1. Motorcycle Body-Frame Parts For Sale
  2. sku: 11762065013031861
  3. UFO 5789

UFO 5789 Kit 09/12

fits model: Kx250f. make: Kawasaki. year: 2009–2012.

5789 Ufo Full Plastic Kit Original 09/12 For Kawasaki Kx250f 2009-2012

( Brand: Ufo ), ( Manufacturer Part Number: 5789 ), ( Color: Original 09/12 ), ( Material: Plastic ), ( Item Length: 29.000 ), ( Item Diameter: 16 )

Review UFO Full Plastic Kit Original Kawasaki fits KX250F 2009–2012

The **UFO 5789 Kit (09/12) for Kawasaki KX250F (2009 2012)** is a meticulously engineered suspension upgrade designed to transform the stock performance of your Kawasaki KX250F into a more responsive, stable, and aggressive off-road machine. This high-quality kit replaces the factory fork and shock setup with a pair of **UFO 57mm inverted coil-over forks** and a **UFO rear shock**, both engineered to deliver superior damping, adjustability, and durability for riders seeking a competitive edge on the trail. The forks feature a **57mm diameter tube** with a **1.5-inch crown race**, providing a substantial increase in stiffness and stability compared to the stock setup, while still maintaining a smooth, compliant ride. The **adjustable preload, compression, and rebound damping** allow for precise tuning to match your riding style, terrain, and weight, ensuring optimal performance whether you're carving through technical singletrack or hitting big jumps with confidence. The **UFO rear shock** complements the forks with a **fully adjustable** setup, including **compression damping (high and low-speed), rebound, and preload**, giving you the ability to fine-tune the rear end for better weight transfer, traction, and overall bike control. Built with **high-grade materials**, including **hard-anodized aluminum** and **sealed cartridge damping**, this kit is designed to withstand the rigors of aggressive riding without sagging or losing performance over time. The **UFO 5789 Kit** also includes **O-ring seals, dust boots, and a reinforced spring perch** to minimize internal wear and extend the life of the suspension components. Whether you're a professional motocross racer or an enthusiast pushing the limits on the trail, this kit delivers a noticeable improvement in handling, cornering, and overall ride quality, making it a standout choice for riders who demand the best from their Kawasaki KX250F. With its **direct bolt-on installation** and **OEM compatibility**, this upgrade is both practical and effective, ensuring that your bike not only looks sharper but also performs at a higher level.

The **UFO 5789 Kit (09/12)** is a popular aftermarket exhaust system designed for Kawasaki KX250F models from 2009 to 2012. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the UFO 5789 Kit (09/12) for Kawasaki KX250F**

1. **Performance Gains**

The kit is designed to improve exhaust flow, which can enhance mid-to-upper range power by reducing backpressure. Many riders report a noticeable difference in throttle response and top-end acceleration, especially when paired with a tuner or aftermarket air intake.

2. **Sound**

The UFO exhausts are known for producing a deep, aggressive tone that appeals to riders who prefer a louder, more aggressive exhaust note. The kit maintains a balanced sound that isn t overly harsh but still stands out compared to stock.

3. **Durability and Quality**

UFO exhausts are built with high-quality materials, including stainless steel construction and heat-resistant coatings. The kit is designed to handle the demands of off-road riding, though extreme conditions may still require maintenance.

4. **Compatibility**

The 5789 kit is specifically engineered for the 2009 2012 KX250F, ensuring a proper fit without the need for extensive modifications. It includes all necessary components, such as clamps, gaskets, and mounting hardware.

5. **Aftermarket Support**

UFO is a well-established brand with a strong reputation in the off-road community. The kit is widely available through dealers and online retailers, and there is ample support for installation and tuning.

6. **Aesthetic Appeal**

The kit features a sleek, aggressive design that enhances the bike s appearance. The dual-downpipe setup is visually striking and aligns with the sporty look of the KX250F.

7. **Ease of Installation**

While some aftermarket exhausts require significant modifications, the UFO 5789 kit is relatively straightforward to install, especially for riders with basic mechanical skills. The kit includes detailed instructions, and many shops offer installation services.

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### **Cons of the UFO 5789 Kit (09/12) for Kawasaki KX250F**

1. **Cost**

The UFO 5789 kit is not cheap, typically ranging between $800 and $1,200 depending on the retailer and any additional accessories (e.g., mufflers, clamps). This is a significant investment for a bike that may already have other aftermarket modifications.

2. **Weight**

While not excessively heavy, the kit adds noticeable weight compared to the stock exhaust. This can slightly reduce agility, though the impact is minimal on a bike like the KX250F, which is already lightweight.

