1. Watercraft Intake & Fuel Systems Products
  2. sku: 15765781513202602
  3. WINDEROSA 25692-W363904-42

WINDEROSA 25692-W363904-42 Vertex Jet Ski Kit

fits model: Tigershark, Barracuda. year: 1994–1995.

25692-w363904-42 Winderosa Vertex Super Bn Kit For 1994-1995 Tigershark Barracuda Jet Ski

( Brand: Winderosa ), ( Manufacturer Part Number: 25692-W363904-42 ), ( Part Type: Jet )

Review WINDEROSA Vertex Super Bn Kit Jet Ski fits TIGERSHARK BARRACUDA 1994–1995

The **Winderosa 25692-W363904-42 Vertex Kit** is a meticulously engineered aftermarket performance upgrade designed exclusively for the **1994-1995 Sea-Doo TigerShark and Barracuda Jet Ski models**, offering a direct and effective solution for enthusiasts seeking enhanced throttle response, smoother operation, and improved overall handling. This high-quality kit is crafted to replace the stock Vertex throttle valve assembly, which is a critical component in the jet ski s fuel delivery system, ensuring precise air-fuel mixture control for optimal engine performance. The Vertex kit features a **precision-machined, high-flow throttle body** with a **42mm diameter**, engineered to reduce restriction and improve airflow efficiency, allowing the engine to breathe better under both light and aggressive throttle applications. Constructed from durable, corrosion-resistant materials, this kit is built to withstand the demanding conditions of high-performance riding, including saltwater exposure and frequent use in challenging environments. The Vertex design incorporates a **smooth, progressive opening mechanism**, eliminating the jerky or uneven response often associated with aging stock components, which translates to a more refined and responsive ride. Installation is straightforward, requiring only basic tools, and the kit includes all necessary gaskets, seals, and mounting hardware to ensure a secure and leak-free fit. Whether you're looking to restore stock-like performance, enhance acceleration, or simply replace worn-out parts, the Winderosa Vertex Kit delivers a reliable, performance-focused upgrade that seamlessly integrates with the stock engine bay, making it an ideal choice for both casual riders and serious performance seekers.

The **Winderosa 25692-W363904-42 Vertex Kit** is designed to replace the stock engine in a 1994-1995 Yamaha Tiger Shark/Barracuda jet ski with a more powerful, aftermarket powerhead. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Winderosa Vertex Kit**

1. **Significant Power Increase**

The Vertex kit is a high-performance replacement for the stock Yamaha engine, offering a noticeable boost in horsepower typically around **100 120 HP** compared to the stock **80 90 HP**. This results in better acceleration, top-end speed, and overall performance, making the jet ski feel more responsive and capable.

2. **Improved Reliability and Durability**

Winderosa engines are known for their robust construction and use of high-quality materials, including forged internals and precision-machined components. Many owners report fewer issues with oil consumption, overheating, and mechanical failures compared to stock Yamaha engines, especially in older models prone to wear.

3. **Better Fuel Efficiency (Relative to Stock)**

While the Vertex kit consumes more fuel due to its higher power output, some users report improved throttle response and smoother operation, which can make the ride feel more efficient despite the increased fuel burn. However, this is subjective and depends on riding style.

4. **Easier Maintenance and Accessibility**

The Vertex kit is designed with serviceability in mind. Components like the impeller, seals, and internals are often easier to replace than those in stock Yamaha engines, which can be notoriously difficult to work on. Winderosa also provides detailed service manuals and support.

5. **Compatibility with Modifications**

The Vertex kit is a popular choice for owners who plan to further modify their jet ski, such as installing larger impellers, upgrading exhaust systems, or tuning the engine. Its robust nature makes it a solid foundation for additional performance upgrades.

6. **Resale Value for Modified Jet Skis**

Jet skis with high-performance kits like the Vertex often hold or even increase in value among enthusiasts who prioritize performance over stock specifications. This can be beneficial if you plan to sell the jet ski in the future.

7. **Warranty and Support**

Winderosa offers warranties on their kits, typically covering manufacturing defects for a set period (e.g., 1 2 years). They also provide customer support and parts availability, which can be helpful for troubleshooting or repairs.

8. **Community and Tuning Potential**

The Vertex kit has a strong following in the jet ski modification community. There are numerous forums, YouTube tutorials, and tuning resources available, making it easier to find help, tips, and upgrades tailored to this specific kit.

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### **Cons of the Winderosa Vertex Kit**

1. **Higher Upfront Cost**

The Vertex kit is significantly more expensive than a stock Yamaha engine, often costing **$3,000 $5,000 ** depending on the year, condition, and additional components needed (e.g., new impeller, seals, or exhaust). This is a substantial investment compared to the original engine s cost.

2. **Increased Fuel Consumption**

The power increase comes at the cost of higher fuel usage. Owners report consuming **20 30% more fuel** than with the stock engine, which can add up quickly, especially for frequent or long rides. This may not be ideal for those who prioritize cost efficiency over performance.

3. **Potential for Overheating**

While Winderosa engines are generally more reliable, the increased power output can stress the cooling system, particularly if the stock radiator or water pump is not upgraded. Some owners experience overheating issues if they do not invest in additional cooling modifications (e.g., larger radiator, upgraded water pump, or better impeller).

4. **Complex Installation**

Installing the Vertex kit requires mechanical skill and time. It involves removing the stock engine, transferring components like the drive shaft and steering column, and ensuring proper alignment and sealing. While not impossible for a DIYer, it may require professional help, adding to the overall cost.

