WINDEROSA 6261-W325042-51 Vertex Ring Injector Ultra Jet Ski Kit JT1500 310R

( Brand: Winderosa ), ( Manufacturer Part Number: 6261-W325042-51 ), ( Part Type: Ring Jet Injector )

Review WINDEROSA Vertex O ring Injector Kit Kawasaki Jt1500 Ultra Jet Ski fits 2014–2017

The **Winderosa 6261-W325042-51 Vertex O-Ring Injector Kit** is a meticulously engineered, high-performance upgrade designed specifically for the **2014 2017 Kawasaki JT1500 Ultra 310R Jet Ski**, ensuring optimal fuel delivery, reduced leakage, and enhanced engine reliability. This premium kit features a **Vertex-branded O-ring injector assembly**, a trusted name in marine and performance applications, known for its durability and precision-engineered components. The kit includes a **complete set of high-quality O-rings, gaskets, and seals** tailored to fit the Ultra 310R s fuel injection system, eliminating common issues like fuel leaks, vacuum loss, and inconsistent throttle response that can plague stock injectors over time. Crafted from **heat-resistant, fuel-resistant materials**, these O-rings are designed to withstand the demanding conditions of high-performance jet ski engines, resisting degradation from fuel ethanol blends, extreme temperatures, and constant vibration. The Vertex injectors in this kit are **direct-replacement units**, ensuring seamless compatibility with the Ultra 310R s fuel rail and ECM (Engine Control Module) without the need for modifications or additional tuning. Whether you re preparing for high-speed cruising, towing, or aggressive riding, this kit provides a **tight, reliable seal** that maintains proper fuel pressure and flow, helping to maximize horsepower, throttle response, and overall engine efficiency. Ideal for both maintenance and performance upgrades, the Winderosa Vertex O-Ring Injector Kit is a must-have for owners seeking to restore stock injector performance or upgrade to a more robust fuel delivery system, ensuring your Kawasaki JT1500 remains in peak condition for years of exhilarating rides.

### **Pros and Cons of buying a Winderosa 6261-W325042-51 Vertex O-Ring Injector Kit for a 2014 2017 Kawasaki JT1500 Ultra 310R Jet Ski**

1. **Compatibility** The kit is specifically designed for the 2014 2017 Kawasaki JT1500 Ultra 310R, ensuring a proper fit without modification.

2. **OEM Quality** Winderosa is a reputable brand that produces high-quality aftermarket parts, often matching or exceeding factory specifications.

3. **Prevents Leaks** The Vertex O-rings are designed to seal fuel injectors effectively, reducing the risk of fuel leaks, which can cause performance issues or fire hazards.

4. **Easy Installation** The kit includes all necessary O-rings, making the replacement process straightforward for those with basic mechanical skills.

5. **Cost-Effective** Compared to replacing the entire fuel rail or injectors, this kit provides a budget-friendly solution for a common wear-and-tear issue.

6. **Improved Reliability** Worn O-rings can lead to inconsistent fuel delivery, which may cause rough idling or poor acceleration. Replacing them ensures smoother operation.

7. **Long-Term Solution** Unlike temporary fixes like sealants, new O-rings provide a durable, long-lasting seal.

1. **DIY Requirement** If you lack mechanical experience, removing and reinstalling fuel injectors can be tricky, especially without proper tools (e.g., injector removal tool, torque wrench).

2. **Potential for Over-Tightening** Improperly torqued injectors can damage the threads or O-rings, leading to leaks or difficulty removing them later.

3. **Limited Brand Recognition** While Winderosa is reliable, it may not be as widely recognized as some OEM brands, which could be a concern for buyers prioritizing brand reputation.

4. **Additional Tools Needed** You may require a fuel pressure gauge, injector cleaner, or compression fittings to properly test and reinstall the injectors.

5. **Time-Consuming** The process involves draining fuel, removing the fuel rail, and carefully reinstalling everything, which can take several hours.

6. **Risk of Contamination** If old O-rings leave debris in the injector ports, it could clog the injectors, requiring further cleaning or replacement.

---

### **Conclusion**

The **Winderosa 6261-W325042-51 Vertex O-Ring Injector Kit** is a **practical and cost-effective solution** for addressing worn or leaking fuel injector O-rings on your 2014 2017 Kawasaki JT1500 Ultra 310R. It offers **reliability, ease of installation (for those with mechanical experience), and long-term performance benefits** while avoiding the higher cost of replacing injectors or the fuel rail. However, it requires **some technical skill, patience, and the right tools** to install correctly.

If you re comfortable with basic engine maintenance, this kit is a **strong recommendation** for preventing leaks and maintaining optimal fuel delivery. If you re unsure about the process, consulting a jet ski mechanic or investing in a **professional installation** may be worth the extra cost to ensure proper execution.

- You have basic mechanical skills or access to a mechanic.

- You re experiencing fuel leaks, rough idling, or poor performance.

- You want a **low-cost, high-reward** fix before more expensive issues arise.

- You lack confidence in handling fuel injectors without professional help.

- You re unwilling to invest time in a detailed installation process.

- You prefer OEM parts (though Winderosa is a trusted alternative).

Details:

Vertex O-Ring Injector Kit for 2014 - 2017 Kawasaki JT1500 Ultra 310R Jet Ski: Improved performance from OEM equipment, Made in the USA. Parts without fitment are to be assumed universal and may require vehicle modification.: Brand: Winderosa, model Number: 6261-W325042-51. Compatibility: Years: Make: model: Application: Notes: 2014 - 2017 KawasakiJT1500 Ultra 310LX, 310X, 310R, 2011 2013 KawasakiJT1500 300 LX, X.

This is helpful if you are buying multiple items. I need to exchange an item.

part #: 6261w32504251 prices

• $31.23-$208.05

specifications jetskiintakeez:

• for makes: Kawasaki
• for years: 2014-2017
• brand: Winderosa
• mpn: 6261-w325042-51
• part type: Ring Jet Injector

offer jetskiintakeez:

• quantity: 9
• availability: In Stock
• started: January 31, 2026
• options: Ship-to-home
• sold: 0

seller jetskiintakeez:

• rating: 99.8%
• # reviews: 76556
• city: Sparks, NV

returns jetskiintakeez:

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

payments jetskiintakeez:

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

general jetskiintakeez:

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

shipping jetskiintakeez:

• service: Standard
• type: Fixed
• class: Standard
• transit: 3-5 Days
• cost: $0.00

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