How to Bleed ATV Brakes

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How to Bleed ATV Brakes

An all-terrain vehicle, or ATV, is a motorised three- or four-wheel vehicle used for recreation or work. Many farms, ranches, and larger agricultural establishments use ATVs to get from one area to another quickly as well as to transport heavy items. Others use ATVs for recreational purposes, including mudding and navigating ATV courses. ATVs are available in a variety of sizes, so individuals of all ages, including older children, can enjoy riding an ATV.

Individuals who invest in ATVs know that these vehicles are not cheap. To keep them in tip-top shape and providing service for years to come, ATV owners should be sure to perform maintenance regularly, which includes replacing tyres and brakes when they are worn, changing the oil, and bleeding the brakes as needed. Individuals who have never bled brakes before need to have a basic understanding of ATVs. They may then use guidelines to learn how to bleed ATV brakes properly. With its large inventory of products, eBay is a great resource where one can find replacement parts for ATVs. Consumers can utilise this website effectively with an awareness of its functionalities.

Brief History of the ATV

The first ATVs were built in Japan and were used by farmers to travel around their farms as well as to and from town. When farmers realised they could use ATVs to travel on roads that were impassable by larger vehicles, these vehicles grew in popularity. ATVs began to appear in other countries, including the United Kingdom, during the second half of the 20th century. Initially used for farming and ranching, ATVs began to be used by hunters who quickly realised the usefulness of these vehicles for hunting trips.

As more people began seeing ATVs in use, they became popular as recreational vehicles. Today, many of the ATVs sold are sold for recreational purposes as well as for business.

Types of ATVs

There are four main classifications of ATVs, and while all four types have the same main engine and body components, different types and models may use different parts, engine oils, and grades of petrol. Before beginning any type of maintenance on an ATV, owners should determine which type of engine oil and parts are required for their specific ATVs so they do not end up causing damage to the vehicles.

Sport ATVs

These ATVs are used for racing and for recreational riding, including mudding. Sport ATVs have a heavy-duty suspension to stand up to rough terrain and tricks and are lightweight, making transporting and manoeuvring easy. Sport ATVs are also capable of achieving higher speeds than other types of ATVs, making them perfect for racing. Sport ATV engines typically range in size from 250 to 700 cu cm, although it is possible to find sport ATVs with more or less powerful engines.

Side by Side ATVs

Also referred to as SxS ATVs, side by side ATVs look like ATV/golf cart hybrids. These ATVs can often carry up to four passengers or cargo, whereas other ATV models can carry two passengers, at the most. These ATVs usually have more powerful motors and better suspensions than golf carts, making them perfect for a variety of applications, including fire rescue and military use,as well as in the pits during races.

Utility ATVs

Utility ATVs are among the more popular ATVs. These ATVs have big engines and short suspensions, and they can handle a variety of accessories and add-ons for versatility. Commonly used in agricultural, ranching, and hunting applications, these ATVs handle rugged terrain, carry plenty of cargo, and tow attachments, which makes them true multitaskers. While the majority of ATVs are petrol-powered, there are some utility ATVs that run on electricity, allowing riders to move through the rough terrain more quietly.

Youth ATVs

Full-size ATVs are too powerful for younger children and could cause serious injuries. Because of this, younger children should not ride on these ATVs. There is a wide range of youth ATVs with weaker engines, typically ranging in size from 50 to 125 cu cm with automatic transmissions, which means riders do not need to worry about shifting gears on these ATVs. Because youth ATVs are smaller and less powerful, they are only intended for riders between 45 and 70 kg.

Why ATV Brakes Need to be Bled

Occasionally, air bubbles work their way into brake lines, which results in brakes that do not work as efficiently. This could be the result of worn-out brake lines or any number of other problems. Often, when brake pads get worn down, brake fluid levels get too low, and a few air bubbles end up getting into the brake line. Riders may feel they need to push the brake pedal down farther than usual when air bubbles are in the brake line. The term bleed refers to removing the brake fluid from the brake system and replacing it with fresh fluid.

In addition to removing air bubbles from the brake lines, bleeding the brakes replaces the old fluid which may have been contaminated with dirt and metal debris. Brake fluid also absorbs moisture over time, which lowers the boiling point of the brake fluid and increases its capacity for compression, and this is what causes spongy, ineffective brakes.

How to Bleed ATV Brakes

Before an ATV owner can bleed the brakes on a ATV, he or she needs to gather a few tools. A brake bleeding kit makes bleeding ATV and other vehicle brakes quick and easy, although there are ways to create a brake bleeder kit from common household items for those who do not want to pay for the kit. The kit, whether store-bought or homemade, consists of a container to hold the drained brake fluid along with some rubber tubing to allow the fluid to flow from the brake system to the container.

