
The 1993 Arctic Cat EXT 580 is a powerful snowmobile, but like any machine, it can sometimes run into problems. One issue that has been reported by users is difficulty getting the engine to start. In some cases, this can be caused by a faulty fuel tank, which may be due to a blocked hose or a faulty fuel pump. Luckily, there are several options available to repair or replace the fuel tank and its components, including purchasing a repair manual or a new fuel pump, or even an entire repair kit for the carburetor.
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What You'll Learn

Check for fuel leaks
One common area for fuel leaks is the fuel tank itself. Over time, the tank may develop cracks or rust, leading to fuel leakage. Inspect the tank carefully, including the seams and welds, for any signs of damage or deterioration. If the tank is damaged, it may need to be repaired or replaced.
Another potential area for leaks is the fuel lines and hoses. These components can become brittle, cracked, or damaged over time, leading to fuel leakage. Carefully examine the entire length of the fuel lines and hoses, including any connections or clamps, for any signs of deterioration or wet spots. If you notice any issues, replace the affected lines or hoses with new ones to ensure a proper seal and prevent further leaks.
Additionally, check the fuel filter and fuel pump for any signs of leakage. The fuel filter is responsible for removing contaminants from the fuel, and a clogged or damaged filter can restrict fuel flow and cause leaks. Inspect the fuel filter for any signs of damage or clogging, and replace it if necessary. The fuel pump, which delivers fuel from the tank to the engine, can also develop leaks over time. Check the pump for any signs of fuel dripping or wet spots, and ensure that the pump is functioning properly. If the fuel pump is faulty or leaking, it may need to be repaired or replaced.
Finally, pay attention to the carburetor and its components. The carburetor is responsible for mixing air and fuel, and a malfunction or leak in this area can affect engine performance. Inspect the carburetor bowl, gaskets, O-rings, and jets for any signs of fuel leakage or damage. Clean or replace the carburetor components as necessary, ensuring that all connections are secure and properly sealed.
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Inspect the fuel pump
Inspecting the fuel pump on a 1993 Arctic Cat EXT 580 involves a thorough examination of the pump and its associated components to ensure proper functioning and identify any potential issues. Here is a step-by-step guide to help you through the process:
Firstly, locate the fuel pump. On the Arctic Cat EXT 580, the fuel pump is typically found near the fuel tank and the carburetor. Once located, start by visually inspecting the fuel pump for any signs of damage or wear and tear. Look for cracks, leaks, or any physical damage that may hinder its performance.
Next, check the fuel lines connected to the pump. Ensure that the lines are securely attached and free from kinks or blockages. Fuel line issues can disrupt the flow of fuel, causing problems with the engine's performance. Inspect the fuel filter as well, as a clogged filter can restrict fuel flow and affect the fuel pump's operation.
Then, assess the vacuum hose and vacuum plug connected to the engine. Ensure they are in good condition and properly connected. Any leaks or disconnects in the vacuum system can impact the fuel pump's ability to maintain the necessary fuel pressure.
After that, verify the fuel pump's functionality by performing a pressure test. This can be done by blowing into the fuel tank to create positive pressure and observing if the fuel flows smoothly through the pump and associated lines. Additionally, you can try starting the engine and listening for any unusual noises coming from the fuel pump, which may indicate a problem.
Finally, if the fuel pump is not functioning properly, consider rebuilding or replacing it. A rebuilt fuel pump can improve performance and resolve issues related to fuel delivery. However, if issues persist, consult a professional mechanic or refer to specific Arctic Cat EXT 580 repair manuals for further guidance.
By following these steps and performing a comprehensive inspection of the fuel pump and its related components, you can help ensure the optimal performance of your 1993 Arctic Cat EXT 580 and address any fuel-related issues effectively.
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Clean the carburetor
To repair a fuel tank on a 1993 Arctic Cat EXT 580, you may need to clean the carburetor.
First, remove the carburetor from the machine. This will allow you to access and clean all of its components thoroughly.
Next, inspect the carburetor for any signs of dirt, debris, or damage. Pay close attention to the jets, as these are critical to the proper functioning of the carburetor and can become clogged over time. If the jets are clogged, use a carburetor cleaner or compressed air to clear them. You may also need to replace the jets if they are damaged or excessively worn.
