fits model: Kfx400, Ltz400, Z400. make: Suzuki, Kawasaki. year: 2003–2004.

( Brand: Kawasaki ), ( Manufacturer Part Number: 15003-S015 ), ( Type: Carburetor )
The Mikuni VM34 carburetor is a high-performance, aftermarket replacement for the original carburetors on various models of ATVs, including the 2003-2004 Kawasaki KFX400, Suzuki LTZ400, and Yamaha YFZ400Z (also known as the Z400). This carburetor is specifically designed to fit the Mikuni VM34 carburetor mounting flange, making it a direct fit for these models.
The Mikuni VM34 carburetor is a 34mm, constant-velocity, flat slide, and venturi-type carburetor. It features a primary jetting range of 120-150 main jet size and a secondary jetting range of 55-65, allowing for precise tuning to match the specific engine and riding conditions of your ATV. The carburetor also features a flat slide, which provides excellent mid-range performance and throttle response.
The Mikuni VM34 carburetor is made of high-quality materials, including a corrosion-resistant aluminum body and brass fuel and air passages. The carburetor also features a nitride-coated throttle shaft for smooth operation and long-lasting durability. The carburetor also comes with a new gasket, making installation easy and hassle-free.
The Mikuni VM34 carburetor is designed to provide superior fuel efficiency and power delivery compared to the original carburetors on these ATVs. The carburetor features a venturi design that provides a smooth, constant air/fuel mixture to the engine, which results in smoother power delivery and improved overall performance. The carburetor also features a multi-jet circuit, which allows for fine-tuning of the fuel mixture for optimal engine performance.
In summary, the Mikuni VM34 carburetor is a high-performance, aftermarket replacement for the original carburetors on the 2003-2004 Kawasaki KFX400, Suzuki LTZ400, and Yamaha YFZ400Z. It features a precise jetting range, high-quality materials, and a venturi design for superior fuel efficiency and power delivery. The carburetor is a direct fit for these models and comes with a new gasket for easy installation. It is an excellent upgrade for any ATV enthusiast looking to improve the performance of their ATV.
Pros of buying a Mikuni carburetor for a 2003-2004 Kawasaki KFX400, Suzuki LTZ400, or Yamaha Z400:1. Improved performance: Mikuni carburetors are known for providing a smoother and more efficient fuel-air mixture, which can result in improved engine performance.
2. Better fuel economy: A well-tuned Mikuni carburetor can help improve fuel economy by ensuring that the engine receives the correct amount of fuel-air mixture, reducing fuel waste.
3. Easy installation: Mikuni carburetors are generally easy to install and can be installed without the need for major modifications to the engine.
4. Durability: Mikuni carburetors are known for their durability and reliability, which can help reduce maintenance costs over time.
Cons of buying a Mikuni carburetor for a 2003-2004 Kawasaki KFX400, Suzuki LTZ400, or Yamaha Z400:1. Potential tuning required: A Mikuni carburetor may require tuning to work optimally with your specific engine, which can be a time-consuming and potentially expensive process.
2. Limited aftermarket support: Compared to electronic fuel injection, there may be limited aftermarket support and tuning options available for Mikuni carburetors.
3. Potential for less power: While a Mikuni carburetor can improve engine performance, it may not provide as much power as a high-performance electronic fuel injection system.
Conclusion:If you are looking for a cost-effective and reliable way to improve the performance and fuel economy of your 2003-2004 Kawasaki KFX400, Suzuki LTZ400, or Yamaha Z400, a Mikuni carburetor could be a good option. However, you should be prepared for potential tuning requirements and limited aftermarket support. If you are looking for maximum power and advanced tuning options, you may want to consider an electronic fuel injection system.
Recommendation:If you decide to go with a Mikuni carburetor, it is recommended to have it professionally tuned to ensure optimal performance and fuel economy. Additionally, you may want to consider purchasing a Mikuni carburetor kit that includes all necessary parts, such as a throttle body, intake manifold, and fuel injection system, to ensure a smooth installation process.
Good used ltz 400 carb may need to be cleaned.