YAMAHA KNNYA-2597 Big High Flow Atv Nos Air Filter 024844032942 Engineering 86-99 ST21

( Type: Air Filter ), ( Machine Type: Atv ), ( Manufacturer Part Number: KNNYA-2597 ), ( Features: Easy Installation ), ( UPC: 024844032942 )

Review YAMAHA Engineering 86-99 Big Air Filter High Flow Atv Nos New fits BEAR YFM350FW

Yamaha YFM350FW Big Bear High Flow Air Filter for ATV (ST21), NOS Part No. 86-99

Upgrade the air intake system of your Yamaha YFM350FW ATV with this high-performance air filter from Big Bear. Designed specifically for the 86-99 models (Part No. 86-99), this replacement air filter is an excellent choice for those seeking improved engine performance and increased power output.

The Big Bear High Flow Air Filter, also known as ST21, is engineered to provide enhanced filtration without compromising airflow. This crucial balance is essential for maintaining optimal engine efficiency, ensuring a smoother and more responsive riding experience.

Made from premium materials, including a pleated cotton media, this air filter is both durable and efficient. The cotton media offers excellent filtration capabilities, capturing even the smallest particles while allowing an increased volume of air to pass through. In turn, this leads to better combustion, increased power, and improved throttle response.

Additionally, the Big Bear High Flow Air Filter features an easy-to-install design, ensuring a hassle-free installation process. The filter comes equipped with a rubber intake gasket that seals perfectly against the airbox, eliminating the need for any modifications or additional adapters. This not only simplifies the installation process but also guarantees a secure and leak-free fit.

In summary, the Big Bear High Flow Air Filter for Yamaha YFM350FW ATV (Part No. 86-99) is a must-have upgrade for any rider seeking improved engine performance, increased power output, and enhanced filtration. With its high-quality materials, superior filtration capabilities, and easy-to-install design, this air filter is the perfect choice for those who demand the best from their ATV.

Pros and Cons of Buying Yamaha YFM350FW Big Bear Air Filter (ST21) for Your ATV

The Yamaha YFM350FW ATV is a popular choice for off-road enthusiasts. Upgrading its air filter to a high-flow option, such as the Big Bear Air Filter ST21, can enhance the performance of your vehicle. In this analysis, we will discuss the pros and cons of purchasing this air filter.

1. Improved engine performance: A high-flow air filter allows more air to enter the engine, resulting in increased horsepower and torque. In turn, this can help improve acceleration and overall power delivery.

2. Better filtration: The Big Bear Air Filter ST21 is designed to capture more dirt and debris, ensuring that cleaner air enters the engine. This can lead to better engine protection and longevity.

3. Easy installation: Installing the Big Bear Air Filter ST21 is a relatively straightforward process. It can typically be completed in under an hour, requiring only a few basic tools.

4. Enhanced sound: The increased air flow can result in a more enjoyable riding experience, with a noticeable increase in engine noise. For some riders, this can be an appealing aspect of upgrading to a high-flow air filter.

1. Higher cost: Compared to the stock air filter, the Big Bear Air Filter ST21 is more expensive. This may deter some riders from making the upgrade.

2. Maintenance requirements: A high-flow air filter requires more frequent maintenance than a stock filter. This includes regular cleaning or replacement to ensure optimal performance and filtration.

3. Potential for increased dust ingestion: While the Big Bear Air Filter ST21 offers improved filtration, it may not be able to capture all dust and debris. Riding in particularly dusty conditions could result in increased dust ingestion and potential engine damage.

The decision to purchase the Big Bear Air Filter ST21 for your Yamaha YFM350FW ATV ultimately depends on your individual riding preferences and priorities. If you value improved engine performance, better filtration, and the enhanced sound that comes with a high-flow air filter, then it may be a worthwhile investment. However, if the higher cost and maintenance requirements are a concern, you may choose to stick with the stock air filter.

If you are an off-road enthusiast who frequently rides in challenging conditions and prioritizes engine performance and filtration, the Big Bear Air Filter ST21 is a solid choice. However, if you are looking for a more budget-friendly option or prefer a low-maintenance filter, consider sticking with the stock air filter. Ultimately, the choice is yours based on your individual needs and preferences.

part # knnya2597 prices

• $85.22-$103.95

specifications filterblank:

• for models: Yfm350fw, Bear
• for makes: Yamaha
• type: Air Filter
• machine type: Atv
• manufacturer part number: KNNYA-2597
• features: Easy Installation
• upc: 024844032942

returns filterblank:

• policy: Returns Accepted
• paid by: Seller
• time: 30 Days

payments filterblank:

• credit card: Mastercard
• other
• wallet: Google-pay

seller filterblank:

• rating: 99.8%
• # reviews: 1455

offer filterblank:

• quantity: 1
• sold: 0
• started: May 6, 2025
• options: Ship-to-home
• availability: In Stock
• best offers: True

general filterblank:

• condition: New other see details
• ATV, Side-by-Side UTV Parts Accessories > Air Intake Fuel Delivery > Air Filters

shipping filterblank:

• transit: 4-10 Days
• service: USPS Ground Advantage
• class: Standard
• type: Calculated
• cost: $7.01
• carrier: USPS

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