fits make: Yamaha. year: 1988.

( Brand: K-l Supply ), ( Manufacturer Part Number: 4422-K311422-ATV ), ( Part Type: Valve )
The **4422-K311422 ATV Air Valve Set** is a precision-engineered replacement component specifically designed to restore optimal performance and reliability to the **1988 Yamaha YFP350 TerraPro ATV**, ensuring seamless air intake regulation for the engine s carburetion system. This high-quality valve assembly features a **durable brass construction** with a **chrome-plated stem and spring**, engineered to withstand the demands of off-road use while maintaining a tight, leak-free seal. The set includes a **replacement air valve, spring, and gasket**, all of which are meticulously crafted to match Yamaha s original specifications, guaranteeing a perfect fit and consistent airflow to the carburetor. Whether you re tackling rugged trails, navigating rocky terrain, or simply maintaining your ATV for peak efficiency, this valve set eliminates common issues like air leaks, carburetion inconsistencies, or premature wear common culprits behind sluggish acceleration, rough idling, or reduced fuel economy. Ideal for both DIY enthusiasts and professional mechanics, the **4422-K311422** is a straightforward yet critical upgrade that enhances engine responsiveness and longevity, ensuring your Yamaha YFP350 continues to deliver the power and durability it s known for. Backed by Yamaha s engineering standards, this valve set is a straightforward yet impactful solution for restoring your ATV s performance to factory specifications.
### **Pros and Cons of buying a Supply 4422-K311422 ATV Air Valve Set for a 1988 Yamaha YFP350 TerraPro ATV**
#### **Pros:**1. **OEM Compatibility** The valve set is designed specifically for the Yamaha YFP350, ensuring a proper fit and function without modifications. This reduces the risk of leaks or improper sealing, which can lead to tire damage or loss of air pressure.
2. **Reliability and Durability** High-quality air valves are built to withstand the stresses of off-road use, including impacts, temperature fluctuations, and exposure to dirt and moisture. A well-made valve set minimizes the risk of premature failure, which can be costly and inconvenient.
3. **Easy Installation** Since it is a direct replacement part, installation should be straightforward, requiring only basic tools. This saves time and labor compared to custom or aftermarket solutions that may require additional modifications.
4. **Performance Consistency** Properly functioning air valves ensure that tires maintain optimal pressure, improving traction, handling, and overall ride comfort. This is particularly important for ATVs used in rugged terrain where tire performance directly impacts safety and control.
5. **Prevents Common Issues** Many ATV owners experience problems with standard valves, such as slow leaks, difficulty inflating, or valves that fail under pressure. A dedicated valve set like this can address these issues, reducing downtime and maintenance costs.
6. **Warranty and Support** Purchasing from a reputable supplier like Supply often includes warranties or return policies, providing peace of mind in case of defects or installation issues.
---
#### **Cons:**1. **Cost** While not excessively expensive, the price of a dedicated valve set may be higher than generic or aftermarket alternatives. For budget-conscious buyers, this could be a minor drawback, especially if the ATV is not heavily used.
2. **Limited Availability** Depending on the supplier, stock levels for specific OEM parts may vary. If the supplier does not carry the exact model, there could be delays in receiving the part, which may not be ideal for urgent repairs.
3. **Potential for Counterfeit Parts** If purchasing from an unverified seller, there is a risk of receiving counterfeit or low-quality replicas. Always buy from trusted suppliers to avoid this issue.
4. **Mixed Reviews on Aftermarket Alternatives** Some users prefer aftermarket valve sets for their perceived durability or additional features (e.g., Schrader-style compatibility). However, these may not always fit as snugly as OEM parts, potentially leading to leaks over time.
5. **Installation Knowledge Required** While installation is generally simple, inexperienced users might struggle with removing old valves or ensuring a tight seal. Improper installation could negate the benefits of the new valve set.
---
### **Conclusion:**The **Supply 4422-K311422 ATV Air Valve Set** is a strong choice for a 1988 Yamaha YFP350 TerraPro ATV due to its **OEM compatibility, reliability, and ease of installation**. It addresses common issues associated with standard or low-quality valves, ensuring better performance and longevity for your tires. The minor drawbacks such as cost and potential availability issues are outweighed by the benefits for most ATV owners who prioritize functionality and durability.
For users who frequently encounter tire pressure or valve-related problems, this valve set is a **practical and cost-effective solution**. If budget is a major concern, comparing it with high-quality aftermarket alternatives (e.g., Schrader-style valves) may be worthwhile, though OEM parts generally offer the best fit and performance.
### **Recommendation:** **Purchase the Supply 4422-K311422 ATV Air Valve Set** if:- You need a direct, reliable replacement for your Yamaha YFP350.
- You want to avoid common valve-related issues like leaks or difficulty inflating.
- You value OEM quality and compatibility over aftermarket alternatives.
**Consider alternatives** (e.g., Schrader-style or other aftermarket sets) only if:- You are open to minor modifications for added convenience (e.g., compatibility with standard air compressors).
- You find a reputable aftermarket option at a significantly lower price with comparable reviews.
Always verify the supplier s authenticity and check for warranties or return policies before purchasing. Proper installation is key, so follow manufacturer guidelines or consult a professional if unsure.
Compatibility: Years: Make: model: Application: Notes: 1987 - 1995 YamahaYFM350ER Moot-4, 1985 SuzukiGV700GL Madurai requires 4 kits, 1986 1989 SuzukiGV1400 Cavalcade requires 1999 YamahaYFM350FW Big Bear 4x4, 1986 SuzukiGV1200 1983 1985 YamahaXVZ1200D Venture Royal, 1987 SuzukiVS700 Intruder requires 2 1992 1993 YamahaTDM850, 1999 2004 YamahaTTR225, 2004 YamahaYFM350X Warrior, 1988 1991 SuzukiVS750GL 2005 YamahaVMX1200 V-Max, 1998 2005 YamahaXVS650A V Star Classic, 2004 YamahaXVS650 Custom, 1988 YamahaYFP350 TerraPro, 1984 YamahaXVZ1200 Venture, 1993 YamahaXVZ1300 1996 1999 YamahaYFM350U 2x4, 1993 2005 YamahaXT225, 1999 YamahaYFM400F Kodiak 2004 YamahaYFM250 Tracker, 2003 2005 YamahaXVS650AT Silverado, 1995 2005 YamahaYFM350F Wolverine 4x4. I need to exchange an item. Parts without fitment are to be assumed universal and may require vehicle modification. Diaphragm, spring and O-ring, Made in Japan.
Brand: K L Supply, model Number: 4422-K311422-ATV. This is helpful if you are buying multiple items.