10 Common Kymco UXV 450i Problems With Fixes

As the great outdoors beckons, more and more adventurers are looking to maximize their off-roading experience. For extreme terrain, there is no better vehicle than the Kymco UXV 450i.

This power sports utility vehicle has all the features for tackling outdoor challenges: from 14” alloy rims and double A-arm suspension that prevents shock from bumps in the terrain to a digital instrument panel measuring speed, fuel, and temperature. In addition, its helpfully lightweight chassis enables riders to drive confidently over steep hills or unstable ground.

Simply put, the need for Kymco UXV 450i cannot be overstated – it provides an amazing level of riding performance with all of the necessary safety standards in mind.

While the Kymco UXV 450i may offer impressive features for off-roading enthusiasts, it is not without its potential problems. That’s way, In this article, we will be discussing some common problems reported by Kymco UXV 450i users.

10 Kymco UXV 450i Problems With Fixes

1. Overheating

The Kymco UXV 450i is a powerful and reliable utility vehicle. However, it’s not immune to overheating problems. Overheating can cause serious engine damage if not addressed quickly. Fortunately, there are several fixes you can try to address this issue with your UXV 450i. 

First, check the coolant level. If it’s low, top it off with the recommended antifreeze and water blend. Make sure the engine is completely cool before doing this. Then start the engine and check that the temperature gauge reads normal.

You also want to inspect your radiator for any signs of corrosion or damage. If there are any, you’ll need to get it repaired or replaced by a qualified mechanic.

Another common cause of overheating is the thermostat sticking in the closed position. If this is the case, then you’ll need to replace it with a new one.

Finally, make sure your air filter is clean and that it’s not blocked. A dirty or clogged air filter can reduce the amount of air entering the engine and cause it to overheat. Change your air filter at least every 12 months, or sooner if it looks particularly dirty.

More: 7 Most Common Problems With KYMCO UXV 700i

2. Fuel Pump Failure

The Kymco UXV 450i is a powerful and reliable off-roader, but like all vehicles, it can have its issues. One of the more common problems with this model is fuel pump failure. Fortunately, there are some things that you can do to help prevent or fix this issue. 

First, check your fuel filter. A clogged fuel filter can restrict fuel flow, resulting in a loss of power and eventually leading to the failure of your pump. If you find that the filter is clogged, replace it immediately. 

Next, make sure all the necessary hoses and connections are secure and free from wear or damage. Loose or worn parts can cause your pump to work harder, leading to faster wear and tear. 

Finally, inspect the fuel pump itself. If you see any signs of damage or excessive wear, it’s time to replace it before it fails completely. Kymco provides several replacement models designed specifically for the UXV 450i, so make sure to choose the right one for your needs. 

If you take the time to regularly inspect and maintain your Kymco UXV 450i fuel pump, you’ll help ensure that it continues to provide reliable performance for many years to come. Doing so will also save you time, money, and hassle in the long run by avoiding unexpected breakdowns and potential repair costs. 

3. Battery Drain

The Kymco UXV 450i is an all-terrain vehicle that offers a modern, powerful drivetrain and plenty of great features. It can be used for both work and play but like any other vehicle, it may encounter some issues from time to time. One issue which has been reported by some owners is battery drain problems with the Kymco UXV 450i.

Battery drain issues can be caused by several things including a faulty battery or wiring, incorrect charging settings, and/or an alternator that is not working properly. If you’re experiencing battery drain problems with your Kymco UXV 450i, it’s important to determine the cause in order to find a solution.

The first step is to check the battery itself. If it’s more than a few years old, it may need to be replaced as batteries can only hold a charge for so long. It’s also important to make sure the connections are clean and secure as loose or corroded terminals can prevent the battery from charging properly.

