MOTO TASSINARI WPS59-6685 Delta Reed Valve V3150-794-3

( Brand: Moto Tassinari ), ( Manufacturer Part Number: WPS59-6685 ), ( Part Type: Valve ), ( Universal: No )

Review MOTO TASSINARI 59-6685 Delta Reed Valve Kaw

The **Moto Tassinari WPS59-6685 (V3150-794-3 Delta Reed Valve)** is a precision-engineered component designed for high-performance diesel engines, offering unmatched reliability and efficiency in demanding applications. Part of Moto Tassinari s renowned line of fuel injection systems, this reed valve is specifically engineered to optimize airflow and fuel delivery within the WPS59 series of pumps, ensuring seamless operation under extreme conditions. Crafted from durable, high-grade materials, the valve features a robust **Delta reed design**, which enhances responsiveness and minimizes wear over time, making it ideal for both marine and industrial diesel engines. The **V3150-794-3** designation indicates a specialized variant optimized for engines requiring precise metering and consistent performance, whether in heavy-duty trucks, agricultural machinery, or high-output marine propulsion systems. Its compact yet sturdy construction allows for easy integration into existing fuel systems, reducing maintenance downtime while maintaining peak efficiency. Engineered with Moto Tassinari s signature attention to detail, this reed valve ensures smooth fuel flow regulation, reducing the risk of clogging or failure even in the most abrasive environments. Whether used in original equipment applications or as a high-quality replacement, the **WPS59-6685** delivers the durability and performance expected from a leader in diesel fuel technology.

### **Pros and Cons of buying a Moto Tassinari WPS59-6685 (V3150-794-3 Delta Reed Valve)**

1. **High Performance for Racing and High-Speed Applications**

The Moto Tassinari WPS59-6685 is designed for high-performance engines, particularly in racing, drag racing, and high-revving applications. Its delta reed valve configuration improves airflow efficiency, allowing for better throttle response and increased horsepower.

2. **Durability and Reliability**

Moto Tassinari is a well-known brand in the performance engine industry, known for producing high-quality, durable components. The WPS59-6685 is built to withstand extreme conditions, making it suitable for heavy-duty use.

3. **Improved Airflow and Efficiency**

The delta reed valve design reduces turbulence and improves the flow of air into the engine, which can lead to better combustion and increased power output. This is particularly beneficial in forced-induction setups or high-compression engines.

4. **Compatibility with Various Engine Types**

This reed valve is designed to fit a range of engines, particularly those in the 59 66 cubic inch (or similar displacement) range, making it a versatile choice for modifications.

5. **Aftermarket Support and Availability**

Moto Tassinari components are widely available through performance parts dealers, online retailers, and specialty shops. This ensures ease of installation and potential future upgrades or replacements.

6. **Enhanced Engine Breathing**

The reed valve helps in managing airflow more effectively than traditional piston-type valves, reducing backpressure and allowing the engine to "breathe" better, especially at high RPMs.

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1. **Cost**

High-performance components like the WPS59-6685 are typically more expensive than standard OEM parts. The price may be a significant investment, especially for enthusiasts on a budget.

2. **Installation Complexity**

While not overly difficult, installing a reed valve system requires some mechanical skill and may involve modifications to the engine s intake manifold or carburetor setup. Improper installation can lead to performance issues or damage.

3. **Potential for Leaks or Failure Under Extreme Conditions**

Reed valves are precision components, and if not properly maintained or if the engine is pushed beyond its limits, they can fail or leak. This is particularly true in high-stress applications like drag racing or forced induction.

4. **Limited Use in Stock or Mildly Modified Engines**

If you re running a stock or mildly modified engine that doesn t require significant airflow improvements, the benefits of this reed valve may not be noticeable. It s best suited for high-performance applications.

5. **Maintenance Requirements**

Reed valves require periodic cleaning and inspection to ensure they remain effective. Dirt, oil, or debris can clog or damage the reeds, reducing performance over time.

6. **Potential for Voiding Warranty (If Applicable)**

If the engine is still under warranty, installing aftermarket parts like this reed valve may void the warranty, depending on the manufacturer s policies.

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### **Conclusion**

The Moto Tassinari WPS59-6685 (V3150-794-3 Delta Reed Valve) is an excellent choice for enthusiasts looking to significantly improve the performance of their high-revving, high-power engines. Its delta reed design enhances airflow, durability, and efficiency, making it ideal for racing, drag racing, or heavily modified street engines. However, the cost, installation complexity, and maintenance requirements should be carefully considered before purchasing.

If you re running a stock or mildly modified engine, the benefits may not justify the expense. On the other hand, if you re building a high-performance engine or competing in racing, this reed valve is a worthwhile investment for maximizing power and reliability.

### **Recommendation**

- You are modifying a high-performance engine (e.g., drag racing, circle track, or high-RPM applications).

- You have experience with engine modifications or are willing to invest in professional installation.

- You prioritize airflow efficiency, durability, and power gains over cost savings.

- Your engine s displacement and setup align with the valve s specifications.

- You re working with a stock or mildly modified engine that doesn t require significant airflow improvements.

- You re on a tight budget and cannot justify the expense for minimal gains.

- You lack the mechanical skill or tools to install and maintain the reed valve properly.

- Your engine is still under warranty, and the manufacturer prohibits aftermarket modifications.

For best results, pair this reed valve with a well-tuned engine, proper intake manifold setup, and regular maintenance to ensure optimal performance.

Details:

1995- 1997 900 A Xxi, 1996 2003KawasakiJH 1100 Xxi, 1997 - 1999 Crosschecked STX, 1997 2006KawasakiJT 1999 2005KawasakiJH 1200 Ultra 150, 2000 2003KawasakiJT STX DI, 2001 2004KawasakiJH B 130 2001 - 2002 Crosschecked STS, 2002 2005KawasakiJT STX-R. Higher efficiency improved economy. Longer reed petal life. Patent pending reed tip shape accelerates the air mixture over tips.

This fitment information is based upon the stock version of Motorcycle or unit referenced and any accessory added other modification could invalidate quick reference provided. Features: Patent pending snap together cage design with symmetric reed petals. These items are designed exclusively for closed course competition use ONLY. Dramatic horsepower increase.

Moto Tassinari 59-6685 V3150-794-3 W/C DELTA 3 REED VALVE KAW.

part #: wps596685 prices

• $311.55-$348.95

specifications jetskiintakeez:

• brand: Moto Tassinari
• mpn: Wps59-6685
• part type: Valve
• universal: No

seller jetskiintakeez:

• rating: 100.0%
• city: Omaha, NE
• # reviews: 4261

payments jetskiintakeez:

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

shipping jetskiintakeez:

• class: Standard, Expedited
• transit: 3-5 Days
• type: Fixed
• service: FedEx Ground / FedEx Home Delivery, USPS First Class, USPS Priority Mail, UPS Ground
• carrier: FedEx, USPS, UPS
• cost: $0.00

general jetskiintakeez:

• condition: New
• Parts Accessories > Personal Watercraft Parts > Intake Fuel Systems

offer jetskiintakeez:

• started: April 12, 2026
• availability: In Stock
• sold: 0
• options: Ship-to-home
• quantity: 5

returns jetskiintakeez:

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

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