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Coolster 3125A 125cc Kids ATV


Automatic Transmission w/Reverse, 16" Tires, Air Cooled, Front Double A-Arm Suspension, Front Hub/Rear Disc Brakes. This model is not for sale in CA.

List Price:   $1299.00

Independence Day Sale Price:    $839.00

Or as low as with learn-more-img Learn More

Total Price:   $839.00


Free Today

√ Free  Free Shipping on Qualified Areas

√ Free  Free Pre-Delivery Inspection ($99 Value)

√ Free  Delivery Notification ($15 Value)

√ Free  MSO/MCO Registration Documents ($55 Value)

√ Free  3 Months Engine and Frame Warranty ($99 Value)

√ Free  Life Time Toll Free Technical Support(priceless)

√ Free  Liftgate Service($45 value)

√ Free  Residential Service Fee ($45 Value)

The Utility Design is strong and sturdy. Automatic Transmission without Reverse, Air Cooled, Front Double A-Arm Suspension, Front Hub/Rear Disc Brakes, 16" Wheels make this frightfully fun.




1. Based on the vehicles' nature and intended use, it is strongly recommended that assembly and PDI be performed by trained, licensed mechanics. 

2. All units, including those which have been fully assembled, are subject to unforeseen conditions during transit. All units must be inspected prior to initial operation in order to prevent unnecessary damage and ensure a   riding experience.

Due to excessive delivery rates to certain areas in the states of East Coast, HI, and AK, a freight charge may be required. Please call in for a quote.

Estimated Size Placement Chart

Displacement Height
110cc 3~4'
125cc 4'~5'
150cc~400cc 5' and up
This chart shows the absolute best size person to fit in this unit. However,this does not mean someone shorter or taller could not also ride this unit.

Top Features
  • Safety - Speed Restrictor (Governor)

    Safety - Speed Restrictor (Governor)

    It can be adjust down to 5 mph, you can adapt engine power as his or her skill develops.
  • Safety - Kill Switch

    Safety - Kill Switch

    With one press of the button it automatically cuts the engine so you can stop easily.
  • Electric Start

    Electric Start

    Traditional ATV only come with a Kick Start which make it hard sometime to start your ATV, With our ATV, you can start your ATV electrically, by a push of a button. Quick and easy to start.
  • Rear Disc Brake

    Rear Disc Brake

    Provides a better stopping power compared to regular brake.
  • Front Double a-arm and Rear single arm suspension

    Front Double a-arm and Rear single arm suspension

    Provides a better handling and more comfortable ride.
  • Fully Automatic Transmission

    Fully Automatic Transmission

    Ensures smooth shifting and lets the entry-level rider focus on the trail by eliminating a hand-oprated clutch
  • Padded Seating

    Padded Seating

    Better riding experience with a roomy, nice and spacious cushioned seating.
  • Front Bumper

    Front Bumper

    In case of any impact, this front bumper guards your ATV from unwanted damage.
Engine Type Single Cylinder, 4-Stroke
Displacement 125cc
Bore and Stroke 2.22 inches x 1.95 inches
Ignition CDI
Maximum Speed 43.5 mph May vary depending on road condition, rider weight etc.
Battery 12V/5Ah
Starter Electric
Cooling Air Cooled
Drive Train
Transmission Automatic with Reverse
Drive System Chain
Chassis / Suspension / Brakes
Front Suspension Double A-Arm
Rear Suspension non-Mono shock
Front Brake Hub
Rear Brake Disc
Front Tire 16 x 8-7
Rear Tire 16 x 8-7
Dimensions / Capacities
Length 61.4 inches
Width 37.8 inches
Height 37.4 inches
Wheelbase 38.20 inches
Seat Height 27.17 inches
Ground Clearance 4.9 inches
Net Weight 218 lbs
Gross Weight 244.7 lbs
Weight Capacity 143 lbs
Engine Oil Capacity 0.63 gal
Remote Control Yes
Speed Limiter Yes
Accessories Tool Kit, Owners Manual Book
Restrictions This model is not for sale in CA

Why Buy From MMM

At Mega Motor Madness we sell fun! All of our products are built with three main objectives in mind: To provide quality, innovate and affordable vehicles and accessories to motorsports enthusiasts all throughout the United States. We offer a diverse product line that includes ATVs, scooters, trikes, street bikes, UTVs and electric motorcycles. We pride ourselves with an excellent team, that is very knowledge about our products and available for all of your customer service needs and wants. You won't be disappointed!

  • Lowest Prices, Guaranteed

    Lowest Prices, Guaranteed!

    With over 100 different models to choose from, we at Mega Motor Madness are able to offer affordable motorsports products and accessories for the beginner to the most advanced riders. All of products come directly from our factory and we stand behind our prices 100%! If you find the same product somewhere else at a lower price, we will credit back the difference to you! No questions asked.
  • Fast Shipping

    Fast Shipping

    At Mega Motor Madness we sell fun! We also know you want your new new "toy" quickly! That is why we offer fast shipping to the lower 48 United States. Once payment is confirmed and received, you should be receiving your product anywhere between one and six business days depending on your location within the country. If you have any questions or would like us to track your package please call 1-855-623-6686. View More >>
  • Customer Service Is Our #1 Priority

    Customer Service Is Our #1 Priority

    No matter when you purchased a product from Mega Motor Madness, we will provide it with lifetime technical support. We aren't here just to sell you a great product, we are here to answer any and all questions you may have about it. Call our toll-free number at 1-855-623-6686 to speak with one of our professional techs to get all your questions answered and any problems you should have solved!
  • We Use Only The Finest Parts

    We Use Only The Finest Parts

    At Mega Motor Madness safety is our number concern when manufacturing all of our products. That is why all of our parts are made with the finest quality and inspected with highest standards. Before we ship any product to you, we inspect and go over it thouroughly from top to bottom. We also offer the option to ship your new motorsports product, fully assembled for your added convenience.
  • Our Website Is Safe and Trusted To Buy From

    Our Website Is Safe and Trusted To Buy From

    We know you are skeptical when putting your financial information over the world wide web. At Mega Motor Madness, finances and identity are extremely important to us as well. All purchases made from our website are made securely using Trustwave SSL Security ordering and an Authorize.Net payment gateway. We also offer Paypal as a payment option for your convenience.

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Product Questions & Answers

I'm 5'8 weigh 140 will this be good for me ?
Alejandro September 3,2014

yes. the weight capacity is 143 lbs
MegaMotorMadness September 4,2014        useful(2)

Trying to order a atv and have some questions but the phone number will not go through
Tommy wetzel December 15,2016

You can use live chat at this moment
MegaMotorMadness December 15,2016        useful(1)

Does the piston atv have reverse?
Brandon Ramsey February 15,2015

No. Here are the 125cc ATVs with reverse. http://www.megamotormadness.com/125cc-atvs?features=2
MegaMotorMadness February 15,2015        useful(0)

does it have working headlights and working tail lights
dylan July 24,2014

MegaMotorMadness July 24,2014        useful(0)

Does this model have an automatic transmission with reverse? Pictures show a shifter.
James D. Johnson June 14,2014

Automatic but no reverse. Godzilla 125cc Kids ATV (SKU: ATV060) has reverse.
MegaMotorMadness June 15,2014        useful(0)