The Honda Silverwing is a popular maxi-scooter that has been in production since 2001. It is known for its comfortable ride, ample storage space, and powerful engine. However, like all vehicles, the Silverwing requires occasional maintenance, and one of the most common tasks is replacing the fuel pump. While this may seem like a daunting task, it is actually quite simple and can be completed in a few hours with the right tools and a little bit of know-how.
The first step is to remove the seat and the side panels. This will give you access to the fuel tank and the fuel pump. Once you have access to the fuel pump, you will need to disconnect the fuel lines and the electrical connector. Once the fuel pump is disconnected, you can remove it from the fuel tank. Be careful not to damage the fuel pump or the fuel tank when removing it.
Once you have removed the fuel pump, you can inspect it for damage. If the fuel pump is damaged, it will need to be replaced. If the fuel pump is not damaged, you can clean it and reinstall it. To clean the fuel pump, you can use a carburetor cleaner or a mild detergent. Once the fuel pump is clean, you can reinstall it in the fuel tank. Be sure to connect the fuel lines and the electrical connector before reinstalling the fuel pump. Once the fuel pump is reinstalled, you can replace the side panels and the seat.
Identifying the Location of the Fuel Pump
The fuel pump in a Honda Silverwing is located beneath the fuel tank, making it accessible for inspection and replacement. Here are detailed steps on how to identify the location:
- Remove the Seat: Locate the seat release lever under the front of the seat and pull it up to release the seat. Lift the seat and set it aside.
- Locate the Fuel Tank: The fuel tank is the large, silver component positioned above the engine. It has a fuel line and wiring harness connected to it.
- Disconnect Fuel Line and Wiring: Carefully disconnect the fuel line and electrical wiring from the fuel tank.
Use a wrench to loosen the fuel line nut and pull the fuel line off the tank. For the electrical wiring, locate the connector and press the release tab to disconnect it. - Remove the Fuel Tank: Grip the fuel tank on both sides and lift it straight up. Be careful not to spill any fuel during this process.
- Locate the Fuel Pump: Once the fuel tank is removed, you will see the fuel pump assembly on the bottom of the fuel tank. It is typically a cylindrical or square-shaped component with fuel lines and electrical connectors attached to it.
| Item | Description |
|---|---|
| Fuel Tank | The large, silver component located above the engine |
| Fuel Pump | The cylindrical or square-shaped component located on the bottom of the fuel tank |
| Fuel Line | The hose that connects the fuel pump to the fuel tank |
| Electrical Wiring | The wires that connect the fuel pump to the electrical system |
Preparing the Motorcycle for Maintenance
Safety Precautions
Before beginning any maintenance, ensure your safety by wearing proper protective gear and working in a well-ventilated area. Allow the engine to cool completely to prevent burns.
Tools and Materials Required
- Socket wrench set
- Screwdriver set
- Funnel
- Drain pan
Detailed Instructions for Removing the Fuel Pump
To access the fuel pump, follow these steps:
1. Disconnect the Battery
Locate the battery and disconnect the negative terminal to prevent electrical hazards.
2. Remove the Fuel Tank
Unscrew the fuel tank mounting bolts and carefully lift the tank off the motorcycle. Support the tank with a stand or place heavy objects around it to prevent tipping. Use this opportunity to inspect the fuel lines and connections for any damage or leaks.
| Fuel Tank Mounting Bolt Location | Bolt Removal Technique |
|---|---|
| Underneath the tank, near the seat | Use a socket wrench to loosen the bolts |
| Beside the fuel cap | Use a screwdriver to remove the bolts |
3. Locate the Fuel Pump
With the fuel tank removed, you will see the fuel pump assembly mounted on the left side of the engine. It is typically covered by a protective cover or housing.
Disassembly of the Rear Fairings
1. Start by removing the rearmost seat section. This is usually held in place by a couple of bolts, which can be loosened with a socket wrench. Once the bolts are removed, lift the seat section off and set it aside.
2. Now, remove the rear side fairings. These are typically held in place by a combination of bolts and clips. First, remove the bolts that are visible along the top and sides of the fairings. Then, carefully pry the fairings away from the bike, starting at the bottom and working your way up. Be careful not to damage the fairings or the clips that hold them in place.
3. Removing the Fuel Pump Cover
3. Once the side fairings are removed, you will see the fuel pump cover. This is a black plastic cover that is located on the left side of the bike, just below the fuel tank. To remove the cover, you will need to remove the four bolts that hold it in place. These bolts are located on the top and bottom of the cover.
