Overview
This Hiflofiltro air filter has been specifically engineered for Yamaha YZF R1 models listed below, including Japanese and US market variants where shown. 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 sharp throttle response and dependable high-performance operation for road and track use.
Motorcycle fitment
This air filter is suitable for the following Yamaha models:
- Yamaha YZF R1 Air Filter HiFlo 2009 (All Regions)
- Yamaha YZF R1 Air Filter HiFlo 2010 (All Regions)
- Yamaha YZF R1 Air Filter HiFlo 2011 (All Regions)
- Yamaha YZF R1 Air Filter HiFlo 2012 (All Regions)
- Yamaha YZF R1 Air Filter HiFlo 2013 (All Regions)
- Yamaha YZF R1 Air Filter HiFlo 2014 (All Regions)
- Yamaha YZF R1 Air Filter HiFlo 2012 (Japan)
- Yamaha YZF R1 (Japanese Market) Air Filter HiFlo 2013 (Japan)
- Yamaha YZF R1 (US Market) Air Filter HiFlo 2014 (USA)
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 on the road
- Supports responsive throttle performance
- Protects internal engine components from dust and airborne contaminants
- Dependable performance for road and track 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
- When throttle response feels less sharp than normal
- After extended riding in dusty or wet conditions
Installation notes
- Access the airbox following the Yamaha service manual for your model
- Clean the airbox interior with a lint-free cloth before fitting the new filter
- Ensure the sealing edge sits evenly within the airbox frame
- Reassemble all components carefully before riding
- If you are unsure about the fitting process, professional installation can help ensure correct fitment
Care and maintenance
- This is a paper air filter and should not be oiled or washed
- Inspect periodically if the motorcycle is used year-round
- Replace at the next service interval if the element shows significant contamination
Technical summary
- Brand: Hiflofiltro
- Wemoto part number: AB9420
- Hiflofiltro reference: HFA4923
- OEM equivalent: Yamaha YZF R1 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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