Ameer Randolph
If you're looking to fix an in-tank white plastic fuel line, you've come to the right place. This is a common problem, especially when removing the fuel tank, and there are a few methods you can try. One quick fix is to reinforce the broken plastic fuel line with tubing on the inside and glue it together. You can also try cutting the broken surfaces to make them even and then using fuel hoses and clamps to create a more durable connection. If you have a hole in your plastic fuel tank, you might consider welding a patch over it, either with a plastic welder or using a soldering iron and glue. Let's dive in and explore these methods in more detail.
How to fix an in-tank white plastic fuel line
| Characteristics | Values |
|---|---|
| Step 1 | Cut the broken surfaces to make them even and prevent hose damage |
| Step 2 | Use two fuel hoses, one internal and one external, and some tie-ups |
| Step 3 | Cut the stock plastic connector and cut the line back |
| Step 4 | Soak the end of the line in hot water and use a flaring tool line holder to hold it |
| Step 5 | Put some oil on the barbed fitting and attach clamps |
| Step 6 | Put the clamps on the new line and soak the end in hot water |
| Step 7 | Oil the fitting and attach it to the line |
| Step 8 | Use a pencil-type soldering iron to weld the glued parts |
| Step 9 | Let the glue set for at least 30 minutes before touching it |
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What You'll Learn
Using a plastic welder to fix the line
Fixing an in-tank white plastic fuel line with a plastic welder is a good option as it is a strong and long-lasting fix. It is also a relatively cheap and easy process.
Firstly, you will need to purchase a plastic welder. Polyvance's ATV PRO welder kit is a good option as it is designed for repairing plastic and does not require any special skills to operate. You can also purchase a cheaper welder from Amazon, but these may be poorly made and not last for multiple uses. You will also need to buy the appropriate plastic welding rods. Ensure that you are using the right type of welding rod for the plastic you are repairing, as different plastics will not meld together. For example, if your fuel tank is made of polyethylene, you will need to use polyethylene rods.
Before beginning the repair, you should drill small holes at each end of the crack to prevent it from spreading. Then, use the plastic welder to heat up the crack and the holes. This will melt the plastic and create an initial seal. You can then add some material by feeding the plastic rod through the hole in the welder, which will melt it and allow you to fill in the crack.
After the repair, you should let the welded area cool and then inspect it to ensure that the weld is strong and that there are no leaks.
In addition to plastic welding, there are other methods to fix a broken plastic fuel line. One method is to reinforce the broken area with tubing and glue. You can also use fuel hoses and clamps to repair the line, but this may not work if the break is near a bend in the line.
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Gluing the line with hot glue
Gluing plastic can be challenging as different types of plastics require different types of glue. For instance, bonding polyethylene (PE) and polypropylene (PP) can be difficult unless you use a plastic adhesive specifically designed for these materials.
Hot melt glue is a versatile option that works with several types of plastic and can be used to repair various plastic objects. It is also useful if you want to avoid drilling or nailing and potentially damaging surfaces. However, some plastics, such as polyethylene (PE) and polypropylene (PP), have slippery surfaces that can make it challenging to achieve a long-lasting bond with hot melt glue. Therefore, it is recommended to test the glue on the materials beforehand to assess the durability of the bond.
If you are gluing smaller objects, opt for a short glue stick, while a long glue stick is more suitable for larger or multiple objects. Infinity SuperTAC 500 Plastic Bonding Glue Sticks are a great option for hot melt glue, offering quality heat resistance and strong bonding abilities to a wide range of plastics, including PP, PE, PET, and PV.
When repairing a broken plastic fuel line, you can reinforce it by placing tubing inside the line as you glue it together. After gluing, let the connection set for at least half an hour before touching it, and a couple of hours before using it, depending on the type of glue used. Once the glue has set, reconnect everything to the gas tank, ensuring it is not bolted down yet. As the fuel pump primes itself, you may need to make several attempts to start the bike. Once the bike is running, carefully raise the gas tank to inspect the repair.
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Reinforcing with tubing and glue
If you're looking to reinforce your white plastic fuel line with tubing and glue, there are a few methods you can try. Here's a detailed, step-by-step guide to help you get started:
First, you'll need to assess the damage and cut the broken surfaces to make them even and prevent any further damage to the hose. It's important to ensure that you have a nice, clean surface to work with. You can use a tubing cutter to make a square cut; this is important because an oval cut will not work with a compression connector.
