Product Description
TrailMaster Mini XRX+ – Best First Go-Kart for Ages 4–10
The Mini XRX+ is a confidence-building kid’s go-kart with a dependable 163cc engine, electric start with pull-start backup, adjustable pedals, and kid-first safety features. Sized for ages 4–10, it’s the fun, simple way to get them riding.
- 163cc 4-stroke engine (approx. 7 hp)
- Electric start with pull-start backup
- Adjustable pedals + sliding seat for growing riders
- Hydraulic rear disc brake, dual A-arm front suspension
- Kid-first safety: 5-point harnesses, throttle governor, remote shut-off
- Knobby tires: 145/70-6 (front) • 16×8-7 (rear)
The TrailMaster Mini XRX+ is purpose-built for young riders: easy automatic drive, adjustable controls, and a roomy cockpit that fits kids from about 4 to 10. Parents get peace of mind with a speed governor, 5-point harnesses, roll cage, and a remote engine shut-off key fob. Start simple, ride confident, and grow with the kart.
Want reverse for easier maneuvering? See the Mini XRX-R+.
- Reliable 163cc, 4-stroke engine (approx. 7 hp @ 3600 rpm)
- Electric start with pull-start backup
- Fully automatic drive for simple, twist-and-go fun
- Adjustable pedals and sliding seat for perfect reach
- Hydraulic rear disc brake • Dual A-arm front suspension
- Throttle governor + wireless remote shut-off
- Knobby off-road tires for yard, field, and light trail use
| Engine | 163 cc, 4-stroke, single-cylinder (approx. 7 hp) |
|---|---|
| Starting | Electric start with pull-start backup |
| Transmission | Fully automatic (forward) • live rear axle |
| Brakes | Hydraulic rear disc |
| Suspension | Front dual A-arm (oil-dampened) • Rear swingarm shock |
| Tires | Front: 145/70-6 • Rear: 16×8-7 |
| Speed | ~13 mph max (adjustable governor) |
| Seat-to-Pedal Range | ~30–35″ (plus pedal adjust ±3–6″) |
| Wheelbase | ~42.6″ |
| Fuel Capacity | ~1.2 gal |
| Battery | 12V, 9Ah |
| Recommended Ages | ~4–10 years |
Specs can vary slightly by production. Need exact belt or sprocket info? Contact our team and we’ll confirm your unit.
Built for young riders with room to grow. For height tips and model comparisons, use our Sizing Guide. Need reverse or a bit more capability? Consider the Mini XRX-R+.
- TrailMaster Mini XRX+ go-kart (factory crate)
- Owner’s documentation
- Basic tool kit
- GoKartMasters setup resources
Ships in a secure crate and requires basic setup (handlebars/controls, fasteners, fluids). We include helpful setup resources and tips so first-ride day goes smoothly. Prefer turnkey? Ask us about assembly options.
Every Mini XRX+ from GoKartMasters is backed by our support team. For maintenance items and upgrades, visit our Mini XRX Parts or contact us for fitment help.
What ages is the Mini XRX+ for?
It’s sized for kids about 4–10 years old, with adjustable pedals and a sliding seat to dial in reach.
Does it have reverse?
The Mini XRX+ is the forward-drive model. If you want reverse, choose the Mini XRX-R+.
How fast does it go?
Factory top speed is around 13 mph, and you can turn it down with the adjustable throttle governor.
Is there a remote kill switch for parents?
Yes. The Mini XRX+ includes a wireless remote engine shut-off key fob for added safety.
What tire sizes does it use?
Front 145/70-6 and rear 16×8-7 knobby tires—great for yard, field, and light trail riding.
Other Details
This go kart is covered by the Master Warranty, a 12 month bumper to bumper coverage on any and all manufacturers defects. It includes personalized technical support, free shipping on warranty parts, and guaranteed coverage for the first 12 months. There is no need to register, as your warranty is filed upon purchase.Product Videos
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Custom Field
Product Reviews
3 Reviews Hide Reviews Show Reviews
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go kart
Quick and easy assembly … My 5 & 8 yr old grandsons are loving these!!
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grandkids
I bought this for my grandkids ages 4 and 6. They love it. Very well built! Speed is perfect for their ages.
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Great
Awesome little kart for the kids. Easy to put together.
