Repairing Guides

how to repair motorcycle gas tank

by Abelardo Prosacco PhD Published 3 years ago Updated 2 years ago
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How to Repair a Leaky Motorcycle Fuel Tank.

  • Step 1 - Drain the Fuel Tank. In order to repair a leaky motorcycle fuel tank it first has to be drained. Make sure you drain the fuel into a gasoline ...
  • Step 2 - Remove the Fuel Tank.
  • Step 3 - Prepare the Tank for Repair.
  • Step 4 - Seal the Tank.

Part of a video titled DENTED MOTORCYCLE GAS TANK REPAIRED ... - YouTube
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Because anytime you roll a piece of metal it adds a lot of tension to it so it's harder toMoreBecause anytime you roll a piece of metal it adds a lot of tension to it so it's harder to manipulate. And you can see we've got a tool in there just kind of pushing this dent out.

Full Answer

How to replace a motorcycle gas tank?

What You'll Need:

  • Fire extinguisher!
  • New fuel tank
  • Fuel line
  • Hose clamps
  • Proper gas storage container
  • Floor jack
  • Wrenches, sockets, normal hand tools

How to clean rust out of my motorcycle gas tank?

  • Inspect the gas tank
  • Evaluate damage
  • Get cleaning supplies
  • Empty and remove the tank
  • Seal holes
  • Add acid and abrasives
  • Shake
  • Empty, wash and dry the tank

How to clean varnish out of a motorcycle gas tank?

How to Remove Cycle Tank Gas Varnish

  1. Drain fuel from the tank and lines into a suitable container, such as a gas can.
  2. Remove the gas tank and, if applicable, any filter or fuel-sending unit inside the tank. ...
  3. Plug up the hose or valve where the fuel exits the tank. ...
  4. Following the instructions on the bottle, pour the fuel cleaner, acetone or lacquer thinner into the tank.

More items...

How to fix a hole in a motorcycle gas tank?

Motorcycle gas tanks will degrade over years of use due to weather, water left to sit in the tank or poor maintenance. Pin holes made by rust can be temporarily repaired with an epoxy, but larger holes, from punctures or deep rust, should be repaired by a professional or replaced with a new tank.

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How do you fix a hole in a motorcycle gas tank?

0:223:14How To Solder Holes In Motorcycle Gas Tanks (2019) - YouTubeYouTubeStart of suggested clipEnd of suggested clipLike I said you'll need a strong soldering iron some flux of some kind I prefer the liquid kind butMoreLike I said you'll need a strong soldering iron some flux of some kind I prefer the liquid kind but this paste is all I had on hand and of course you'll need some solder.

Can a hole in gas tank be repaired?

Unless the gas tank has already been removed from the vehicle, you can't repair it without getting underneath it. Most leaks are visible from the underside and can easily be patched up.

Can you Bondo a motorcycle gas tank?

6:347:23How To Repair A Motorcycle Gas Tank Dent Or Ding With BondoYouTubeStart of suggested clipEnd of suggested clipJust right it's really hard a lot of people would just live with the dent in their tank. But it'sMoreJust right it's really hard a lot of people would just live with the dent in their tank. But it's not difficult to fix you might as well just pick up that bondo.

Will JB Weld work on a motorcycle gas tank?

0:106:02JB WELD On Hole In Gas Tank! Does JB Weld Work? - YouTubeYouTubeStart of suggested clipEnd of suggested clipIn this one I'm gonna be fixing my 90 CC chainsaw pocket bikes horrible gas tank with some jb weldMoreIn this one I'm gonna be fixing my 90 CC chainsaw pocket bikes horrible gas tank with some jb weld here's the quick story on it the unthinkable.

What can I use to seal a hole in my gas tank?

To seal a plastic gas tank with epoxy glue, start by draining the tank and letting it dry. Then, sand the area around the hole or crack with coarse grit sandpaper, and clean it with a cloth soaked in rubbing alcohol. Next, mix the epoxy glue, apply it over the opening, and press a fiberglass patch over the epoxy.

