The facts.
| Brand | K&N |
|---|---|
| Part Number | YA-1009 |
| Type | Drop-in replacement air filter |
| Filter Media | Layered cotton gauze, oiled |
| Fitment | Yamaha YZF-R1 RN22 (2009–2014) |
| Maintenance Interval | Approx. every 80,000 km (conditions dependent) |
| Reusable | Yes — washable and re-oilable |
| OEM Electronics Compatible | Yes — no remapping required |
| Emissions Compliance | Noise and exhaust regulations compliant |
DescriptionThe whole story▼
Swap out your stock paper filter for the K&N YA-1009 and immediately give your Yamaha YZF-R1 RN22 access to cleaner, freer-flowing air — all without touching a single bracket or sensor. It fits the factory airbox exactly as the original does, making it the most straightforward upgrade available for 2009–2014 R1 owners who want real-world gains without real-world fuss.
Key Features
- Direct OEM replacement — drops straight into the factory airbox on the RN22-series YZF-R1 with zero modifications required
- Improved airflow through the existing airbox unlocks enhanced horsepower and acceleration without sacrificing filtration efficiency
- Washable and reusable design means you buy this filter once and keep it for the life of the engine — typically cleaned only every 80,000 km depending on riding conditions
- Captures harmful contaminants including dust and sand while maintaining unrestricted airflow, protecting the engine where stock filters can restrict breathing
- Fully compatible with factory engine management and OEM vehicle electronics — no remapping or additional tuning required for a standard fitment
- Noise and emissions compliant, keeping the bike road-legal without compromise
- Reduces long-term running costs by eliminating the need to purchase replacement paper filters at every service interval
Everyday Usability and Long-Term Value
For riders who cover serious daily mileage on their R1, the economics of the K&N YA-1009 become obvious quickly. A conventional paper air filter needs periodic replacement as part of routine maintenance — costs that accumulate across the ownership period of the bike. The K&N simply gets washed, re-oiled with K&N filter oil, and reinstalled. With a recommended cleaning interval of approximately 80,000 km under normal conditions, most owners will service rather than replace this filter for as long as they own the machine.
The installation process requires no specialist tools or skills. Remove the airbox cover, lift out the original filter, drop the YA-1009 in its place, and close up. The filter uses the same mounting geometry and sealing dimensions as the factory part, so it seals correctly against the airbox every time. There are no adapter plates, no gasket fabrication, and no changes to the intake tract geometry.
Performance and Engine Protection
K&N's layered cotton gauze construction allows a greater volume of air to pass through compared to equivalent-thickness paper media, making full use of the airbox volume Yamaha engineered into the RN22 platform. The result is a modest but measurable improvement in throttle response and top-end pull — exactly the kind of refinement that benefits everyday road riding as much as occasional track days. At the same time, the multi-layer cotton filtration captures fine particulate matter that would otherwise reach the cylinder bores, throttle bodies, and injectors.
Fitment and Compatibility
The K&N YA-1009 is a direct replacement air filter for the following model:
- Yamaha YZF-R1 RN22 — model years 2009, 2010, 2011, 2012, 2013, 2014
Always confirm your frame code or model year before ordering. This filter is not intended for earlier or later R1 variants that use a different airbox configuration.
Specifications
| Brand | K&N |
|---|---|
| Part Number | YA-1009 |
| Type | Drop-in replacement air filter |
| Filter Media | Layered cotton gauze, oiled |
| Fitment | Yamaha YZF-R1 RN22 (2009–2014) |
| Maintenance Interval | Approx. every 80,000 km (conditions dependent) |
| Reusable | Yes — washable and re-oilable |
| OEM Electronics Compatible | Yes — no remapping required |
| Emissions Compliance | Noise and exhaust regulations compliant |
FitmentWhich bikes this fits▼
- Yamaha YZF-R1 RN22 (2009–2014)
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