120CC Automatic ATV-3125C-2/CX-2
125CC Mid-Size ATV with Fully-Automatic Option
Give new riders a simple, confident start with the Coolster ATV-3125CX-2. Twist the throttle and go. As a 120 CC automatic ATV, it shifts the fears for you. Beginners concentrate on steering, breaking, and the thrill of the ride. We designed it as the successor to the popular 3125C with larger wheels and greater spring suspension for a more durable, versatile experience.
This Coolster 120CC ATV is single-cylinder, air-cooled, 4-stroke engine provides the power and an electric start fires it up with a push of a button. Hydraulic disc brakes sit at both ends, and the 19-inch front and 18-inch rear tires add traction. Either way, the Coolster 120 cc ATV keeps the same mid-size build.
Safety matters as much as the fun. Coolster’s guidelines call for a DOT helmet, eye protection, and protective gear on every ride, with no passengers and no public roads or pavement. Kids under 16 require adult supervision. The ATV carries up to 165 pounds, counting rider, cargo, and accessories, so check the rider’s weight first.
Durable shocks, a 710 mm seat height, and 135 mm of ground clearance round out the Coolster 3125cx2. Families comparing it with any other 120cc ATV should weigh those details alongside the automatic. For a first quad built to keep riding simple, this 120 cc automatic ATV is a smart, family-friendly buy.
Available Colors
The Coolster ATV-3125C-2 is the successor of our popular 3125C. More versatile and durable, the 3125C-2 is powered by a 125cc semi-automatic 4-stroke engine, larger wheels, and greater spring suspensions. The 3125C-2 can also come as a fully automatic version (3125CX-2) and also features the same aesthetics.
ATV-3125CX-2 is the fully automatic version of the 3125C-2. The Coolster ATV-3125CX-2 has all the same features of its semi-automatic sibling, such as the 18×9.50-8 rear wheels, durable shocks, and aggressive sporty aesthetics. The ATV-3125CX-2 also comes in a version with chrome rims (ATV-3125CX-3).
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Download ATV-3125C-2/CX-2 Manual
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| Model Number: | ATV-3125C-2/CX-2 |
| Engine Type: | Single cylinder, 4-stroke, air-cooled |
| Displacement: | 120cc |
| Max Torque: | 6.9N.m/6,500 ± 500r/min (N.m/r/min) |
| Max Power: | 5.5kW/8,500 ± 500r/min (kW/r/min) |
| Bore Stroke: | 52.4 x 55.5mm |
| Ignition: | CDI |
| Starting System: | Electric |
| Battery: | 12V, 5Ah |
| Clutch: | Automatic/Semi-Automatic |
| Transmission: | Chain, Rear Wheel Drive |
| Brakes Front/Rear: | Hydraulic Disc |
| Tires Front/Rear: | 19 x 7.00 – 8 / 18 x 9.50 – 8 |
| Fuel Capacity: | 2.06L |
| Maximum Weight Capacity: | 165 lbs / 75 kg (rider, all cargo and accessories) |
| Wheelbase: | 1000mm |
| Dimensions: | 1,530 x 1030 x 1,010mm |
| Height to Seat: | 710mm |
| Min. Ground Clearance: | 135mm |
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Please read the owner’s manual and all on-product warnings. ATVs can be hazardous to operate. For operator’s safety, always wear a helmet, eye protection, and protective gear. Never carry a passenger. Never ride under the influence of drugs nor alcohol. Never ride on public roads nor pavement. Be extra careful on difficult terrain. Never allow a child under the age of 16 to operate an ATV without adult supervision. It is strongly recommended that all ATV riders take a training course. For more information, contact your local dealer or call 1-626-228-0251
Maxtrade LLC. 2026





