Mercedes Mullins
The Honda VTX 1300 is a powerful motorcycle that is perfect for long trips and adventures. However, one common modification that owners consider is adding an auxiliary fuel tank to extend the bike's range and reduce the need for frequent fuel stops. This is especially useful for those embarking on adventures that require a 250+ mile fuel range or participating in rallies that require any extra fuel cell to be mounted. This paragraph will discuss the process of connecting an auxiliary fuel tank to the Honda VTX 1300, including the required equipment and the steps to ensure a safe and secure installation.
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What You'll Learn
Using a three-way valve to connect the main tank to the auxiliary tank
The three-way valve method is a popular choice for connecting an auxiliary fuel tank to the main tank on a Honda VTX 1300 motorcycle. This setup can provide peace of mind when embarking on long trips through remote areas, reducing the number of fuel stops required.
The three-way valve is connected to the main tank vent tube, allowing the rider to control the flow of fuel between the two tanks. With this setup, the valve can be set to either connect the main tank to the vent or the main tank to the auxiliary tank. To transfer fuel, the rider switches the valve to the main-tank-to-aux-tank position and activates an auxiliary fuel pump to push fuel from the auxiliary tank into the main tank through the vent tube. Once the auxiliary tank is empty, the rider simply turns off the auxiliary fuel pump and switches the three-way valve back to the main-tank-to-vent position, allowing any remaining fuel in the vent tube to drain out.
This method eliminates the concern of air being pulled into the system and prevents fuel from flowing between the tanks when the valve is set to the main-tank-to-vent position. It is important to note that the height difference between the main and auxiliary tanks should be considered, as fuel will siphon from the highest to the lowest tank when both are vented.
Some riders may opt to install an electric lock-off valve and timer on their auxiliary tank, allowing for automatic fuel transfer with the push of a button. This setup can be particularly useful if the auxiliary tank is larger than the main tank, as the timer prevents overfilling.
Overall, the three-way valve method offers a versatile and effective solution for connecting an auxiliary fuel tank to a Honda VTX 1300, providing riders with extended range and peace of mind during long-distance travels.
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Using an electric lock-off valve and timer to automate fuel transfer
The Honda VTX 1300 motorcycle can be fitted with an auxiliary fuel tank to extend its touring range. This setup can be automated using an electric lock-off valve and a timer, allowing for a seamless fuel transfer experience. Here's a step-by-step guide on how to achieve this:
Step 1: Understanding the Auxiliary Fuel Tank Setup
The auxiliary fuel tank setup for the Honda VTX 1300 typically includes a mounting plate, tank, brackets, petcock, filter, hoses, and other necessary components. It is designed to be attached to the existing rear rack of the motorcycle without causing any damage or modifications. This setup allows for quick refuelling and reduces the number of fuel stops required during long trips.
Step 2: Installing an Electric Lock-Off Valve
An electric lock-off valve, such as the Advanced Fuel Components Gasoline Fuel Lock-Off Valve, can be installed in the fuel line between the auxiliary and main tanks. This valve will prevent fuel flow between the tanks when activated, ensuring that fuel is transferred only when needed. The electric lock-off valve is operated using a toggle switch, providing convenient control over the fuel transfer process.
Step 3: Adding a Timer for Automation
To automate the fuel transfer process, a timer can be connected to the electric lock-off valve. Both analog and digital timers are compatible with electrically actuated ball valves. The timer allows you to set specific intervals for the valve to open and close, controlling the duration of fuel transfer. This automation eliminates the need for manual intervention during the refuelling process.
Step 4: Setting Up the Timer
The timer can be programmed to control the duration of the fuel transfer. You can set the 'ON' time, which determines how long the valve remains open, and the 'OFF' time, which controls the idle period. Both analog and digital timers have knobs or buttons to adjust these settings. Digital timers offer more precise control, allowing you to set the duration in hours, minutes, and seconds.
Step 5: Testing and Fine-Tuning
Once the electric lock-off valve and timer are installed, it is important to test the setup thoroughly. Follow the testing procedures provided by the timer manufacturer to ensure proper operation. Fine-tune the 'ON' and 'OFF' periods as needed to achieve the desired fuel transfer rate and prevent overfilling. Always refer to safety guidelines and exercise caution when working with the fuel system.
