Mercedes Mullins
If you want to drain the fuel tank on your 02 Heritage Harley, there are a few methods you can try. One way is to use a siphon hose to get most, if not all, of the fuel out. You can also try turning the petcock to reserve and running an air hose to the vent on the right tank to blow out any remaining fuel. If you want to avoid spills, you can try using a hand pump to start a siphon effect and drain the tank. Another option is to remove the fuel hose from the tank bung and throttle body, and then plug it back into the tank bung before attaching a hose to the fuel line and inserting the other end into a fuel can. Remember to always exercise caution when handling fuel and be mindful of fire hazards.
How to drain fuel tank on 02 Heritage Harley
| Characteristics | Values |
|---|---|
| Fuel tank capacity | 5 gallons |
| Fuel pump | Disconnect when empty |
| Fuel lines | Expose the fuel lines by pulling up the rubber skirt under the gas cap |
| Fuel out line | Locate the blue tabs, pinch them, then remove and push on a suitable hose |
| Fuel hose | Unplug the fuel hose from the tank bung and the throttle body |
| Fuel Tool | A piece of equipment that can be used to drain the tank |
| Siphoning | A safe way to drain the tank |
| Fire hazard | Keep fuel lines clean and be aware of the fire hazard |
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$48.95
What You'll Learn
Using a siphon hose
To drain the fuel tank on a 2002 Heritage Harley, one method is to use a siphon hose. This is a good old-fashioned way to drain the tank and get most, if not all, of the fuel out.
Firstly, locate the fuel output line. This is usually under the rubber skirt beneath your gas cap. Pinch the blue tabs to remove the fuel line and push a suitable hose onto it. Insert the other end of the hose into a suitable container to catch the fuel. You can use a 5-gallon jug or a gas can.
Now, locate the fuse for the fuel pump and remove it. Keep it safe, as you will need to reinstall it later. With the bike upright and slightly to the right, you can begin to siphon the fuel. You can use a hand-operated vacuum pump to pull a suction and let the fuel flow into your container.
If you want to get all of the fuel out, you can attach a small tube to a large syringe and put it down into the lower part of the tank to retrieve the last of the fuel. Alternatively, you can remove the rear bolt and loosen the two front bolts, then tilt the tank forward to get the last of the fuel out.
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Disconnecting the fuel pump
First, locate the rubber skirt under your gas cap. Pull it up to expose the fuel lines. This is an important initial step as it gives you access to the fuel system. Be cautious and ensure you don't spill any fuel during this process.
Once you have accessed the fuel lines, you need to locate the fuel output line. This is the line through which you will drain the fuel. Pinch the blue tabs on the fuel output line to remove it. Now, you can attach a suitable hose to the output line. Make sure the hose is fuel-safe and long enough to reach your fuel container.
The next step is to locate the fuse for the fuel pump. This fuse controls the flow of electricity to the pump, and by removing it, you can stop the pump from operating during the draining process. Remove the fuse and keep it safe so that you can reinstall it once the tank is drained.
With the fuse removed, you can now activate the fuel pump to start draining the tank. There are a few different methods to do this. One way is to jump-start the battery by connecting the positive terminal of the battery to the fuel pump fuse. This will activate the pump, and it will start draining the fuel. Make sure you have your fuel container securely attached to the output hose to catch the draining fuel.
Another method to activate the pump is to use a jumper wire. Trim a small spade connector to fit into the fuse terminal, and then take a jumper wire from the fuse terminal to the positive battery terminal. This will turn on the pump as long as the jumper is connected. Ensure that your bike is on the side stand during this process.
It is important to run the pump several times to ensure that all the fuel is drained from the tank, including any residual fuel in the lines. The Harley Davidson fuel pump is quite efficient and will empty a full five-gallon tank quickly. However, remember to be cautious and not run the pump for too long without fuel, as it can cause damage to the pump.
Once the tank is drained, remember to reinstall the fuse for the fuel pump to return the bike to its original configuration.
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Locating the petcock
To locate the petcock on your 02 Heritage Harley, you'll need to begin by identifying the fuel lines. Start by pulling up the rubber skirt under the gas cap, which will expose the fuel lines. From here, you can locate the fuel outlet line. This is where you'll find the petcock.
The petcock is a valve, or a tap, that controls the flow of fuel. It is usually located at the bottom of the fuel tank and is used to shut off the fuel supply when necessary. On a Harley, the petcock is often found on the left side of the bike, near the bottom of the fuel tank.
On some models, the petcock may be vacuum-operated, so you'll need to be aware of this when locating and working on it. It is important to be cautious when working with the petcock, as you don't want fuel spilling everywhere.