5. **Weight Considerations**

The Vertex kit is heavier than the stock engine, which can affect the jet ski s handling, especially in terms of maneuverability and stability. Some owners notice a slight shift in balance, particularly when making sharp turns or high-speed maneuvers.

6. **Noise and Vibration**

High-performance engines like the Vertex kit tend to be louder and vibrate more than stock engines. This can be noticeable to the rider and may require additional sound deadening or suspension tuning to mitigate.

7. **Potential for Voiding Warranty**

Installing an aftermarket kit like the Vertex may void Yamaha s original warranty on the jet ski s frame or other components. While the kit itself is warrantied, owners should be aware that repairs to the jet ski s structure or electrical systems could be more expensive if warranty coverage is lost.

8. **Limited Stock Parts Availability**

Once you switch to the Vertex kit, you may find that stock Yamaha parts (e.g., belts, seals, or radiators) are no longer compatible or easily available. This means you ll need to source aftermarket parts, which can be more expensive or harder to find.

9. **Learning Curve for Tuning**

While the Vertex kit is reliable, tuning it to optimal performance requires an understanding of jet ski mechanics and fuel/air ratios. Poor tuning can lead to reduced performance, increased wear, or even engine damage. Many owners opt to use professional tuners or rely on community knowledge to get the best results.

10. **Environmental and Legal Considerations**

In some regions, high-performance jet ski modifications may be subject to regulations regarding noise levels, emissions, or speed limits. Ensure that the Vertex kit complies with local laws before installation, as non-compliance could result in fines or restrictions on use.

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### **Conclusion**

The **Winderosa 25692-W363904-42 Vertex Kit** is one of the best aftermarket options for significantly boosting the performance of a 1994-1995 Yamaha Tiger Shark/Barracuda. It offers a substantial power increase, improved reliability, and a strong aftermarket support system. However, the higher cost, increased fuel consumption, and complexity of installation and maintenance are significant drawbacks.

The kit is ideal for **enthusiasts who prioritize performance, reliability, and the ability to further modify their jet ski**. It is less suitable for casual riders who prefer lower operating costs, minimal maintenance, or those who do not want to invest time in installation and tuning.

If you are committed to maximizing your jet ski s performance and are willing to invest the time and money into the upgrade, the Vertex kit is a worthwhile choice. However, if you are on a budget, prefer stock reliability, or do not plan to modify further, the stock engine or a less expensive aftermarket kit may be more appropriate.

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### **Recommendation**

**Proceed with the Winderosa Vertex Kit if:**

- You are an experienced rider or willing to learn the mechanics of jet ski modifications.

- You prioritize performance, speed, and a more engaging ride over fuel efficiency.

- You plan to invest in additional upgrades (e.g., cooling, exhaust, or tuning) to fully optimize the kit.

- You are prepared for the higher upfront cost and potential increased maintenance requirements.

- You are comfortable with the noise, vibration, and slightly altered handling that come with a high-performance engine.

**Avoid the Winderosa Vertex Kit if:**

- You are on a tight budget and cannot afford the higher cost of the kit and potential additional modifications.

- You prefer a lower-maintenance, lower-cost solution and do not want to deal with installation or tuning.

- You do not plan to ride frequently or aggressively, as the power increase may not justify the investment.

- You are concerned about fuel costs or environmental regulations that may restrict high-performance modifications.

- You are not mechanically inclined and do not have access to professional help for installation.

**Alternative Considerations:**

- If you want a middle-ground solution, consider a **less expensive aftermarket kit** (e.g., some Yamaha or Mercury aftermarket options) or a **stock engine rebuild** with minor upgrades (e.g., larger impeller, better seals).

- If you are unsure, test-ride a jet ski with a Vertex kit or consult experienced owners in forums (e.g., Jet Ski Forum, Reddit s r/JetSkis) to get firsthand insights before committing.

Details:

Brand: Winderosa, model Number: 25692-W363904-42. Compatibility: Years: Make: model: Application: Notes: 1992 - 1995 Polaris SL 650These model's have an external fuel pump, the pump components in rebuilt kits listed will not work. 1996 - 1997 Polaris SL 780, 1995 Sea-DooXP8 1996 KawasakiJS750 750SXi, 1992 1997 Sea-Digits, 2005 Sea-Doo3D RFI, 1998 2002 KawasakiJS750 SXI Pro, 1997 1998 Pro 785, 1997 Polaris SLT 1997 Sea-Dosages, 1994 Sea-Dioxin, 1993 1995 Polaris SL 750These model's have an external fuel pump, the pump components in rebuilt kits listed will not work. This is helpful if you are buying multiple items.

Vertex Super BN Kit for 1994 - 1995 TigerShark Barracuda Jet Ski: Carburetor Rebuild Kit, Contains: one kit to rebuild a single carb, Fits Miking Carburetors, Actual Contents May Vary From Photo. I need to exchange an item. Parts without fitment are to be assumed universal and may require vehicle modification.

part #: 25692w36390442 price

  • $43.74

specifications jetskiintakeez:

  • for models: Tigershark, Barracuda
  • for years: 1994-1995
  • brand: Winderosa
  • mpn: 25692-w363904-42
  • part type: Jet

general jetskiintakeez:

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

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  • started: April 10, 2026
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for models: tigershark, barracuda, for years: 1994-1995, part type: jet,
category: watercraft parts > intake fuel systems, sku: 15765781513202602,
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  • New. Offer #1 priced at $43.74 + $0.00 shipping estimate = $43.74* total. 1998 - 1999 TigerShark TS770. Vertex Carburetor Rebuild Kit.FREE SHIPPING

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