By following these steps and carefully installing the electric lock-off valve and timer, you can automate the fuel transfer process on your Honda VTX 1300 with an auxiliary fuel tank. This setup will provide a seamless and efficient refuelling experience during your long-distance adventures.
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Using a fuel pump to push fuel from the auxiliary tank to the main tank
Using an auxiliary fuel tank can help extend your touring range and is an excellent idea for very long trips in remote areas.
If you have an extra fuel pump, you can install it with an electric lock-off valve and timer to automatically transfer fuel from the auxiliary tank to the main tank. This will be especially useful if you have a larger auxiliary tank, as the timer will prevent the fuel transfer pump from running too long and overfilling the main tank.
- Mount the auxiliary tank: Ensure the auxiliary tank is securely mounted according to the manufacturer's instructions and any applicable regulations.
- Connect the fuel pump: Install the fuel pump near the auxiliary tank, following the manufacturer's instructions. Connect the fuel pump to the auxiliary tank using fuel-grade hoses.
- Install a three-way valve: Install a three-way valve near the main tank. Connect one port of the valve to the vent tube of the main tank, another port to the auxiliary tank, and leave the third port open for venting.
- Transfer fuel: When you want to transfer fuel, activate the fuel pump and switch the three-way valve to connect the main tank to the auxiliary tank. This will create suction and allow fuel to flow from the auxiliary tank to the main tank through the vent tube.
- Monitor the fuel transfer: Keep an eye on the fuel level in the auxiliary tank to avoid overfilling the main tank. You can also consider installing a timer to automatically shut off the fuel pump after a set period.
- Venting and overflow: Once the auxiliary tank is empty, switch the three-way valve back to the main-tank-to-vent position and turn off the fuel pump. Any remaining fuel in the vent tube will drain back into the main tank.
- Safety considerations: Always exercise caution when working with the fuel system. Ensure all connections are secure and properly sealed to prevent leaks.
Remember to follow the specific instructions provided by the manufacturer of your auxiliary fuel tank and fuel pump for the best results and to ensure safety.
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Filling up the auxiliary tank and main tank
Filling up the auxiliary tank and the main tank of a Honda VTX 1300 motorcycle requires careful consideration of the fuel system and the use of appropriate equipment. Here is a step-by-step guide on how to fill up the auxiliary and main tanks:
- Mounting the Auxiliary Tank: The first step is to securely mount the auxiliary tank to the motorcycle. This can be done using a mounting plate that attaches to the existing rear rack without causing any damage. Ensure that the fuel lines from the auxiliary tank are below the main tank to prevent fuel from siphoning between the tanks due to fuel elevation differences.
- Filling the Tanks: Fill both the main and auxiliary tanks with fuel. It is important to ensure that the fuel levels in both tanks are equal to prevent fuel from flowing between them.
- Using the Petcock: Shut off the petcock to the main tank. This will prevent fuel from flowing from the main tank to the auxiliary tank.
- Running on Auxiliary Tank: Once the petcock to the main tank is shut off, completely run the auxiliary tank until it is empty. This can be monitored by observing the fuel gauge or waiting for the engine to sputter, indicating a near-empty tank.
- Switching to Main Tank: When the auxiliary tank is empty, turn on the petcock for the main tank. This will allow fuel to flow from the main tank to the engine. Run the main tank until it reaches the reserve level or until it starts to sputter.
- Refilling at a Gas Station: When the main tank reaches the reserve level or starts to sputter, it's time to refuel. Turn off the main petcock, and then fill up the auxiliary tank first, watching the pump to reach the desired fuel level (typically around 1.6 gallons for a Tour Tank). After filling the auxiliary tank, fill the main tank as usual.
- Fuel Transfer with a Fuel Pump: If you have a fuel pump installed, you can use it to transfer fuel from the auxiliary tank to the main tank. Connect a three-way valve to the main tank's vent tube, allowing you to control the fuel flow between the tanks. Turn the valve to the "main-tank-to-aux-tank" position and activate the fuel pump to push fuel from the auxiliary tank to the main tank. Once the auxiliary tank is empty, turn off the fuel pump and switch the three-way valve back to the "main-tank-to-vent" position.
