K&N YA-2597 High-Flow Air Filter for 1993-2000 Yamaha Kodiak / Timberwolf ATV

Vehicle Fitment

• 1993-1999 Yamaha YFM400FA Kodiak 4WD
• 1994-1996 Yamaha YFB250FW Timberwolf 4x4
• 1987-1999 Yamaha YFM350FW Big Bear (select years/variants - verify model)

Fitment Notes

• Filter is specific to OEM airbox - aftermarket or modified airboxes may require verify before installation.
• Intended for stock engine and airbox configuration; modifications (intake snorkel, large-bore, etc.) may require additional checks.
• Always confirm model year and ATV variant before purchase; fitment varies across production years and model changes.

Features

• High-flow pleated cotton gauze media for improved airflow and engine breathing.
• Washable and reusable design for extended service life and long-term cost savings. 
• Pre-oiled and ready to install out of the box - no break-in needed. 
• Large filtration surface area for effective filtration and long service intervals. 
• Application-specific sealing bead for OEM airbox fitment - secure, leak-free install. 
• Suitable for off-road/ATV environments - reliable in dusty or rugged conditions. 
• Maintains engine protection while increasing intake airflow compared to stock paper filters. 
• Made in the USA (as per brand history) - established quality and manufacturing standards. 

Specifications

• Filter Type / Shape: Round / cylindrical-style ATV air filter (application-specific)
• Media: Multi-layer cotton gauze (pleated) 
• Washable / Reusable: Yes, washable and re-oilable for repeated use. 
• Outside Diameter (approx): ~3.313 in (84 mm), per one spec listing. 
• Inside Diameter (inlet): ~1.875 in (48 mm), per same listing. 
• Height: ~5.5 in (140 mm) per manufacturer spec listing. 
• Re-oil Interval: washable and reusable - re-oil per maintenance schedule (as per brand guidelines). 
• Package Quantity: 1x filter (pre-oiled, ready to install) 

Included Components

• 1x K&N YA-2597 Air Filter (pre-oiled, ready to install)

Product Description

The K&N YA-2597 is a high-flow replacement air filter designed for select Yamaha ATVs including Kodiak 400, Timberwolf 250 4x4, and certain Big Bear / mid-size models. Its pleated, cotton-gauze multi-layer media significantly improves intake airflow compared to restrictive stock filters - resulting in better throttle response and improved engine breathing under demanding off-road or utility use.

Built for durability and long-term service, the YA-2597 is washable and reusable. It ships pre-oiled and ready to install into the OEM airbox using an application-specific sealing bead - no cutting or modification needed. For ATV riders seeking reliable filtration, easier maintenance, and potentially improved engine performance, YA-2597 offers a balance of airflow, protection, and long-term value.