1. Watercraft Intake & Fuel Systems Products
  2. sku: 14909055553500722
  3. WINDEROSA 25735-W363990-85

WINDEROSA 25735-W363990-85 Vertex Jet Ski Kit

fits model: Js800, Sx, 800. make: Kawasaki. year: 2003–2011.

25735-w363990-85 Winderosa Vertex Super Bn Kit For 2003-2011 Kawasaki Js800 800 Sx-r Jet Ski

( Brand: Winderosa ), ( Manufacturer Part Number: 25735-W363990-85 ), ( Part Type: Jet )

Review WINDEROSA Vertex Super Bn Kit Kawasaki Sx r Jet Ski fits JS800 SX 800 2003–2011

Winderosa Vertex Kit for 2003-2011 Kawasaki JS800 800 SX-R Jet Ski

The Winderosa 25735-w363990-85 Vertex Kit is a comprehensive upgrade solution designed specifically for 2003-2011 Kawasaki JS800 800 SX-R jet skis. This kit is meticulously engineered to enhance the performance, reliability, and overall riding experience of your watercraft.

At the heart of this kit is the high-output Vertex ignition system. This replacement for the original points-type system offers improved spark energy, reduced spark gap wear, and greater durability. The result is smoother engine operation, reduced fuel consumption, and increased horsepower.

The Winderosa Vertex Kit also includes a high-quality ignition coil and a CDI module. The coil, with its increased output, ensures a strong and consistent spark, while the CDI module regulates the spark timing for optimal engine performance.

In addition, this kit comes with a set of high-performance spark plugs. These plugs are designed to offer superior ignition efficiency, longer lifespan, and improved fuel combustion.

Installation of the Winderosa Vertex Kit is straightforward and can be completed by a competent DIY mechanic or a professional technician. The kit includes detailed installation instructions to guide you through the process.

Upgrading your Kawasaki JS800 800 SX-R jet ski with the Winderosa Vertex Kit not only enhances its performance but also extends its lifespan, making it a worthwhile investment for any jet ski enthusiast. Experience the difference with the Winderosa 25735-w363990-85 Vertex Kit.

Vertex Kit (Winderosa 25735-W363990-85) for 2003-2011 Kawasaki JS800/800 SX-R Jet Ski: A Comprehensive Analysis

Pros:

1. Enhanced Performance: The Vertex Kit is designed to improve the overall performance of your jet ski by increasing its horsepower and improving throttle response, providing a more enjoyable riding experience.

2. Quality Manufacturing: The kit is manufactured by a reputable company, Winderosa, which is known for producing high-quality performance parts.

3. Easy Installation: The kit comes with an easy-to-follow installation guide, making it simple for most enthusiasts to install without needing professional assistance.

4. Improved Fuel Efficiency: With the improved performance, the jet ski may also see a slight increase in fuel efficiency, saving you money on gas over time.

Cons:

1. Cost: The Vertex Kit is a premium product, and its price point may be prohibitive for some buyers.

2. Potential Voiding of Warranty: Installing aftermarket parts like this kit may void your jet ski's manufacturer warranty, although this can depend on the terms of your specific warranty.

3. Risk of Damage: As with any installation of aftermarket parts, there is a risk of damaging the jet ski if not done correctly.

4. Incompatibility: Although the kit is designed for 2003-2011 Kawasaki JS800/800 SX-R Jet Skis, there may be occasional instances of incompatibility due to variations in manufacturing or usage.

Conclusion:

The Winderosa Vertex Kit offers impressive benefits for those seeking to enhance the performance of their 2003-2011 Kawasaki JS800/800 SX-R Jet Ski. While it comes with a premium price tag and potential risks, the improved performance, increased fuel efficiency, and easy installation make it a worthwhile investment for many jet ski enthusiasts. However, it's crucial to weigh the costs against the potential benefits and consider the risk of voiding your jet ski's warranty before making a purchase.

Recommendation:

If you are an experienced jet ski owner looking to improve the performance of your Kawasaki JS800/800 SX-R, the Winderosa Vertex Kit is a solid choice. Ensure you have the necessary tools and knowledge to install the kit, or consider hiring a professional if you are unsure. If you are a beginner or unsure about the benefits, it may be best to wait and gain more experience with your jet ski before investing in aftermarket parts.

Details:

I need to exchange an item. This is helpful if you are buying multiple items. 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. Vertex Super BN Kit for 2003 2011 Kawasaki JS800 800 SX-R Jet Ski: Carburetor Rebuild Kit, Contains: one kit to rebuild a single carb, Fits Miking Carburetors, Actual Contents May Vary From Photo.

Parts without fitment are to be assumed universal and may require vehicle modification.: Brand: Winderosa, model Number: 25735-W363990-85. 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.

part #: 25735w36399085 price

  • $43.74

specifications jetskiintakeez:

  • for models: Js800, Sx, 800
  • for makes: Kawasaki
  • for years: 2003-2011
  • brand: Winderosa
  • mpn: 25735-w363990-85
  • part type: Jet

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  • rating: 99.6%
  • city: San Marcos, CA
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  • started: October 4, 2025
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  • Parts Accessories > Personal Watercraft Parts > Intake Fuel Systems
for models: js800, sx, 800, for makes: kawasaki, for years: 2003-2011, part type: jet,
category: watercraft parts > intake fuel systems, sku: 14909055553500722,
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  • New. Offer #1 priced at $43.74 + $0.00 shipping estimate = $43.74* total. Contains: one kit to rebuild a single carb. 2003 - 2011 Kawasaki JS800 800 SX-R.FREE SHIPPING

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