To drain the fuel tank, you'll need to pull the gas line off of the petcock. You can then install a longer line and drain the gas into a suitable container. It is recommended to lean the bike to the right and prop it securely before performing this task.
Be sure to replace both the gas and vacuum lines after draining the fuel. It is also important to be cautious of the fuel inlet elbow on the carburettor, as you don't want to crack this component. Using Teflon tape on the threads of the tank can help prevent leaks and cracks.
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Using a hand pump
To drain the fuel tank on a 02 Heritage Harley, you can use a hand pump. This method is suitable if you don't want to remove the tank completely. Here is a step-by-step guide:
Firstly, locate the fuel petcock, which is usually on the left-hand side of the motorcycle, below the gas tank. Familiarize yourself with the three positions of the fuel petcock: On, Off, and Reserve. Ensure that the petcock is in the Off position to start.
Next, you will need to remove the fuel tank cap. This will release any built-up pressure in the tank and allow for a smoother fuel flow. Be cautious during this step, as the pressure release may cause a small amount of fuel to splash out.
Now, you can begin the fuel draining process using the hand pump. You can purchase a suitable hand pump from your local hardware store or auto store. Look for a plastic pump with a squeeze bulb on top. Attach the hand pump to the fuel line and ensure a snug fit to avoid any leaks.
Start pumping to create a siphon effect, and the fuel will begin to drain from the tank. Continue pumping until the tank is close to empty. If you want to get 100% of the fuel out, you may need to use a small tube attached to a large syringe to retrieve the remaining fuel from the lower part of the tank.
Once the tank is empty, close the fuel petcock securely and reconnect the fuel line. Double-check for any signs of leakage before refilling the tank with fresh fuel. Ensure you use the correct type of gasoline recommended by the manufacturer.
Finally, conduct a test run of your motorcycle to ensure it is running smoothly before your next ride.
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Removing the fuel tank
Preparation:
Before beginning, it is crucial to have a clear understanding of the fuel system and take the necessary safety precautions. Ensure you are in a well-ventilated area and have a suitable container, such as a gas can, to catch the drained fuel. It is also recommended to wear protective gear, such as gloves and eye protection, to shield yourself from any fuel spills or fumes.
Steps to Remove the Fuel Tank:
- Drain the Fuel: Start by draining the fuel from the tank. Locate the "Petcock," which is the shut-off valve usually found at the bottom of the tank. Turn it to the "reserve" position to ensure all fuel is removed. Attach a "fuel-safe" hose from the Petcock to the gas can to catch the drained fuel.
- Disconnect the Fuel Lines: Expose the fuel lines by pulling up the rubber skirt under the gas cap. Locate the fuel outlet line and pinch the blue tabs to remove it. You may need to disconnect other fuel lines or hoses connected to the tank, depending on your Harley's specific model. Be cautious, as fuel may still be present in these lines.
- Remove the Fuel Pump Fuse: Locate the fuse for the fuel pump and remove it. This will prevent the fuel pump from running during the tank removal process. Remember to reinstall this fuse after you have finished.
- Loosen Mounting Hardware: The fuel tank is typically secured to the motorcycle frame with bolts or other mounting hardware. Loosen and remove these fasteners carefully, ensuring that the fuel tank is supported and does not fall when the last bolt is removed.
- Lift and Remove the Fuel Tank: Carefully lift the fuel tank straight up and out of the motorcycle frame. Depending on the model, there may be additional hoses or connections attached to the tank, so be cautious and disconnect them as needed. Place the fuel tank in a safe, well-ventilated area.
It is important to note that the above steps provide a general guide, and the specific process may vary slightly depending on the exact model of your 02 Heritage Harley. Always refer to the official Harley-Davidson service manual or seek advice from a qualified mechanic if you are unsure about any steps or procedures.
Additionally, remember to properly dispose of the drained fuel and any contaminated materials, such as rags or paper towels, used during the process.
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Frequently asked questions
There are a few ways to drain the fuel tank on your 02 Heritage Harley. One way is to use a "shut-off" valve on the bottom of the tank called a "Petcock". After turning this off, attach a "fuel-safe" hose from the petcock to drain directly into a gas can.
The best way to drain a fuel tank is to use a siphon hose, which will get most, if not all, of the fuel out.
The Fuel Tool is a piece of hose that costs around $100.
To prevent getting fuel everywhere, use a "fuel-safe" hose and turn the petcock to reserve to make sure you remove all of the fuel. You can also use a hand pump to start a siphon effect and drain most of the tank.
