K-L SUPPLY 2647-K289872-ATV Air Valve Set Big Atv

( Brand: K-l Supply ), ( Manufacturer Part Number: 2647-K289872-ATV ), ( Part Type: Valve )

Review K L SUPPLY Air Cut Off Valve Set Yamaha Big Atv fits BEAR YFM400 4X4 2000–2005

The **2000-2005 Yamaha YFM400 Big Bear 4x4 ATV Air Valve Set (Part #2647-K289872)** is a precision-engineered, high-performance upgrade designed to enhance the suspension tuning, ride quality, and off-road capability of your Yamaha Big Bear 4x4. This meticulously crafted valve set is tailored specifically for the YFM400 s front and rear air suspension systems, ensuring seamless compatibility and optimal performance. Engineered with durable, corrosion-resistant materials, these valves are built to withstand the rigors of heavy-duty use, extreme terrain, and frequent adjustments, making them an ideal choice for riders who demand reliability and responsiveness. The set includes a pair of high-flow, low-restriction air valves that allow for precise control over air pressure, enabling you to fine-tune your Big Bear s suspension to match your weight, load, and riding conditions whether you re tackling rough trails, hauling heavy payloads, or cruising on paved roads. With a robust, easy-to-use design, these valves feature a secure locking mechanism to prevent accidental adjustments, while their smooth operation ensures consistent performance over thousands of miles. Whether you're a serious off-roader looking to maximize traction and comfort or a weekend warrior seeking a more refined ride, this valve set delivers the versatility and durability needed to elevate your Yamaha YFM400 s suspension to the next level. Upgrade your Big Bear s handling with this expertly designed solution and experience a ride that s as capable as it is comfortable.

### **Pros and Cons of buying a Supply 2647-K289872 ATV Air Valve Set for a 2000-2005 Yamaha YFM400 Big Bear 4x4**

1. **Direct Fitment** This valve set is specifically designed for the 2000-2005 Yamaha YFM400 Big Bear 4x4, ensuring compatibility without modifications. This reduces the risk of improper installation or functionality issues.

2. **Improved Air Suspension Performance** Air suspension systems rely on precise valve operation to maintain proper tire pressure and ride quality. A high-quality valve set can enhance responsiveness, reduce sag, and improve overall handling.

3. **Durability and Reliability** Reputable brands (assuming Supply is a trusted manufacturer) often produce components built to last, reducing the likelihood of frequent failures or leaks.

4. **Ease of Installation** Since it s an OEM or aftermarket replacement part, it should be straightforward to install, especially if you have basic mechanical skills or access to a mechanic.

5. **Compatibility with Upgrades** If you plan to modify your ATV s suspension (e.g., adding air springs or adjusting sag), a reliable valve set ensures the system works correctly with those changes.

6. **Prevents Common Issues** Worn or faulty air valves can cause leaks, inconsistent pressure, or complete suspension failure. Replacing them proactively can avoid costly repairs down the line.

7. **Warranty or Return Options** Purchasing from a reputable supplier (like Supply) may include warranties or return policies, providing peace of mind in case of defects.

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1. **Cost** Replacement air valve sets can be more expensive than generic or lower-quality alternatives. If the original valves were still functional, this may be an unnecessary expense.

2. **Potential Counterfeit Risks** If the part is sourced from an untrusted seller, there s a chance of receiving counterfeit or low-quality replicas that fail prematurely.

3. **Installation Complexity** While designed for easy fitment, improper installation (e.g., incorrect torque, misalignment, or sealing issues) can lead to leaks or reduced performance. This may require professional help, adding labor costs.

4. **Compatibility with Modified Systems** If your ATV has been heavily modified (e.g., custom air springs, controllers, or hoses), the valve set may not integrate perfectly, requiring additional adjustments.

5. **Maintenance Requirements** Air suspension systems still need periodic checks for leaks, hose wear, and pressure calibration. Replacing valves doesn t eliminate these ongoing maintenance needs.

6. **Limited Lifespan** Even high-quality valves will degrade over time due to wear, temperature fluctuations, or exposure to dirt/debris. They may need replacement again in a few years.

7. **Alternative Options** If the valves are only failing due to minor wear (e.g., rubber seals), a cheaper repair kit (e.g., seal replacements) might suffice instead of a full valve set.

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The **Supply 2647-K289872 ATV air valve set** is a solid choice for a **2000-2005 Yamaha YFM400 Big Bear 4x4** if you re experiencing **leaks, inconsistent pressure, or general valve failure**. The direct fitment, improved performance, and durability make it a worthwhile investment for maintaining or upgrading your suspension system. However, if the valves are still functional or the issue is minor (e.g., a single leaking seal), a more budget-friendly solution may be preferable.

- Your current valves are leaking, stuck, or unreliable.

- You re planning suspension modifications and need a reliable system.

- You want to prevent future suspension-related issues.

- You re purchasing from a trusted supplier (e.g., Supply s official website or authorized dealers) to avoid counterfeits.

- The valves are still working but show minor wear (e.g., slow leaks). In this case, a seal replacement kit might be sufficient.

- You re on a tight budget and the valves aren t causing major problems.

- You suspect the part is a counterfeit (check reviews, seller reputation, and packaging quality).

**Final Note:** Always inspect the valves before purchasing and ensure the part number matches your ATV s specifications. If in doubt, consult a Yamaha ATV specialist or suspension expert to confirm compatibility.

Details:

Brand: K L Supply, model Number: 2647-K289872-ATV. This is helpful if you are buying multiple items. 5EL-1490H-00-00 Diaphragm Spring Set5AP-14940-00-00/4XY-14589-00- 2004 - 2005 YamahaYFM350 Bruin Auto 2x4O.E.M. I need to exchange an item.

Diaphragm, spring and O-ring, Made in Japan. 5EL-1490H-00-00 Diaphragm Spring Set5AP-14940-00-00/4XY-14589-00- 2002 - 2009 YamahaXVS1100AT V Star 1100 Silverado, 2000 2001 YamahaYFM400A Kodiak.E.M. Compatibility: Years: Make: model: Application: Notes: 2000 - 2009 YamahaXVS1100A V Star 1100 Classic, 2004 2005 YamahaYFM350FA Bruin Auto 4X4O.E.M. Parts without fitment are to be assumed universal and may require vehicle modification.

part #: 2647k289872 price

• $40.57

specifications intakefuelmotorcycle:

• for models: Yfm400, 4x4, Bear
• for makes: Yamaha
• for years: 2000-2005
• brand: K-l Supply
• mpn: 2647-k289872-atv
• part type: Valve

offer intakefuelmotorcycle:

• quantity: 9
• options: Ship-to-home
• started: March 29, 2026
• sold: 0
• availability: In Stock

general intakefuelmotorcycle:

• Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Other Air Intake Fuel Delivery
• condition: New

shipping intakefuelmotorcycle:

• service: Standard
• transit: 4-6 Days
• cost: $0.00
• type: Fixed
• class: Standard

seller intakefuelmotorcycle:

• rating: 99.9%
• city: Boise, ID
• # reviews: 81296

payments intakefuelmotorcycle:

• wallet: Paypal
• credit card: Visa
• other

returns intakefuelmotorcycle:

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

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