K&N High Flow Air Filter
1019-0818 (MFG #: DU-9001)
$145.99
Sale price
$145.99
Regular price
$145.99
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K&N High Flow Air Filter for Yamaha YZ450F Dirt Bike
K&N
K&N High Flow Air Filter for Yamaha YZ450F Dirt Bike
K&N
$145.99
Sale price
$145.99
Regular price
$145.99
SKU:1019-0818
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Description
K&N Powersports High-Flow Air Filter
Upgrade your machine’s performance with a K&N High-Flow Powersports Air Filter. Designed to increase airflow while providing superior filtration, these premium reusable filters help your engine breathe better for improved horsepower, throttle response, and overall performance.
Built with oiled cotton gauze media, K&N filters capture dirt and debris while allowing more air to reach the engine compared to traditional paper filters. The result is better performance and long-term reliability for motorcycles, ATVs, UTVs, and other powersports machines.
Unlike disposable filters, K&N air filters are washable and reusable, helping reduce maintenance costs over time. With proper cleaning and oiling, one filter can last for the life of your vehicle.
Key Features
High-flow design improves airflow and engine performance
Superior filtration protects your engine from dirt and debris
Washable and reusable for long-term value
Durable oiled cotton gauze construction
Direct OEM replacement for easy installation
Designed specifically for motorcycles, ATVs, UTVs, and other powersports applications
Why Choose K&N?
K&N is a global leader in high-performance filtration, trusted by riders and racers worldwide. Their powersports air filters are engineered to deliver maximum airflow without sacrificing engine protection, helping you get the most out of your ride.
Technical Specifications
- MFG. Part Number DU-9001
Vehicle Information
Yamaha YZ450F Dirt Bike (2003-2026)
The Yamaha YZ450F, a dominant force in motocross, has been continuously refined from 2003 to 2026. This high-performance dirt bike is renowned for its powerful 449cc engine and advanced chassis, designed to deliver a competitive edge and an exhilarating riding experience. Over two decades, Yamaha has consistently pushed boundaries, integrating cutting-edge technology and rider-focused improvements. The YZ450F has undergone several significant generational shifts. The 2003 model saw an engine displacement increase to 449cc and a lighter frame. A major overhaul in 2006 introduced an all-new aluminum single-backbone frame and KYB SSS forks. The revolutionary reversed cylinder engine design debuted in 2010, followed by the adoption of fuel injection in 2012. The 2014 model brought a new bilateral aluminum beam chassis. The 2023 iteration marked a complete redesign, featuring a lighter, more compact engine, a new frame, dry-sump lubrication, and advanced electronic rider aids like Traction Control, all controllable via the Yamaha Power Tuner App. While 2024 carried over these updates, 2025-2026 are expected to bring further refinements. Q: Will this part fit my Yamaha YZ450F?
A: To ensure perfect compatibility, please use the year and edition selector at the top of this page.
Maintenance
| Component | Interval | Details |
| Engine Oil and Oil Filter | Every 5 to 10 hours | Change both together. 5 hours for aggressive/race-level riding; 10 hours for recreational riding. |
| Air Filter | Every 2 to 15 hours | Intervals vary significantly by model year and riding conditions. For some years (e.g., 2003, 2006, 2018), 2 hours for aggressive/race, 5 hours for recreational. For others (e.g., 2010, 2022, 2025, 2026), 5 hours for aggressive/race, 15 hours for recreational. Clean and re-oil regularly. |
| Spark Plug | As needed | No fixed replacement interval. Inspect regularly for wear, fouling, or incorrect gapping. Clean, re-gap, or replace as necessary. |
| Coolant | Every two years or 60 hours or 24,000 km | General recommendation is every two years. Some models specify 60 hours (e.g., 2022) or 24,000 km (e.g., 2026). Replace sooner in harsh conditions. Use coolant recommended for aluminum engines. |
Maintenance intervals can vary by model year and riding conditions. Always consult your official owner's manual for the most accurate information.