Next, you'll want to insert the tubing. For this method, copper tubing is recommended as it won't react with the fuel. You'll need to drill the broken piece with incrementally larger drill bits, eventually working up to a 1/4" bit. Be very careful not to drill too far, or you'll pierce the 90-degree fitting. Test the copper tubing for size, it should be a tight fit with slightly less resistance than before due to the reduced plastic. Ensure there are no plastic filings that could fall into the tank or cause a poor seal.
Now, you're ready to start gluing. Use masking tape to cover the part of the tubing about an inch past the crack, this will protect the tubing from accidental epoxy application. You can use Loctite epoxy or a similar product, just be sure to check that it's safe for use on fuel lines. Spread the epoxy onto a piece of cardboard and roll the copper tubing through it, covering the exterior. Be careful not to use too much epoxy. Slide the copper tubing into the broken piece, and then slide the broken piece with the tubing into the gas tank side. There should be a small amount of epoxy squeezed through the crack.
Finally, let the glue set. Depending on the type of glue you use, you may need to wait a couple of hours. Once the glue is dry, connect everything to the gas tank but don't bolt it down just yet. Start the bike and carefully raise the gas tank so you can inspect the repair as the bike is running. Check for leaks and, if everything looks good, you're ready to ride!
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Using a fuel hose and clamps
If you are fixing an in-tank white plastic fuel line, you will need to use a hose that is suitable for the application. In this case, a fuel injection-rated hose is required to handle the pressure of the fuel injection system. Regular fuel hose is not suitable for this purpose.
The first step is to cut the broken surfaces of the existing fuel line to make them even and prevent any damage to the new hose. You will then need to cut the new fuel hose to the required length, ensuring that it is long enough to cover the broken section of the existing fuel line with some overlap.
Next, you will need to connect the new fuel hose to the existing fuel line. Slip the new hose over the existing pipe, ensuring that it is pushed on as far as possible for a secure connection. At this point, you can secure the new hose with clamps. It is recommended to use two fuel injection clamps for this purpose, as they will not cut into the rubber hose like worm gear clamps. Make sure the clamps are tight enough to prevent leaks.
Finally, inspect your work for any leaks before bolting the fuel tank back into place.
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Trimming the broken surfaces
First, it is important to have the right tools for the job. You will need a tubing cutter or a similar tool to make a clean, straight cut. A mini pipe cutter or a utility knife can also be used to trim the broken edges carefully. It is crucial to ensure that the cut is square and straight, as an oval or uneven cut can cause issues with fitting the new connectors and may lead to leaks.
Next, trim the broken surfaces of the fuel line to create an even edge. Take your time and work carefully to avoid further damaging the fuel line. The goal is to create a smooth and level surface that will facilitate a strong and leak-proof connection.
After trimming, it is essential to clean the area. Remove any debris, burrs, or sharp edges that could compromise the integrity of the repair. Use a knife or a similar tool to bevel the edge slightly, creating a small angle that will help with the fitting of the new connectors. This step will ensure that the new connectors sit properly and securely.
Once the trimming and cleaning are complete, you may want to consider reinforcing the fuel line. This can be done by inserting a steel or copper tube inside the plastic fuel line. Ensure that the tube fits snugly and does not reduce the inside diameter of the fuel line. The reinforcement will add strength and help prevent future leaks.
Finally, it is crucial to follow safety precautions during this process. Wear protective gear, such as rubber gloves and eye protection, to safeguard against sharp edges and debris. Additionally, be cautious of fuel leaks and follow proper procedures for handling flammable liquids. Always refer to a professional mechanic or a trusted repair guide for detailed instructions on repairing fuel lines.
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Frequently asked questions
You can fix a hole in your plastic fuel tank by using a plastic welder to weld a patch over the hole. You can also use a pencil-type soldering iron to weld the hole by scraping the glue and mixing it with the parent material until it blends in.
A quick fix for a broken plastic fuel line is to use two fuel hoses, one internal and one external, along with zip ties to reinforce the broken section. You can also use tubing on the inside of the plastic fuel line to reinforce it as it's being glued together.
A more permanent fix involves cutting the broken surfaces to make them even, then gluing the pieces together and letting them set for at least 30 minutes before reconnecting the fuel line to the gas tank.
You will need the following parts:
- 3/8 plastic connectors
- 25 ft of 3/8 nylon fuel hose
- 3/8 barbed to 3/8 barbed fittings
- 3/8 fuel injection clamps
- Lisle 37500 tool for disconnecting metal fuel lines
- Coupler for adapting metal to nylon
