Coolster 125cc Mammoth Kids ATV
Coolster 125cc Mammoth Kids ATV Original price was: $1,000.00.Current price is: $850.00.
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Coolster DX2 150cc Utility Full-Size ATV
Coolster DX2 150cc Utility Full-Size ATV Original price was: $1,299.00.Current price is: $1,150.00.

Coolster 125cc Sport-B Kids ATV

Original price was: $1,100.00.Current price is: $950.00.

The Coolster 125cc Sport-B Kids ATV is the perfect entry-level off-road vehicle for adventurous young riders who want real power, fun, and safety in one package. Designed for kids aged 8 to 14, this ATV combines sporty performance, durable construction, and rider-friendly features, giving young thrill-seekers the confidence to explore trails, dirt paths, and open terrain.

Fun, Safe, and Built for Adventure

The Coolster 125cc Sport-B Kids ATV combines excitement, safety, and durability in one rugged machine. Perfect for trail riding, weekend adventures, and outdoor exploration, it gives young riders a true off-road experience while keeping parents confident in their child’s safety.

Bring the thrill home today and let your child experience the freedom and excitement of riding a Coolster Sport-B ATV.


 

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Description

Coolster 125cc Sport-B Kids ATV – Thrill Meets Safety

Equipped with a 125cc 4-stroke engine, the Coolster Sport-B delivers smooth acceleration and responsive handling. Its automatic clutch and chain-driven transmission make riding intuitive, even for first-time ATV riders. The ATV reaches speeds up to 30 mph, adjustable by parents for safety, making it exciting yet manageable.

The fuel tank holds 1.2 gallons, allowing for long ride sessions without frequent refueling. The electric start system ensures a quick and easy ignition, while a kick start backup adds reliability.


Durable, Rider-Focused Design

The Sport-B features a reinforced steel frame built to withstand bumps, jumps, and rough trails. Its independent front suspension and rear swing-arm suspension provide a smooth, controlled ride, absorbing shocks from uneven terrain. Hydraulic disc brakes on both front and rear wheels deliver dependable stopping power, keeping young riders safe.

Wide off-road tires offer excellent grip on dirt, sand, or gravel. The comfortable padded seat and ergonomically designed handlebars ensure proper posture and control, while footrests keep feet secure during every ride.


Safety Features

The Coolster Sport-B includes multiple safety measures to give parents peace of mind: a tether kill switch allows the ATV to stop immediately if the rider falls, and adjustable speed limits help control top speeds based on rider experience. Its low center of gravity reduces the risk of tipping, and a durable chain guard prevents contact with moving parts.

Bright LED headlights enhance visibility during low-light rides, while the ATV’s colorful, sporty bodywork makes it visually exciting for kids.


Key Specifications

  • Engine: 125cc 4-stroke, air-cooled
  • Transmission: Automatic, chain-driven
  • Top Speed: Up to 30 MPH (adjustable)
  • Fuel Tank Capacity: 1.2 gallons
  • Starting System: Electric start with kick start backup
  • Suspension: Independent front / rear swing-arm
  • Brakes: Hydraulic disc, front and rear
  • Tires: Wide off-road knobby tires
  • Weight Limit: 165 lbs
  • Recommended Age: 8–14 years
  • Safety Features: Tether kill switch, speed limiter, chain guard
  • Dimensions: L 55″ × W 33″ × H 38″

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