Once the bolts are removed, carefully lift the cover off and set it aside. You will now have access to the fuel pump.
| Bolt Size | Location |
|---|---|
| 8mm | Top of cover |
| 10mm | Bottom of cover |
Removal of the Airbox and Throttle Bodies
**1. Disconnect the battery.** This is always the first step when working on any electrical component on your motorcycle. Locate the negative battery terminal and loosen the nut that secures the cable. Remove the cable from the terminal.
**2. Remove the seat.** The seat is held in place by two bolts at the rear of the seat. Loosen the bolts and lift the seat off of the motorcycle.
**3. Remove the airbox cover.** The airbox cover is located at the front of the airbox. It is held in place by four bolts. Remove the bolts and lift the cover off of the airbox.
**4. Remove the airbox.** The airbox is held in place by four bolts. Remove the bolts and lift the airbox out of the motorcycle. You may need to disconnect the air intake hose from the airbox in order to remove it.
a. Disconnect the throttle cables from the throttle bodies.
b. Remove the bolts that secure the throttle bodies to the intake manifold.
c. Carefully lift the throttle bodies off of the intake manifold. Be careful not to damage the throttle position sensor or the injector.
**5. Remove the throttle bodies.** The throttle bodies are held in place by four bolts. Remove the bolts and lift the throttle bodies off of the intake manifold.
Disconnecting the Fuel Lines
Once the fuel tank is removed, you will need to disconnect the fuel lines from the fuel pump. There are two fuel lines connected to the fuel pump: the supply line and the return line. The supply line is the larger of the two lines and is connected to the top of the fuel pump. The return line is the smaller of the two lines and is connected to the bottom of the fuel pump.
To disconnect the fuel lines, use a pair of pliers to squeeze the release tabs on the fuel line connectors. Once the release tabs are squeezed, pull the fuel line connectors off of the fuel pump. Be careful not to damage the fuel lines or the fuel pump when disconnecting the fuel lines.
Once the fuel lines are disconnected, you can remove the fuel pump from the motorcycle.
Relieving Fuel Pressure
Before disconnecting the fuel lines, it is important to relieve the fuel pressure in the fuel system. To do this, start the engine and let it idle for a few minutes. Then, turn off the engine and disconnect the negative battery terminal.
Safety Precautions
When working on the fuel system, it is important to take the following safety precautions:
- Work in a well-ventilated area.
- Wear eye protection and gloves.
- Do not smoke or work near open flames.
- Have a fire extinguisher nearby.
Parts Identification
The following table identifies the parts of the fuel pump and fuel lines:
| Part | Description |
|---|---|
| Fuel pump | The fuel pump is a small, electric pump that supplies fuel to the engine. |
| Supply line | The supply line is the larger of the two fuel lines and is connected to the top of the fuel pump. |
| Return line | The return line is the smaller of the two fuel lines and is connected to the bottom of the fuel pump. |
Detaching the Fuel Tank
To access the fuel pump, you must first detach the fuel tank. Follow these steps:
- Disconnect the fuel line from the tank. You may need a pair of pliers to loosen the hose clamp.
- Locate the fuel tank bolts, typically located on the sides and front of the tank.
- Remove the fuel tank bolts using a socket wrench.
- Carefully lift the fuel tank up and away from the motorcycle.
- Set the fuel tank aside in a safe place.
- Disconnect the electrical connectors from the fuel pump. There may be multiple connectors, so be sure to disconnect them all.
Removing the Fuel Pump
- Locate the fuel pump mounting bolts, typically located on the bottom of the fuel pump.
- Remove the fuel pump mounting bolts using a socket wrench.
- Gently pull the fuel pump out of the tank.
- Inspect the fuel pump for any damage or debris.
- If necessary, replace the fuel pump with a new one.
- Reinstall the fuel pump in the reverse order of removal.
Once you have replaced or inspected the fuel pump, you can reattach the fuel tank by following the steps in reverse order.
Inspecting the Fuel Pump Location
Locating the fuel pump on a Honda Silverwing requires a thorough inspection of the fuel system. Here’s a detailed guide on how to proceed:
1. Safety Precautions
Before commencing any work, ensure the vehicle is parked on a stable surface and the engine is turned off.
2. Locate the Fuel Tank
Identify the fuel tank, which is typically situated under the rider’s seat. Remove any panels or bolts that secure it to access the fuel pump.
3. Disconnect the Fuel Lines
Locate and disconnect the fuel lines connected to the fuel pump. Use caution as fuel may spill.
