K&N YA-1004 High-Flow Air Filter for 2004-2006 Yamaha YZF-R1 998cc

Vehicle Fitment

• 2004-2006 Yamaha YZF-R1 (998cc, R1 / R1 LE / R1 SP)

Fitment Notes

• Direct replacement for OEM air filter 5VY144510000

Features

• High-flow cotton gauze media for increased airflow
• Washable and reusable design for long service life
• Pre-oiled and ready for installation
• Durable rubber sealing bead for secure airbox fitment
• Improves throttle response across the RPM range
• Designed specifically for Yamaha's 998cc inline-four engine
• Allows extended service intervals under normal conditions
• Engineered for optimal filtration without restricting performance

Specifications

• Filter Shape: Trapezoidal
• Length: 13.0 in (330 mm)
• Width: 6.688 in (170 mm)
• Height: 0.875 in (22 mm)
• Filter Material: Oiled cotton gauze
• Oil Amount: 0.63 oz (19 ml)
• Quantity: 1x Air Filter
• Position: Airbox Intake

Included Components

• 1x K&N YA-1004 High-Flow Air Filter

Product Description

The K&N YA-1004 High-Flow Air Filter is engineered to enhance the performance of the 2004-2006 Yamaha YZF-R1 by delivering increased airflow and improved filtration efficiency. Designed with premium oiled cotton gauze media, this filter provides a significant upgrade over factory paper elements, allowing the engine to breathe more freely for sharper throttle response and smoother power delivery.

Built with a durable rubber sealing base and an exact-fit trapezoidal frame, the YA-1004 installs directly into the factory airbox with no modifications required. The washable, reusable construction allows riders to service and reuse the filter for the life of the motorcycle, reducing long-term maintenance costs while maintaining peak performance. Ideal for riders seeking reliable airflow improvements with OEM-level fitment, this filter supports both street and track use without compromising engine protection.