Rajan Wilcox
There are several ways to drain a Ducati ST fuel tank. One way is to use a siphon to remove the fuel. This can be done by using a hose and a funnel or a super siphon to drain the fuel into a container. Another way is to remove the tank and pour the fuel into a small plastic tub, then remove the pump/filter assembly and pour out the remaining fuel. Additionally, some people suggest using a drain plug or cutting the fuel line to let the tank pump itself dry.
How to Drain a Ducati ST Fuel Tank
| Characteristics | Values |
|---|---|
| Fuel tank removal | Disconnect the fuel line quick disconnects, fuel pump wire harness, and vent hoses |
| Fuel drainage methods | Siphoning, using a drain plug, disconnecting fuel lines and letting the tank drain, using a pump |
| Tools | Super siphon or wonder hose, Gas Tapper siphon, PELA 6000 pump, clear plastic hose with check valve, brass hose barb mender |
| Fuel storage | Fuel container, milk jug, cleaned-out milk jug |
| Fuel pump | Leave the fuel pump in the tank or remove it |
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What You'll Learn
Siphoning the tank
Siphoning is a popular method for draining a Ducati ST fuel tank. This method is useful if you need to change the fuel filter or perform any other maintenance inside the tank. It is also a good option if you want to avoid the hassle of removing the tank, which can be a big job.
To siphon the fuel, you can use a specialised siphon hose with a bulb on it, such as a "wonder hose" or "super siphon", which can be purchased from hardware stores or online. Alternatively, a simple clear plastic hose with a check valve at one end can also be used. You submerge the check valve into the tank and hang the other end of the hose down into a receiving container. Shake the hose up and down a few times to get the fuel flowing, and you will see it rise in the hose and quickly drain out.
If you are not comfortable with siphoning, you can try other methods such as using a fuel pump to drain the tank. However, it is important to exercise caution and refer to the service manual or seek professional help if you are unsure.
It is worth noting that some Ducati owners have mentioned that they choose to ride their bikes until the fuel tank is half-empty and then top it off with fresh fuel, instead of completely draining and refilling the tank. This method may be a viable alternative to siphoning, depending on your specific needs and preferences.
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Using a drain plug
Locate the Fuel Drain Plug: Refer to your Ducati's shop manual or seek advice from experienced Ducati owners or mechanics to identify the precise location of the fuel drain plug. This information will ensure you can access and operate the drain plug effectively.
Prepare the Work Area: Before beginning the draining process, it's essential to prepare your workspace. Place a suitable container, such as a small plastic tub or a catch bucket, underneath the fuel tank to collect the drained fuel. This will prevent spills and ensure a safe and environmentally friendly procedure.
Access the Drain Plug: Depending on your Ducati model, you may need to remove the fuel tank or access it from below. If removal is necessary, follow the appropriate procedures, including disconnecting the fuel line and pump wire harness, to safely detach the fuel tank.
Loosen the Drain Plug: Using the appropriate tool, such as an Allen wrench, loosen the fuel drain plug. You may need to apply some force, but be careful not to strip the threads or damage the plug. Grease or petroleum jelly can be applied to the O-ring to aid in loosening and prevent damage.
Drain the Fuel: Once the drain plug is loosened, carefully remove it, allowing the fuel to drain into the container you have placed below. Depending on the fuel level in your tank, you may need to tilt or adjust the tank's position to ensure a complete drain.
Replace the Drain Plug: After the fuel has finished draining, securely replace the drain plug. Ensure it is tightened appropriately to prevent leaks when refilling the tank.
Dispose of Drained Fuel: Properly dispose of the drained fuel at a designated fuel disposal facility or recycling centre. Do not pour it down drains or into the environment, as it can cause pollution and harm to wildlife.
By following these steps, you can effectively drain your Ducati ST fuel tank using the drain plug method. Remember to exercise caution when working with fuel and always refer to your Ducati's manual or seek expert advice if you have any questions or concerns.
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Disconnecting the fuel line
Locate the Fuel Pump Relay: The fuel pump relay is located near a metal bracket and is continuously supplied with 12V from the battery. It is important to note that this relay does not turn off with the key switch, so it is crucial to disconnect the battery before proceeding.
Disconnect the Battery: Before proceeding with any fuel-related work, it is essential to disconnect the battery. This is a standard safety precaution for any vehicle, including your Ducati ST.
Access the Fuel Line: The fuel line is connected to the fuel pump. You will need to locate the fuel pump and identify the fuel line connected to it. The fuel line is typically secured with quick-disconnect fittings or clamps.