Does gas tank repair putty work?

Because the epoxy is clay-like consistency, fuel (or other liquids) can't seep through it or around it. Once cured, the epoxy can withstand 300-degrees and 900 psi of pressure, so it will be perfect for your leaky gas tank. This is the fastest way to keep that expensive fuel in the tank and not on the asphalt.

Can you fix a dented motorcycle gas tank?

It will likely cost around $200+ dollars to have a body shop repair the dents for you. They may have some special tools that can help get the dents out without needing to repaint the tank, but those methods usually aren't 100% and there will still be some scratches and warps.

Is Bondo gasoline resistant?

Bondo is resistant to fuel, but only after it is cured. If you are smoothing out a gas tank, that is great, it you are trying to fix a rusted out gas tank, this is not going to do a good job.

How do you fix a dented tank?

1:168:254 ways to pop a dent from a motorcycle gas tank - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd so by heating it up and then really super cooling it really quick we can get it to contract. AndMoreAnd so by heating it up and then really super cooling it really quick we can get it to contract. And it should just pop the dent right out.

How long will J-B Weld hold on a gas tank?

Epoxy PuttyJ-B Weld TankWeldJ-B Weld The Original Cold WeldSurface ApplicationIron & Stainless Steel, Copper & Brass, and Aluminum & BronzeGreat For: Metal, Wood, Plastic, Tile, PVC, Ceramic, Fiberglass, Concrete & MoreCure ColorDark GreyDark GreySet Time5 Minutes4-6 HoursCure Time1 Hour15-24 Hours3 more rows

Does Flex Seal work on gas tanks?

Can I Use Flex Seal Tape On My Gas Tank? No. Flex Seal Tape™ is also not resistant against a corrosive flammable such as gas or oil. Neither of the Flex Seal™ products is good on gas tanks.

How do you weld a leaking gas tank?

7:5511:09Weld up a leaking gas tank - YouTubeYouTubeStart of suggested clipEnd of suggested clipFilling it with the brazing Robin you do actually welding in but now we can tip it and check theMoreFilling it with the brazing Robin you do actually welding in but now we can tip it and check the leaks.

How much does it cost to fix a hole in a gas tank?

Depending on the cause of the gas leak, it can cost you as low as $150 up to $1,500 to fix your car's gas leak. There are two main causes of gas leaks in cars: corrosion of the gas tank or a puncture of the gas tank. A corroded gas tank might be easier to fix.

Can You Use Flex Seal on a gas tank?

Can I Use Flex Seal Tape On My Gas Tank? No. Flex Seal Tape™ is also not resistant against a corrosive flammable such as gas or oil. Neither of the Flex Seal™ products is good on gas tanks.

How much does it cost to fix a leaking gas tank?

Gas Tank Replacement Cost If damage to your gas tank has caused a leak, and you want to replace the gas tank it will likely cost you between $1,300 and $1,400. Gas tanks themselves cost around $1,000, but that will depend somewhat on the make and model of your car.

How to repair a dent in a motorcycle tank?

It’s important to remember that no matter how you attempt to repair a dent in a tank, you will need to completely remove the tank from the motorcycle and empty the gas inside. Once you drain the gas, poor some rubbing alcohol inside the tank and keep the cap open to let the residual gas evaporate. Rubbing alcohol is soluble with gasoline so it will ...

How much does it cost to paint a motorcycle gas tank?

The cost for a new motorcycle gas tank is usually around $150 -$200. You can get one for about $100 that is down to bare metal that you’ll need to paint yourself. Repairing and painting a tank yourself has proven to work well, even with amateurs who are willing to learn a new skill.

How to get dust off a tank after sanding?

When it dries, you can use Bondo or whatever body filler you decide on and start filling in the dent using the scraper.

How to sand down body filler?

Wait for the body filler to dry according to the directions. Sanding it too early could mean sanding off big clumps at a time. Use the sanding block (not your hands) to sand down the body filler until it’s smooth. Start with the 80 grit sand paper and work your way up to using 400 grit.