It is essential not to get additional air in the brake line during the bleeding process, which is why the tubing needs to extend nearly to the bottom of the collection container, and fluid needs to be present in the container before beginning the bleed. Throughout the process, the tubing must remain below the fluid level, or there is a risk of air getting back into the brake line.

Prepping for the Brake Bleed

The first step in bleeding ATV brakes is to gather all the necessary tools and equipment. Once these items have been collected, the user should remove the rubber cap that protects the bleed valve. There is a bleed valve on each brake calliper, which means this process needs to be repeated for each brake calliper. Next, the user should apply grease to the bleeder valve and connect the tubing from the brake bleeder to the bleeder valve. The grease helps ensure that air does not enter the brake line by leaking around the edges of the tubing.

Before opening up the bleed valve, one should locate the brake fluid reservoir, open it up, and fill it with clean brake fluid. Tap the reservoir gently to get rid of bubbles that may be present in the fluid and refill as necessary.

Bleeding the Brakes

Now the user can loosen the bleed valve. Fluid should begin travelling through the tubing into the waste container and air can be seen bubbling to the top of the container. At this point, the person bleeding the brakes needs to gently pump the brake pedal to help expel the fluid and air. Watch the waste container and stop pumping when no more air bubbles come out. Before removing the tubing, tighten the bleed valve. Once that has been done, the tubing can be removed and applied to the bleeder valve on the next brake calliper.

Finishing Up

Once all of the brake callipers have been bled, the user needs to add brake fluid to the brake fluid reservoir. After filling it to the proper level, replace the cap on the reservoir and dispose of the dirty brake fluid.

Creating a Brake Bleeding Kit

Individuals who want to create their own brake bleeding kits can do so with a few simple, inexpensive items, many of which can be found around the house or in the garage. There are several options when assembling a kit as long as one has the basic pieces.



Waste container

Collects the used brake fluid; can be a glass or plastic container, or a simple plastic bag

Rubber tubing

Allows brake fluid to flow from the brake line to the waste reservoir


Used to open the bleeder valve


Prevents air from entering the brake line

The waste container can be lidded or not; however, one should be sure that the tubing is secured below the fluid line and cannot slip out of an open container as this could result in air bubbles in the brake line. Those who find themselves bleeding brakes frequently may want to set up a more sophisticated system with a lidded glass jar and brake line that extends nearly the full length of the jar. Individuals who do not want to go this far can simply slip the tubing into an empty water bottle or plastic bag filled with some brake fluid.

Shopping for Brake Bleeding Kits and Other ATV Parts

Individuals wishing to purchase kits or the supplies to make their own brake bleeding kits may be able to find these items at local auto parts stores. Those who are simply looking for tubing and a waste container can probably find these items at hardware or home improvement stores. Those who prefer to maintain their own ATVs may want to find a store or website where they can find all ATV parts, supplies, and accessories so they know where to go when they need parts of any kind.

While auto parts stores may sell some of the parts and supplies necessary for ATV maintenance, a specialty store or website is a better option because individuals can find more of the specialty items they need at these retailers. Prospective buyers may also consider the supply of ATV brake bleeding kits and other ATV parts and accessories on eBay before making a purchasing decision.

Buying Bleeding Kits and ATV Parts on eBay

If you want to take a look at the brake bleeding kits currently available on eBay,, you may begin by entering that search phrase into the search box on the site. Once the search results load, you can narrow down the listings using the filter options on the search results page. If you are looking for rubber tubing or other ATV parts, you can also type that information into the search box. For example, if you need ATV brake fluid,, conduct a search on that phrase to find out which sellers offer this item.

Before making a purchasing decision, prospective buyers should read through each listing carefully to confirm that the part, fluid, or other item being sold is compatible with the ATV in question. While brake bleeding kits are typically compatible with many types of vehicles, other parts and supplies, such as brake fluid, may be different for ATVs. Prospective buyers should also pay close attention to the terms and conditions of the listing, including whether the item can be returned if it is not compatible or if the buyer changes his or her mind.


ATVs can provide years of recreation and utility for their owners, provided they are maintained properly. Because ATVs can also be quite expensive, owners take care of their ATVs properly with routine maintenance so that the vehicle does not break down. Individuals who have never bled the brake lines on an ATV or other vehicles may want to look for instructional videos or ask a friend or professional to show them how it can be done. Proper instruction is important, so that they do not end up letting air bubbles into the brake line in the process of trying to remove it.

ATV owners and prospective owners can easily perform many of the routine maintenance tasks, including bleeding the brakes, with a few simple tools and supplies and some free time. Having the correct parts, supplies, and fluids on hand is essential to make this process go smoothly. Individuals may look at the selection of brake bleeding kits, brake fluids, and other ATV parts and accessories on eBay to find the items they need to keep their ATVs in good condition.

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