Name: Coolster 3125R Mid-Size Deluxe Utility Youth Quad - 120cc, Automatic with Reverse, Electric Start, Ages 12 and Up
Brand: Trailmaster
SKU: MB-CL-3125R
Availability: InStock

Coolster 3125R Mid-Size Deluxe Utility Youth Quad – 120cc, Automatic with Reverse, Electric Start, Ages 12 and Up

Youth Off-Road ATV (All-Terrain Vehicle) for trail, sport, and outdoor recreational riding. Designed and certified for off-road recreational use only.

Brand: TrailMaster
Category: Youth Off-Road ATV (All-Terrain Vehicle)
Condition: New
Use: Off-road recreational use only

This model has been a top seller for the past 5 years. 120cc on a mid-size frame is perfect for the young riders 12 and up moving up in size and power. Upgraded suspension. Coolster is constantly upgrading its machines and making them even more reliable. With proper maintenance and the use of good-quality fuels, this machine can be handed down to younger siblings, friends, and cousins. Throttle limiter and safety tether included.

The 3125R is a compact sport/utility ATV specially designed for off-road use. It is powered by a powerful SOHC, four-stroke single engine that offers lots of power, designed to take the rider anywhere they want to go. Equipped with an automatic transmission CVT transmission with reverse. This rugged model is built on a robust midsize steel frame, especially developed to fit a wide range of riders. The upgraded suspension features independent A-arm front suspensions with lots of travel and an equally rugged rear swingarm with a single rear shock.

CA customers: this item is NOT CARB approved, but you may use it on your private land.

updated 11/2025

Tech Specs

Engine type	single sylinder, 4 stroke, air-cooled
Displacement	120cc
Transmission	Fully Automatic
Max torque	5.7/7500±500 KW/r/min
Chain Drive	Yes
Bore*stroke	52.4 X 57 mm
Brakes Front/Rear	hub/hydraulic disc
Max speed	varies
Tires FRONT/REAR	Front/Rear 16 x 7.00 – 7 / 16 x 7.00 – 7″
Fuel capacity	2.4L
Ignition	CDI
Weight N.W	106 kg
Starting system	Electric
Max load	140
Battery	12V5Ah
Wheelbase	37.8″
LWH	59.9″ x 37″ x 37.8 inches
Height to seat	28.6
MinGround clearance	140 mm”

Safety: Operators must wear a DOT-approved helmet, eye protection, gloves, boots, and protective riding gear. We recommend all riders complete a certified ATV safety training course. Riders must be appropriately sized for the model and follow all local off-road riding regulations.