Is it stressful to buy a motorcycle?

Looking into buying a motorcycle can be exciting, but it can also be a bit stressful if you don't know exactly what to look for especially when it comes looking for potential issues. I've been there...

Do you need to clear coat a gas tank?

Once that is dry, you’ll need to clear coat the entire tank. This ensures that gasoline or other chemicals don’t eat through the paint. Click here to see the clear coat I recommend in my list of suggested upgrades. Be sure to wear your respirator during this step because clear coat is especially potent.

Do you need to sand down a tank?

First, you’ll need to sand down the entire tank until it’s all smooth. You do not need to sand down to bare metal unless certain spots call for it to make it smooth. The only time I take the whole tank down to bare metal is when it’s peeling everywhere and has several thick layers of different paint.

What is a motorcycle gas tank made of?

The gas tank on a motorcycle is made up of relatively thin pieces of steel or aluminum that can be dented, punctured, and rusted with ease. Even imperfections in the manufacturing process or how the tank was designed can cause problems for you and leaks are one of these problems. That’s what this article will focus on.

Where is the gas tank bolt on a motorcycle?

Take a good glance underneath your gas tank for the mounting bolt. It's usually located in the bottom center portion around the front of the seat. Access to this is tricky on some bikes and you may need to remove the seat in order to access it. It's best to refer to your motorcycle owner's manual if you're feeling unsure.

How long does it take for epoxy to cure on a bike?

Place a piece of cling wrap over the fill hole, ensure that it's secured, and begin sloshing the epoxy around. Allow to cure for at least 24 hours before putting the gas tank back on the bike and filling it with gas.

How to remove fuel line from gas tank?

Once the gas tank is bone dry remove the fuel line by squeezing the retaining clamp with a small pair of pliers. Sometimes these clamps can be in tricky places so we recommend needle-nose pliers. Once you depress the clamp carefully pull the fuel line off the nipple of the gas tank. Take your time and ease the fuel line off.

Do gas tanks behave the same?

However, most of the gas tanks we see on the road today behave in the same way. That means there are certain parts and components which are usually included on every gas tank.

Can you mix epoxy in a gas tank?

You’re going to need to mix a gas tank epoxy according to the directions of whichever one you purchased. There are a ton of options out there but brands like Caswell and KBS Coatings are always a surefire purchase. Once you have the epoxy solution mixed you can pour it into the gas tank.

When will the dent on my motorcycle tank be visible?

December 28, 2020. So, you’ve noticed a dent on your motorcycle tank? These dents aren’t a rare sight and are often seen on older, second-hand bikes. Regardless of whether your bike is new or not, a dent can be quite annoying. Even if it’s a small one, it’s probably quite visible at least to you.

Why is my tank double skin?

This can be a problem because if you apply pressure from the inside, you’ll pressure the inner shell and not the outer where the dent usually is. On the other hand, if it’s a single skin model, the problem is much easier to solve.

How to spray a dent in a can?

The best way to spray the dent is by turning your can upside down. This way, you get liquid carbon dioxide instead of compressed air. Spray it onto the dent and a one-inch area around it for about thirty seconds. It’s a simple process that’s nearly impossible to do incorrectly.

Is it bad to fix a bike tank?

Generally, fixing it isn’t dangerous as long as you empty the tank and burn any excess fuel that’s onto the inside of its walls. Leaving it dented is even less harmful, but it can seriously ruin the aesthetics of your bike, especially if the damage is quite prominent and easily noticeable.

Do all gas tanks have the same opening?

Not all tanks are the same, and for this reason, some require a different approach to this issue than others. Most gas tanks have openings at the top which allows you to fill them to the maximum.

Can you use compressed air to fix a dent?

Most people will tell you to use a can of compressed air. It’s the easiest way of fixing the issue at home and without too much hassle. However, this depends on the actual dent since some might be too big than a can of compressed air can fix.

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