Coolster Mammoth 125cc ATV
The Coolster 125cc Mammoth Kids ATV combines sporty performance and reliable utility, making it the perfect choice for young riders aged 10 and up. With its 125cc 4-stroke engine, automatic transmission, and rugged frame, this ATV is built to handle a variety of terrains. Safety features like a remote kill switch, speed governor, and hydraulic disc brakes ensure parents can rest easy while kids enjoy the ride.
Key Features:
125cc 4-Stroke Engine – Smooth power for both beginners and experienced riders.
Automatic Transmission – Easy operation with forward, neutral, and reverse.
Heavy-Duty Steel Frame – Enhanced durability for long-lasting performance.
Off-Road Knobby Tires – Provides excellent traction on dirt trails and uneven surfaces.
LED Lights & Front Steel Bumper – Stylish design with additional protection and visibility.
Top Speed: 28 MPH – Adjustable with the speed limiter for gradual progression.
This hybrid ATV is perfect for transitioning your child from smaller models. Designed for thrill and safety, it’s ready to tackle any trail. Order the Coolster 125cc Mammoth today and let your child embark on their next outdoor adventure!
Assembly: This vehicle comes 85% pre-assembled. Components such as wheels, steering wheel, battery, rear suspension, and racks will require additional assembly. Estimated time for completion is 1 to 2 hours. For safety and optimal performance, assembly and inspection should only be performed by a professional mechanic.


Coolster 125cc Mammoth Kids ATV
$1,499.00 Original price was: $1,499.00.$1,249.00Current price is: $1,249.00.
Coolster Mammoth 125cc ATV
The Coolster 125cc Mammoth Kids ATV combines sporty performance and reliable utility, making it the perfect choice for young riders aged 10 and up. With its 125cc 4-stroke engine, automatic transmission, and rugged frame, this ATV is built to handle a variety of terrains. Safety features like a remote kill switch, speed governor, and hydraulic disc brakes ensure parents can rest easy while kids enjoy the ride.
Key Features:
125cc 4-Stroke Engine – Smooth power for both beginners and experienced riders.
Automatic Transmission – Easy operation with forward, neutral, and reverse.
Heavy-Duty Steel Frame – Enhanced durability for long-lasting performance.
Off-Road Knobby Tires – Provides excellent traction on dirt trails and uneven surfaces.
LED Lights & Front Steel Bumper – Stylish design with additional protection and visibility.
Top Speed: 28 MPH – Adjustable with the speed limiter for gradual progression.
This hybrid ATV is perfect for transitioning your child from smaller models. Designed for thrill and safety, it’s ready to tackle any trail. Order the Coolster 125cc Mammoth today and let your child embark on their next outdoor adventure!
Assembly: This vehicle comes 85% pre-assembled. Components such as wheels, steering wheel, battery, rear suspension, and racks will require additional assembly. Estimated time for completion is 1 to 2 hours. For safety and optimal performance, assembly and inspection should only be performed by a professional mechanic.
Available Options
Out of stock

Pablo Fuentes (verified owner) –
The design and color options are very appealing to kids.
Rafael Ortega (verified owner) –
This ATV helped get my child away from screens and outdoors.
Pablo Fuentes (verified owner) –
Excellent beginner ATV. Smooth acceleration and easy steering make it ideal for kids.
Tyler Walker (verified owner) –
The parental speed control is a huge plus. I can limit the speed as my child learns.
Victor Flores (verified owner) –
The braking system works perfectly and responds quickly, which is reassuring.
Nicholas Clark (verified owner) –
Very well made and durable. My kids ride it almost every day and it’s holding up great.