X-PRO PRODUCT SUPPORT

ATV-P011 / CT125-4(Thunder 125)

Thank you for choosing X-PRO powersports vehicles. We are committed to providing the resources and support you need throughout your ownership experience.

Here you can find owner's manuals, assembly guides, setup videos, troubleshooting resources, maintenance information, and answers to common questions. If you encounter any technical or product-related issues, please contact our support team for assistance.

Documents

Assembly & Maintenance Notice

Please note that assembly, tuning, and maintenance of powersports vehicles require certain mechanical knowledge and skills. Proper setup and regular maintenance are important for safe and reliable operation.

If you are unfamiliar with these procedures, we recommend seeking assistance from a qualified mechanic.

Assembly Video

Frequently Asked Questions

What type of riding is the X-PRO Thunder 125cc ATV designed for?

The X-PRO Thunder 125cc ATV is designed for recreational off-road riding, including dirt trails, grass, gravel, and suitable private riding areas. Its automatic transmission, reverse gear, large 19"/18" tires, and stable four-wheel design make it well suited for outdoor adventures and everyday recreational use.

What engine does the X-PRO Thunder 125cc ATV use?

The Thunder 125 is powered by a 119.6cc Guangyu single-cylinder, 4-stroke, air-cooled engine producing 5.3 kW at 7,500 RPM and 8.0 N·m of torque at 5,500 RPM.

Does the X-PRO Thunder 125cc have an automatic transmission?

Yes. The Thunder 125 features a fully automatic transmission with reverse, so riders do not need to operate a clutch or manually shift gears. This makes the ATV easier to operate, especially for beginners.

How fast can the X-PRO Thunder 125cc ATV go?

The Thunder 125 can reach 35+ MPH, depending on rider weight, terrain, incline, and riding conditions. It also includes an adjustable speed limiter that can be used to restrict the maximum speed for beginning riders.

What are the benefits of the 19"/18" tires?

The Thunder 125 uses 19×7-8 front and 18×9.5-8 rear tubeless tires, providing good ground clearance, traction, stability, and handling on suitable off-road surfaces such as dirt, grass, and gravel.

Does the X-PRO Thunder 125cc have a remote-control safety feature?

Yes. The ATV includes a wireless remote engine kill switch that allows a parent or guardian to shut off the engine remotely. It also has a handlebar-mounted engine kill switch for direct rider control.

Does the X-PRO Thunder 125cc have electric start?

Yes. The Thunder 125 features a 12V electric start system, allowing the engine to be started conveniently with the push of a button.

What is the maximum weight capacity of the X-PRO Thunder 125cc ATV?

The Thunder 125 has a maximum load capacity of 198 lbs (90 kg). Riders should stay within the manufacturer's specified weight limit for safe and proper operation.

Does the X-PRO Thunder 125cc ATV require assembly?

Yes. The ATV arrives approximately 85% assembled. Final setup includes installing the wheels, handlebars, bumpers, racks, shocks, and connecting the battery. Before the first ride, all fasteners, brakes, tire pressure, engine oil, and controls should be carefully inspected.

Is the X-PRO Thunder 125cc ATV street legal?

No. The Thunder 125 is designed for off-road use only and cannot be registered or operated on public roads, streets, or highways. It should be used on private property, approved off-road areas, or designated riding trails where permitted.

Still Need Help?

If you still need help, contact the X-PRO support team and include your model and order information.

Contact X-PRO Support