- Automatic Fuel Transfer: If you have an electric lock-off valve and timer installed, you can automate the fuel transfer process. With the push of a button, the fuel transfer can run automatically for a set time (around four minutes) to refill the main tank from the auxiliary tank. This is especially useful if you have a larger auxiliary tank, as the timer prevents overfilling.
- Fuel Transfer with a Reserve Tank: If you have a reserve tank mounted higher than the main tank, you can use a non-vacuum petcock to control the fuel flow. When the fuel light comes on, turn on the petcock to replenish the main tank from the reserve tank. Be careful not to turn it on before the light comes on, as it may cause overfilling.
Remember to always exercise caution when dealing with the fuel system. Each setup may vary slightly, so it is important to understand your specific configuration and make adjustments as needed.
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Running the hose to the auxiliary tank
Planning the Hose Route:
Before beginning the installation, it's essential to plan the route the hose will take from the auxiliary tank to the main fuel system. The hose should be hidden and secured to avoid any potential damage or tangling. Additionally, ensure that the hose is long enough to reach the necessary components without being too long, which could cause unnecessary fuel line length.
Disconnecting the Main Fuel Tank:
To connect the auxiliary tank, you will first need to disconnect the fuel line from the main tank. This process can vary depending on your motorcycle's specific model, but it typically involves removing the fuel tank cap and disconnecting the fuel line. Make sure to have a reservoir ready to catch any fuel that may spill during this step.
Connecting the Hose to the Main Fuel Line:
Once the main fuel tank is disconnected, you can now attach the hose to the main fuel line. Ensure that the hose is securely connected and clamped to prevent any leaks. This step is crucial, as it establishes the connection between the auxiliary tank and the engine, ensuring a consistent fuel supply.
Now, carefully run the hose from the main fuel line to the auxiliary tank. Secure the hose along the planned route to avoid any potential damage or interference with other motorcycle components. Ensure that the hose is not stretched too tightly and that it has some flexibility to accommodate vibrations and movements during rides.
Connecting the Hose to the Auxiliary Tank:
Finally, connect the other end of the hose to the auxiliary tank. Again, ensure that the connection is secure and clamped to prevent fuel leaks. The auxiliary tank should have a designated port or valve specifically for this purpose. Make sure that the hose is compatible with the fuel type and that all connections are tight and sealed.
Additional Considerations:
- Fuel Elevation: As mentioned by one user, if one tank's fuel level is higher than the other, gas will siphon between them. This is a crucial consideration when setting up the auxiliary tank and hose. Ensure that the hose connection and valve can control fuel flow and prevent unwanted siphoning.
- Valve Usage: Some riders use a three-way valve to control fuel flow between the main and auxiliary tanks. This valve can be connected to the main tank vent tube, allowing fuel transfer with the help of an auxiliary fuel pump.
- Safety: Always exercise extreme caution when dealing with the fuel system. Ensure that there are no leaks at the connections, and avoid any open flames or smoking during the installation process.
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Frequently asked questions
An auxiliary fuel tank can extend your touring range, which is ideal for long trips in remote areas. It can also reduce the number of fuel stops by half, giving you more drive time.
If one tank's fuel level is higher, gas will siphon from the highest to the lowest tank. As both tanks are vented, the lower tank will overflow out of the vent tube. To avoid this, you can install an electric lock-off valve and timer to control the fuel transfer.
First, disconnect the fuel line and then immediately connect another hose from the tank to an auxiliary fuel tank. Ensure no one is smoking nearby as fuel will pour out. Then, lift the tank to disconnect the fuel level sensor, vent lines, and drain hose.
To drain the main tank, you can use a vacuum pump on the vacuum inlet to open the fuel tap. Alternatively, you can siphon the fuel out with a hose from the fuel tank fill.
A setup kit will include the tank, mounting brackets, petcock, filter, dripless quick disconnect, 90-degree brass outlet, brass T for the main line, hose, and a large mounting plate.
