ATV-3125XR8 U2 – 125cc Mid Size ATV
125CC Fully-Automatic Mid Sized Utility ATV
Feel the perfect blend of power, responsiveness, and balance. Our 125cc mid size ATV, available in a range of color choices, is perfect for everyday off-roading adventures, mudding, dune riding, trail busting, and much more. Our 125cc utility ATV is also the perfect workhorse for work riding, hauling, plowing, and other dirty maintenance tasks that require good power in a small package. With the Coolster 3125xr8 U2, the capable power you need is always right under your seat.
Available Colors
The Coolster ATV-3125XR8-U/US is the ultimate utility ATV. With both front and rear racks, 19 x 7 – 8 / 18 x 9.5 – 8 front/rear wheels, and a reliable 125cc 4-stroke engine, this machine is suitable for adults and youth 10+. Unlike its predecessor the 3125XR8, the Coolster ATV-3125XR8-U2 is fully automatic.
For more information, please click the tabs, or click here to reach us directly
Download ATV-3125XR8-U2 Manual
(Must be logged in to download)
| Model Number: | ATV-3125XR8-U2/US |
| 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: | Fully-Automatic/Semi-Automatic |
| Transmission: | Chain, Rear Wheel Drive |
| Brakes Front/Rear: | Hydraulic Disc |
| Tires Front/Rear: | 19 x 7 – 8 / 18 x 9.5 – 8 |
| Fuel Capacity: | 0.54 gallons / 2.06L |
| Maximum Weight Capacity: | 165 lbs / 75 kg (rider, all cargo and accessories) |
| Wheelbase: | 960mm |
| Dimensions: | 1,470 x 970 x 935mm |
| Height to Seat: | 685mm |
| Min. Ground Clearance: | 120mm |
| Image | Name | Price | Buy |
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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
The Coolster ATV-3125XR8-U/US is the ultimate utility ATV. With both front and rear racks, 19 x 7 – 8 / 18 x 9.5 – 8 front/rear wheels, and a reliable 125cc 4-stroke engine, this machine is suitable for adults and youth 10+. Unlike its predecessor the 3125XR8, the Coolster ATV-3125XR8-U2 is fully automatic.
For more information, please click the tabs, or click here to reach us directly
Download ATV-3125XR8-U2 Manual
(Must be logged in to download)
| Model Number: | ATV-3125XR8-U2/US |
| 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: | Fully-Automatic/Semi-Automatic |
| Transmission: | Chain, Rear Wheel Drive |
| Brakes Front/Rear: | Hydraulic Disc |
| Tires Front/Rear: | 19 x 7 – 8 / 18 x 9.5 – 8 |
| Fuel Capacity: | 0.54 gallons / 2.06L |
| Maximum Weight Capacity: | 165 lbs / 75 kg (rider, all cargo and accessories) |
| Wheelbase: | 960mm |
| Dimensions: | 1,470 x 970 x 935mm |
| Height to Seat: | 685mm |
| Min. Ground Clearance: | 120mm |
| Image | Name | Price | Buy |
|---|
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
