been specifically engineered for Yamaha YZ 450 F models listed below. It replaces the original equipment air filter and installs directly into the stock airbox with no modification required. The premium powerflow filter media is designed to deliver consistent, clean airflow while helping to protect the engine from dust, dirt and airborne contaminants. This supports strong throttle response and dependable performance for motocross and off-road competition use.
Motorcycle fitment
This air filter is suitable for the following Yamaha models:
- Yamaha YZ 450 FA Air Filter HiFlo 2011 (All Regions)
- Yamaha YZ 450 FZ Air Filter HiFlo 2010 (All Regions)
- Yamaha YZ 450 FB Air Filter HiFlo 2012 (All Regions)
- Yamaha YZ 450 FD Air Filter HiFlo 2013 (All Regions)
If your motorcycle is listed above, this filter is the correct direct replacement for the original Yamaha air filter. (wemoto.com)
Why choose Hiflofiltro
- Direct replacement design with accurate dimensions for a reliable seal
- Premium powerflow media engineered for consistent filtration and airflow
- Helps maintain strong engine response and dependable performance
- Trusted aftermarket brand used by riders and professional workshops worldwide
Benefits in use
- Supports responsive throttle performance
- Protects internal engine components from dust and airborne contaminants
- Dependable performance for motocross and off-road riding
- Simple replacement keeps your airbox functioning as designed
When to replace your air filter
- At the service interval specified in your owner’s manual
- If the filter element appears heavily soiled or discoloured
- After riding in particularly dusty or muddy conditions
- When engine response feels less sharp than normal
Installation notes
- Access the airbox following the Yamaha service manual for your model
- Clean the airbox interior before fitting the new filter
- Ensure the sealing edge sits evenly within the airbox housing
- Reassemble all components securely before use
- If unsure about installation, professional fitting can help ensure correct setup
Care and maintenance
- This is a paper air filter and should not be oiled or washed
- Inspect regularly if the motorcycle is used off-road
- Replace at the next service interval if the element shows significant contamination
Technical summary
- Brand: Hiflofiltro
- Wemoto part number: AB9307
- Hiflofiltro reference: HFF4020
- OEM equivalent: Yamaha YZ 450 F air filter element for listed models
Why buy from Wemoto
- Fast dispatch with clear returns support
- Comprehensive range of service parts to complete your job in one order
- Customer service backed by motorcycle experience
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