4. Electrical Issues

Kymco UXV 450i can experience electrical issues. These issues are common and occur due to a variety of causes, ranging from bad connections in the wiring harness to faulty components such as switches or controllers. Below are some of the most common electrical issues and their fixes: 

  • Battery Issues – It is possible for batteries to become discharged and no longer provide enough power to start the vehicle. This can be due to a faulty battery, loose or corroded connections, or simply not being used regularly. To solve this issue, check the battery for any visible signs of damage and replace if necessary. Connections should also be checked for corrosion and tightened as needed. 
  • Faulty Sensors – If a vehicle has a faulty sensor, it can cause various issues with the electrical system. This includes problems with starting and running the engine, as well as incorrect readings from the gauges. To fix this issue, replace any faulty sensors and check the wiring for loose connections. 
  • Loose or Broken Wires – Loose or broken wires can cause a myriad of problems with the electrical system. If it is an exposed wire, make sure to cover it in electrical tape and have it replaced by a qualified technician. 
  • FusesFuses are used to protect the wiring from overloading and shorting out. Faulty fuses can cause all sorts of issues with the electrical system, so it is important to check them periodically. If a fuse appears to be burnt out or damaged, replace it as soon as possible. 

5. Poor Braking

The Kymco UXV 450i is a popular all-terrain vehicle, but it’s not without its flaws. Poor braking performance is one of the most common problems reported by owners of this ATV. However, there are some relatively simple fixes that can help improve your stopping power. 

One common cause of poor braking performance is when the brake pads have worn down or need to be replaced. This can easily be remedied by replacing the brakes and/or pads with high-quality aftermarket replacements. In addition, checking for any free play in the brakes and ensuring that all parts are correctly adjusted will help to ensure maximum stopping power. 

Another cause of poor braking performance is incorrect brake fluid levels. It is important to regularly check the fluid level and top it up if necessary, as this can dramatically improve your stopping power. Finally, checking for any bent or damaged brake lines will also help to ensure that you are able to stop safely when needed. 

6. Transmission Problems

Kymco UXV 450i is a reliable and capable UTV, but as with any vehicle, it can experience transmission problems. Common transmission issues for the Kymco UXV 450i may include erratic shifting of gears, hard shifting, slipping between gears, or delayed shifting. Fortunately, there are some fixes that you can try to get your ride running smoothly again.

First, check the gear oil level and condition. If it’s too low or dirty, replace it with fresh gear oil. You should also inspect the differential fluid and make sure that it is at the proper levels as well. Make sure to use the correct type of gear oil and differential fluid for your specific Kymco UXV 450i.

If the problem persists, you may need to adjust the gear shift linkage. This can be done by adjusting the tension on the shifter cable or by loosening and retightening the transmission mounting bolts. Make sure not to overtighten them though, as this can cause further transmission problems.

7. Suspension Issues

The Kymco UXV 450i is a rugged and reliable ATV that can handle extreme terrain and conditions. However, like any vehicle, it will experience wear and tear over time. One common issue with the Kymco UXV 450i is suspension problems. This article outlines some common causes of suspension issues in the Kymco UXV 450i and possible fixes.

One of the most common causes of suspension issues in the Kymco UXV 450i is worn or damaged shock absorbers. If this is the case, you may need to replace your shock absorbers with new ones. Additionally, it’s important to make sure they are properly installed and adjusted.

Another cause of suspension issues in the Kymco UXV 450i is worn or damaged control arms. It’s important to inspect your control arms regularly and replace any that are showing signs of wear or damage. You may also need to lubricate them to ensure they move freely and reduce friction.

8. Oil Leaks

Kymco UXV 450i oil leaks are a common issue that can cause serious damage to your ATV. Fortunately, there are some relatively simple fixes that you can do yourself if you know what to look for. 

The first thing to check is the engine and transmission gaskets for any signs of wear or tear. If any are found, they should be replaced as soon as possible. Additionally, you should inspect the clutch and oil galleries for signs of leaks or clogs. If either of these components appears to be leaking, it should be repaired or replaced immediately. 

