fits model: Stx, Lx. make: Kawasaki.

( Manufacturer Part Number: 21007-3728 ), ( Part Type: Jet Rotor Flywheel Magneto )
The Kawasaki STX 15F and 12F Ultra LX Jet Ski models come equipped with advanced and high-performing jet pump systems. One crucial component of these systems is the flywheel magneto rotor, which plays a vital role in ignition and power delivery. Kawasaki offers two versions of this part: the 21007-3728 for the STX 15F and the 21007-3731 for the STX 12F.
The flywheel magneto rotor is an essential part of the ignition system. It generates the spark needed to ignite the fuel-air mixture in the engine's cylinders. The magneto rotor's unique design utilizes a permanent magnet to create a constant magnetic field, ensuring reliable and consistent ignition. It is precisely machined from high-quality materials, such as aluminum or steel, to ensure durability and resistance to corrosion.
The 21007-3728 and 21007-3731 flywheel magneto rotors are designed to fit specifically in the Kawasaki STX 15F and 12F Ultra LX Jet Ski models, respectively. They are direct replacements for worn-out or damaged rotors, ensuring smooth and efficient operation. Installing these rotors is a straightforward process, and they come with clear installation instructions to guide you through the process.
These flywheel magneto rotors are designed to withstand the rigors of jet ski use, providing reliable and consistent performance even in demanding conditions. They offer excellent durability, ensuring that your jet ski continues to perform at its best for years to come. By replacing your worn-out rotor with a new one, you can improve your jet ski's ignition system's efficiency and ensure a smoother, more powerful riding experience.
In summary, the Kawasaki 21007-3728 and 21007-3731 flywheel magneto rotors are essential components of the ignition system in the Kawasaki STX 15F and 12F Ultra LX Jet Skis. They are precisely machined from high-quality materials, ensuring durability and resistance to corrosion. These rotors offer reliable and consistent performance, making them an excellent investment for any jet ski owner looking to maintain their watercraft's optimal performance.
The Kawasaki STX 15F 12F Ultra LX is a popular jet ski model known for its powerful performance and advanced features. One essential component of this watercraft is the flywheel magneto rotor, which plays a significant role in its ignition system. This article discusses the pros and cons of buying a Kawasaki 21007-3728 and 21007-3731 flywheel magneto rotors for your STX 15F 12F Ultra LX.
Pros of Buying Kawasaki 21007-3728 & 3731 Flywheel Magneto Rotors:1. OEM Quality: These parts are original equipment manufacturer (OEM) components, ensuring a perfect fit and optimal performance.
2. Reliability: Kawasaki is a reputable brand known for manufacturing high-quality jet ski parts. These rotors are designed to meet the manufacturer's standards and provide long-lasting reliability.
3. Improved Ignition System: The flywheel magneto rotor plays a crucial role in the ignition system, allowing for efficient combustion and improved throttle response.
Cons of Buying Kawasaki 21007-3728 & 3731 Flywheel Magneto Rotors:1. Cost: OEM parts tend to be more expensive than aftermarket alternatives. The cost of these rotors may be a significant investment for some jet ski owners.
2. Availability: Depending on the location and availability, it may be challenging to find these parts in stock at local dealerships or retailers.
3. Installation Complexity: Installing these parts may require specialized tools and knowledge. If you're not comfortable working on your jet ski, it's recommended to have a professional perform the installation.
Conclusion:The Kawasaki 21007-3728 and 21007-3731 flywheel magneto rotors offer OEM quality, reliability, and improved ignition system performance for your STX 15F 12F Ultra LX. However, the cost, availability, and installation complexity may be disadvantages for some jet ski owners. Ultimately, the decision to purchase these parts depends on your budget, skill level, and the importance you place on having genuine OEM components.
Recommendation:If you prioritize OEM quality, reliability, and performance, and have the financial resources and technical know-how to install the parts yourself or hire a professional, then the Kawasaki 21007-3728 and 21007-3731 flywheel magneto rotors are a solid investment for your STX 15F 12F Ultra LX. However, if you're budget-conscious or prefer aftermarket alternatives, consider researching reputable aftermarket manufacturers for potential cost savings while maintaining adequate performance.
Part # 21007-3731 and updates older 21007-3728 Ships out within 24 hours. Flywheel magneto rotor assembly with wood ruff key. Excellent condition.