4. Remove the Fuel Pump Assembly
Unscrew the bolts or clips holding the fuel pump assembly in place. Carefully lift the assembly out of the fuel tank.
5. Inspect the Fuel Pump
Examine the fuel pump for any visible damage or corrosion. Verify its electrical connections and ensure they are secure.
6. Test the Fuel Pump
If possible, connect the fuel pump to a power source and test its functionality by listening for a humming sound or observing fuel flow.
7. Check the Fuel Filter (Optional)
Many Honda Silverwing models have an inline fuel filter located near the fuel pump. Inspect the filter for clogs or debris and replace it if necessary.
| Fuel Filter Inspection Steps: |
|---|
| – Disconnect the fuel filter from the fuel lines. |
| – Check for dirt or particles inside the filter. |
| – Use compressed air or a fuel injector cleaner to clean the filter. |
| – If the filter is clogged or damaged, replace it with a new one. |
Reconnecting Components
After replacing the fuel pump, it’s time to reconnect the various components you disconnected earlier. Start by reattaching the fuel pump to the fuel tank. Use the bolts you removed earlier to secure it in place. Once the fuel pump is in place, reconnect the fuel lines. Make sure the lines are securely attached and there are no leaks. Next, reconnect the electrical connectors to the fuel pump. Finally, reattach the seat and any other components you removed during the process.
8. Reattaching the Fuel Tank
When reattaching the fuel tank, be sure to use a new gasket to ensure a proper seal. Start by aligning the tank over the frame and then carefully lower it into place. Once the tank is in place, secure it with the bolts you removed earlier. Next, reconnect the fuel lines and electrical connectors to the tank. Finally, reattach the seat and any other components you removed during the process.
Additional Tips
Here are some additional tips for replacing the fuel pump:
- Use a clean work area to avoid contaminating the new fuel pump.
- Take your time and follow the instructions carefully.
- If you’re not comfortable working on your vehicle, don’t hesitate to take it to a qualified mechanic.
Testing the Fuel Pump Operation
To test the fuel pump operation, you will need a multimeter and a jumper wire.
- Disconnect the negative battery terminal.
- Locate the fuel pump relay.
- Remove the fuel pump relay from its socket.
- Connect one end of the jumper wire to the positive terminal of the battery.
- Connect the other end of the jumper wire to the terminal on the fuel pump relay that is connected to the fuel pump.
- Turn the ignition key to the “on” position.
- Listen for the fuel pump to run.
- If the fuel pump does not run, check the fuse for the fuel pump.
- If the fuse is good, replace the fuel pump.
Additional Troubleshooting Tips
| Symptom | Possible Cause | Solution |
|---|---|---|
| Engine starts and runs for a few seconds, then dies | Fuel pump is not delivering enough fuel | Replace the fuel pump |
| Engine starts and runs, but hesitates or stalls under load | Fuel pump is not delivering enough fuel | Replace the fuel pump |
| Engine does not start | Fuel pump is not delivering any fuel | Check the fuel pump fuse. If the fuse is good, replace the fuel pump |
Honda Silverwing: Accessing the Fuel Pump Without Removal
Accessing the fuel pump on a Honda Silverwing requires some mechanical knowledge and the right tools.
To begin, locate the fuel tank release lever and lift the tank to expose the fuel lines and electrical connectors. Disconnect these components carefully.
Next, identify the fuel filter, which is located near the bottom of the fuel tank. Disconnect the fuel lines from the filter and remove the filter assembly.
With the fuel filter removed, you will have access to the fuel pump. The pump is held in place by a series of bolts or screws. Carefully remove these fasteners and lift the fuel pump out of the tank.
When replacing the fuel pump, be sure to use a new gasket or O-ring to ensure a proper seal. Tighten the bolts or screws securely and reconnect the fuel lines and electrical connectors.
Finally, lower the fuel tank back into place and reconnect the fuel tank release lever.
People Also Ask
How difficult is it to change the fuel pump on a Honda Silverwing?
The difficulty of changing the fuel pump on a Honda Silverwing depends on your mechanical skills and experience. If you are not comfortable working on your own motorcycle, it is best to leave it to a professional mechanic.
What tools do I need to change the fuel pump on a Honda Silverwing?
You will need a set of screwdrivers, a wrench, and a pair of pliers to change the fuel pump on a Honda Silverwing. You may also need a fuel filter wrench to remove the fuel filter.
Can I use any fuel pump for my Honda Silverwing?
No, you should only use a fuel pump that is specifically designed for your particular model of Honda Silverwing. Using the wrong fuel pump can damage your motorcycle.