Another important component that could cause an oil leak is the oil filter. If a replacement filter is needed, you should be sure to use the correct filter for your ATV. Check with a service manual or online to find out what type of filter is best suited for your vehicle’s model and year. 

9. Belt Wear

Kymco UXV 450i belt wear issues are something that many owners of this ATV experience. The belt is a critical component in the power transmission system and any wear can cause problems with performance and reliability. Fortunately, there are some simple fixes you can do to address the issue. 

One of the most common causes of belt wear on the Kymco UXV 450i is a misaligned drive belt. To check if the belt is misaligned, you will need to remove the cooling fan and inspect it beneath. If the alignment looks off, then you can adjust it with a wrench or socket set.

Another common issue that causes premature belt wear on the Kymco UXV 450i is a dirty or worn drive belt. The belt can become clogged with dust and debris, which will cause it to slip and wear prematurely. To clean the belt, use compressed air to blow away any dirt or debris that might be stuck on it.

10. Vibration

If you own a Kymco UXV 450i, chances are you’ve experienced some vibration issues with your machine. While this is a fairly common issue, there are several fixes that can help to reduce or eliminate the problem. 

The first recommendation is to make sure your brake system is properly adjusted and balanced. If the brakes are not adjusted and balanced correctly, they can cause excessive vibration. You should also check the tightening of all your wheel nuts as loose wheel nuts can cause more vibration. 

Another thing to look at is the tires. Make sure they are properly inflated and that sizes and types match on both sides of the machine. Incorrectly sized or mismatched tires can cause excessive vibration.

Finally, you should check the alignment of your machine. If it is not aligned properly, this can lead to excessive vibration and even premature wear on components. 

Cons of Kymco UXV 450i 

  • The vehicle has a relatively small cargo capacity, which limits its ability to carry large loads or bulky items. 
  • The 450i has a shorter wheelbase than its larger competitors, which can make it somewhat less stable on uneven surfaces.

FAQs

How much is a Kymco 450i?

The Kymco 450i is a mid-range, full-size all-terrain vehicle (ATV). The MSRP for this ATV starts at $7,599 USD.

How Fast Is The Kymco 450i?

The Kymco 450i is a powerful machine with its 4-stroke, single cylinder engine which provides impressive power and speed. The maximum speed of the ATV is 55 mph (89 km/h).

How Much Horsepower Does a Kymco 450i Have?

The Kymco 450i ATV has a powerful single cylinder, 4-valve engine that produces 44 horsepower at 7,000 rpm. 

What engine is in the Kymco 450i?

The Kymco MXU 450i is equipped with a liquid-cooled, 4-stroke, single-cylinder engine with a displacement of 442cc.

How Much Towing Capacity Does a KYMCO 450i Have?

The KYMCO 450i has a towing capacity of up to 1,400 lbs (640 kg). It is also equipped with an impressive 2″ receiver hitch, making it versatile enough for a variety of tasks. The strong frame and engine make this ATV extremely capable when it comes to heavy-duty work such as hauling

How Much Does a KYMCO Maxxer 450i Weigh?

KYMCO Maxxer 450i has an impressive power-to-weight ratio, and it weighs approximately 438 lbs (198 kg).

Conclusion

Riding the Kymco UXV 450i is a truly exhilarating experience. With its powerful four-stroke engine and highly reliable transmission, the UXV can reach speeds of up to 55 mph for an exciting ride.

Driving around your favorite trails has never been easier as the machine boasts some of the most advanced suspension systems on a UTV. You can also traverse almost any terrain, including rocky hills and deep woods, without sacrificing safety or performance due to its sophisticated onboard computer system.

The design of the Kymco UXV 450i ensures that your ride is always comfortable and enjoyable regardless of how rough the terrain may be. If you have ever wanted to feel truly free while hopping across all sorts of terrains, the Kymco UXV 450i will provide you with an unforgettable riding experience.