Chinese ATV Throttle Limiter Screw Size – For Beginners In 2023

In the world of off-road vehicles known as ATVs, Chinese models have become very popular because they are affordable and versatile. However, many ATV fans often wonder how to change something called the ‘throttle limiter screw’ to make their ATV work better.

The throttle limiter screw size on a Chinese ATV can vary depending on the specific make and model of the ATV. There is no standard size for this screw across all Chinese ATVs. 

This guide will delve into the intricate details of Chinese ATV throttle limiter screw size, providing essential information to enhance your ATV riding experience.

Getting to Know the Throttle Limiter Screw – For beginners!

Before we dive into the specifics of the throttle limiter screw size, it’s crucial to grasp its fundamental function. The throttle limiter screw is a small but pivotal component in your Chinese ATV’s carburetor.

Getting to Know the Throttle Limiter Screw
source: finntrail

Its primary purpose is to limit the air and fuel that can flow into the engine, ultimately controlling the vehicle’s speed.

Why Change the Throttle Limiter Screw? – Check This!

1. For Your  Safety: 

One of the primary reasons to change the throttle limiter screw is safety. When dealing with a vehicle operated by beginners or young riders, such as children or teenagers, limiting the throttle’s power can help prevent accidents. 

Why Change the Throttle Limiter Screw?
source: 3sx

Reducing the maximum speed or acceleration can make the vehicle more manageable for inexperienced riders, reducing the risk of accidents and injuries.

2. Skill Development: 

For new riders, especially children just learning to operate an ATV or dirt bike, a reduced throttle setting allows them to develop their skills gradually.

It lets them become comfortable with the vehicle’s handling and power in a controlled manner.

As their confidence and competence grow, the throttle limiter can be adjusted to increase performance.

3. Parental Control: 

Parents or guardians often use the throttle limiter to control their child’s riding experience. Parents can ensure the vehicle is used responsibly and within specified boundaries by limiting the throttle. It’s a tool to promote responsible riding behavior. 

4. Terrain and Conditions: 

Adjusting the throttle limiter screw may be necessary depending on the terrain and riding conditions. 

For example, when riding in challenging or off-road conditions, limiting the throttle can provide better traction and control, reducing the risk of accidents.

5. Fuel Efficiency: 

In some cases, adjusting the throttle limiter can improve fuel efficiency. By reducing the throttle’s wide-open position, you may consume less fuel, extending the vehicle’s range between refueling.

6. Compliance: 

Certain areas have legal regulations regarding ATVs or dirt bikes’ maximum speed or power output. Adjusting the throttle limiter screw can help ensure compliance with these regulations.

So, in the world of throttles and adventures, the throttle limiter screw isn’t just a screw; it’s a compass guiding you toward safe, skillful, and responsible riding. It’s your partner in exploration and your guardian of the ride.

How To Find the Right Size Of Throttle Limiter Screw? – Let’s Explorer!

How To Find the Right Size Of Throttle Limiter Screw? – Let’s Explorer!
source: cnccookbook
  • Consult Your Owner’s Manual: Your owner’s manual is your best friend regarding ATV maintenance. It usually contains information about the throttle limiter screw and its size.
  • Contact the Manufacturer: If the manual doesn’t provide the required information or you no longer have it, don’t hesitate to contact the manufacturer. They can give precise details about your ATV’s throttle limiter screw.
  • Measure the Screw Do it Yourself: If all else fails, you can measure the existing throttle limiter and screw yourself. Use calipers or a measuring tape to determine its size accurately.

How to Adjust the Throttle Limiter Screw? – Follow This Instruction!

Now that you have the correct size for your Chinese ATV’s throttle limiter screw, it’s time to make the necessary adjustments.

  •  In the beginning, Locate the Carburetor: Familiarize yourself with the location of the carburetor on your ATV. It’s typically situated near the engine.
  • Secondly, Access the Screw: Identify the screw on the carburetor responsible for controlling the throttle. This is the throttle limiter screw.
  • In the last, Turning the Screw: Using the appropriate tool, turn the screw clockwise to limit the airflow and counterclockwise to increase it. Make incremental adjustments and test your ATV’s performance in between.

And for even more valuable insight, check out the YouTube link.  It’s a treasure trove of information that can benefit your ATV journey.

Frequently Asked Questions:

1. Can I remove the throttle limiter screw altogether?

It’s not recommended, as it can compromise safety, especially for inexperienced riders.

2. Will adjusting the throttle limiter screw void my ATV’s warranty?

It depends on the manufacturer’s policies. It’s advisable to consult them before making any modifications.

3. How often should I check and adjust the throttle limiter screw?

Regularly inspect your ATV and adjust as needed, mainly if new riders use it.

4. What are the Different Types of Chinese ATV Throttle Limiter Screw Sizes?

Chinese ATVs come in various models, and their throttle limiter screw sizes can vary. To find the specific size for your ATV, refer to your owner’s manual, contact the manufacturer, or measure the screw yourself if necessary.


In conclusion, The size of the throttle limiter screw in a Chinese ATV can differ depending on the particular brand and model of the ATV. There isn’t a universal size for this screw that applies to all Chinese ATVs.

Now that you know about the size of the throttle limiter screw on your Chinese ATV, you can adjust it to make your ATV ride just the way you like it. Remember to be safe, and if you need more help, check your owner’s manual or ask the manufacturer. Have a great time riding!