Prepare a Catch Container: Before disconnecting the fuel line, place a catch container, such as a bucket or a suitable fuel-safe container, below the fuel line connection to collect the draining fuel. This will prevent fuel spillage and ensure a safer work environment.
Disconnect the Fuel Line: Using the appropriate tools, carefully disconnect the fuel line from the fuel pump. Some Ducati models may have quick-disconnect fittings, while others may require loosening clamps or hoses. Be cautious and gentle during this step to avoid fuel spillage.
Manage the Fuel Pump: Once the fuel line is disconnected, you can now focus on managing the fuel pump. You may choose to leave the fuel pump in the tank or remove it for servicing or replacement. If you decide to remove the fuel pump, ensure you follow the manufacturer's guidelines or seek professional assistance.
By following these steps, you will successfully disconnect the fuel line, which is a critical aspect of draining your Ducati ST fuel tank. Always prioritize safety and refer to your motorcycle's service manual or seek advice from experienced mechanics or Ducati enthusiasts if you have any doubts or concerns.
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Removing the tank
One method for removing the tank is to first drain the fuel. This can be done by using a siphon hose to remove as much fuel as possible. There are various types of siphon hoses available, such as the Gas Tapper, which can make the process quicker and less messy. Alternatively, you can try using a "wonder hose" or "super siphon", which can be found on eBay or at most hardware stores. These hoses are safe for fuel and can drain the tank quickly.
Once the fuel is removed, you can proceed to remove the tank. This typically involves disconnecting the fuel line quick disconnects, fuel pump wire harness, and being mindful of the vent hoses underneath. It may also be necessary to remove the rear mounting pin and filler cap assembly. After removing the necessary components, you can then invert the tank and pour any remaining fuel into a small plastic tub or another suitable container.
In some cases, it may be possible to drain the tank without removing it. This can be done by pulling a line off the fuel pump and turning the key on/off multiple times while catching the fuel in a container. However, it is important to exercise caution when attempting this method, as it involves working with electricity and flammable liquids.
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Storing the fuel
If you are looking to store the fuel from your Ducati, there are a few methods you can use to drain the fuel tank. Firstly, you can try to use a siphon to remove the fuel. This method is often preferred as it does not require removing the tank, which can be a big job. There are various types of siphons available, such as the Gas Tapper, which can make the process easier and less messy. However, it is important to note that some siphons may not be effective in removing all the fuel, and you may need to tip the bike to get the remaining fuel out of the hoses. Additionally, be cautious when using a naked flame to inspect the tank.
Another option is to use a "wonder hose" or "super siphon", which can be purchased online or at most hardware stores. These tools are designed for safe fuel drainage and can quickly drain the tank. They also come with their own containers, making fuel storage convenient. Alternatively, you can use a clear plastic hose with a check valve at one end, which can be submerged into the tank to drain the fuel into a receiving container.
If you decide to remove the tank, you can invert it and pour the fuel into a small plastic tub or a cleaned-out milk jug for storage. However, this method may not be ideal if you are looking for a quick and mess-free option. Additionally, ensure that you disconnect the fuel pump wire harness and be mindful of the vent hoses underneath to avoid any spills.
Lastly, you can try to use the fuel pump to drain the tank. This method involves pulling a line off the fuel pump and turning the key on/off multiple times while catching the fuel. However, this method may not be suitable for everyone, and it is recommended to leave it to professionals if you are not comfortable.
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Frequently asked questions
There are a few ways to drain your Ducati ST fuel tank. The first is to simply ride your bike until the tank is half empty, then top it off with fresh fuel and empty it. Another way is to use a siphon to drain the tank. You can also cut the fuel line, jump the fuel pump relay, and let it pump itself dry. If you want to remove the tank, you can pull the rear mounting pin, remove the filler cap assembly, invert the tank, and pour the fuel into a small plastic tub.
It is not necessary to drain your Ducati ST fuel tank. If you need to change the fuel filter or do any other maintenance inside the tank, it is recommended to wait until the tank is less than half full to avoid having to siphon the gas out.
There are a few different tools you can use to drain your Ducati ST fuel tank. A "wonder hose" or "super siphon" can be used to quickly drain the tank. You can also use a clear plastic hose with a check valve at one end, which can be submerged into the tank to drain the fuel. Another option is to use a Gas Tapper siphon, which is a quality tool that works well.
After draining your Ducati ST fuel tank, you can store the fuel in a cleaned-out milk jug or another container.
When draining your Ducati ST fuel tank, it is important to disconnect the fuel pump wire harness and be mindful of the vent hoses underneath. It is also recommended to disconnect the battery before beginning any work on the fuel tank, as the fuel pump relay is continuously supplied +12V from the battery.