After cleaning or replacing the jets, reassemble the carburetor, ensuring that all components are correctly aligned and secured. Refer to a repair manual or seek assistance from a qualified technician if you are unsure about the reassembly process.
Additionally, it is important to inspect and maintain other related components, such as the fuel filter, fuel pump, and hoses. Ensure that the fuel filter is clean or replace it if necessary. Check the fuel pump for any signs of damage or malfunction, and verify that the hoses are properly connected and not kinked or blocked.
By following these steps and paying close attention to the condition of the carburetor and associated parts, you can effectively clean and maintain the carburetor on your 1993 Arctic Cat EXT 580, helping to ensure optimal performance and fuel efficiency.
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Replace the fuel pump
To replace the fuel pump of a 1993 Arctic Cat EXT 580, you can follow these steps:
Firstly, check if you are getting fuel from the tank into the fuel filter and the fuel pump. If you are, then the issue may lie elsewhere. However, if you are not getting fuel into the pump, then you may need to replace the fuel pump.
You can purchase a replacement fuel pump for the 1993 Arctic Cat EXT 580 from Amazon. The QFS/HFP Snowmobile In Tank Fuel Pump Replacement is an affordable, direct-fit OEM replacement that comes with a comprehensive install kit. It is designed for problem-free operation and has upgraded polymers, brushes, and commutators that guarantee consistent flow, amperage draw, and quiet operation.
Once you have purchased the replacement fuel pump, you can follow the installation instructions provided with the kit. Make sure to also refer to the 1993 Arctic Cat EXT 580 service manual for detailed instructions and illustrations on repairing and replacing the fuel pump.
Additionally, it is important to check the fuel lines for any kinks or blockages, as this can also cause issues with fuel delivery to the pump.
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Use a carburetor repair kit
To repair the fuel tank of a 1993 Arctic Cat EXT 580, you can use a carburetor repair kit. This is a generic step-by-step guide on how to use a carburetor repair kit.
First, you will need to purchase a carburetor repair kit that is compatible with your 1993 Arctic Cat EXT 580. You can find these kits available online. Make sure the kit includes necessary O-rings, gaskets, a funnel gasket, jets, a needle, a mixture screw, float bowl screws, and a float valve needle and seat.
Once you have the kit, locate the carburetor on your 1993 Arctic Cat EXT 580. It is usually found near the fuel tank and the engine. With the help of a repair manual, you can identify the specific parts of the carburetor that need to be repaired or replaced.
Next, carefully disassemble the carburetor, following the instructions provided in your repair manual. Clean all the components thoroughly, including the jets and bowls. Inspect the parts for any damage, wear, or tear. Replace any damaged or worn-out parts with the new ones from your repair kit, ensuring they are compatible and properly fitted.
After completing the repairs and replacements, carefully reassemble the carburetor, making sure all components are correctly aligned and secured. Refer to the repair manual for torque specifications and tightening sequences to avoid over-tightening or incorrect assembly.
Finally, before starting the engine, inspect your work and ensure that all connections are secure and there are no fuel leaks. Start the engine and let it run for a few minutes. Observe the engine's performance and listen for any unusual noises. Test the machine to ensure it is functioning optimally.
By following these steps and using a carburetor repair kit, you can effectively repair the fuel tank issues with your 1993 Arctic Cat EXT 580.
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Frequently asked questions
You can purchase a new fuel pump for your 1993 Arctic Cat EXT 580. Alternatively, you can try repairing the fuel pump by taking it apart and cleaning it.
You can buy a replacement fuel pump for the 1993 Arctic Cat EXT 580 from Amazon.
The issue could be a kinked line going into the tank. Try blowing into the tank and covering it with a cloth to keep it pressurised.
The bowl line hose drain plug could be missing, causing gas to drain out of the bottom of the carbs.
Yes, there are repair kits available on Amazon that include O-rings, gaskets, funnel gasket, jets, needles, mixture screws, float bowl screws, and float valve needles.












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