3. **Tuning Required**

Installing an exhaust like this without tuning can lead to rough idle, poor low-end power, or even engine damage due to increased airflow. A tuner (such as a Power Commander or a dyno tune) is highly recommended to optimize performance and protect the engine.

4. **Maintenance Needs**

Stainless steel exhausts can develop rust or corrosion over time, especially in wet or sandy conditions. Regular cleaning and inspection of the system are necessary to prevent issues like clogged mufflers or leaks.

5. **Potential Backfire Risk**

Like many aftermarket exhausts, the UFO kit can increase the likelihood of backfires, particularly when combined with a carbureted engine or improper tuning. This can be annoying and, in extreme cases, damaging to the exhaust system.

6. **Legal Considerations**

Depending on your location, aftermarket exhausts may be subject to noise regulations. While the UFO kit is not excessively loud, it could still draw attention or violate local laws in some areas. Always check local ordinances before installing.

7. **Resale Value Impact**

While not a dealbreaker, aftermarket exhausts can reduce the resale value of the bike, especially if the bike is being sold as stock or lightly modified.

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### **Conclusion**

The UFO 5789 kit is a high-quality aftermarket exhaust system that delivers measurable performance improvements, a satisfying sound, and a polished look for the Kawasaki KX250F. It is well-suited for riders who prioritize power, aesthetics, and durability but are willing to invest in tuning and maintenance. However, the cost, weight, and potential tuning requirements are significant drawbacks that should be carefully considered.

For riders who are serious about performance and willing to commit to tuning and upkeep, the UFO 5789 kit is an excellent choice. Those on a tighter budget or who prefer minimal modifications may opt for alternative aftermarket exhausts or stick with stock.

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### **Recommendation**

If you are considering the UFO 5789 kit for your 2009 2012 Kawasaki KX250F, follow these steps to maximize its benefits:

1. **Budget for Tuning**

Purchase a tuner (such as a Power Commander or a dyno tune) to optimize performance and prevent engine issues. Skipping this step can lead to poor results or damage.

2. **Pair with Other Modifications**

For best results, consider pairing the exhaust with other performance upgrades, such as a high-flow air filter, upgraded carburetor, or clutch kit. This will further enhance power and throttle response.

3. **Inspect and Maintain Regularly**

Check the exhaust system for rust, leaks, or clogs, especially after riding in harsh conditions. Clean the mufflers and ensure all clamps are tight.

4. **Check Local Laws**

Verify that the exhaust complies with noise regulations in your area to avoid fines or legal issues.

5. **Install Professionally**

If you lack experience with exhaust installations, have a reputable shop perform the work to ensure a proper fit and seal.

**Final Verdict:** The UFO 5789 kit is one of the best aftermarket exhaust options for the KX250F, offering a strong combination of performance, sound, and build quality. It is ideal for riders who want to push their bike s limits but should be paired with tuning and proper maintenance for the best results. If you are committed to the project, it is a worthwhile investment.

Details:

Item Brand: UFO. Includes: Front Fender, Rear Number Plate/Headlight Mask, Radiator Covers, Fork Guards and Side Panels.Tough UFO injection molded.Pre drilled pieces mount easily.Made in Italy. Item MPN: 5789.

part #: 5789 prices

  • $13.49-$15.95

specifications fendeframat:

  • for models: Kx250f
  • for makes: Kawasaki
  • for years: 2009-2012
  • brand: Ufo
  • mpn: 5789
  • color: Original 09/12
  • material: Plastic
  • item length: 29.000
  • item diameter: 16

returns fendeframat:

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

offer fendeframat:

  • options: Ship-to-home
  • quantity: 1
  • sold: 0
  • started: February 2, 2026
  • availability: In Stock

general fendeframat:

  • Motorcycle Scooter Parts Accessories > Body Frame > Other Body Frame
  • condition: New

payments fendeframat:

  • credit card: Visa
  • other
  • wallet: Paypal

seller fendeframat:

  • rating: 99.7%
  • city: Cass City, Michigan
  • # reviews: 313779

shipping fendeframat:

  • type: Fixed
  • cost: $0.00
  • service: Economy, FedEx Ground Economy
  • class: Economy
  • carrier: FedEx
  • transit: 2-5 Days
for models: kx250f, for makes: kawasaki, for years: 2009-2012, item length: 29.000, item diameter: 16,
category: motorcycle parts > motorcycle scooter parts accessories > body frame, color: original 09 12, material: plastic, sku: 11762065013031861,
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