Product Description
The Most Capable TrailMaster Mini for Young Drivers
The TrailMaster Mini XRX-R+ combines electric start, pull-start backup, wireless remote shutoff, larger off-road tires and reverse in TrailMaster's youth-size Mini chassis. It is designed for families who want the easiest Mini to maneuver around trees, buildings, trails and smaller riding areas.
Best for: Families who expect a young rider to use the kart around obstacles, on tighter trails or in places where backing up will be a normal part of riding.
Choose another model if: You want the same electric-start convenience but do not expect to use reverse often consider the Mini XRX+. For the simplest, lowest-cost entry into the Mini lineup, consider the Mini XRS+.
Is Reverse Worth It for Your Family?
If the kart will be used around trees, fences, buildings, garages or narrow trails, reverse can save an adult from repeatedly moving the kart by hand.
Ask About Rider Fit or Model ChoiceScott's Expert Opinion
"Reverse can sound like an optional luxury until a child noses into a fence, stops beside a tree or drives into the corner of a garage. With the Mini XRX-R+, the rider can stop, select reverse and back away instead of waiting for an adult to pull the kart backward. For families riding in tighter spaces, it is one of the most useful upgrades in the Mini lineup."
-Scott Pannell, GoKartMaster
Why This Model Exists
The Mini XRX-R+ is the top convenience model in TrailMaster's Mini lineup. The Mini XRS+ keeps the platform simple and affordable. The Mini XRX+ adds electric start, remote shutoff, lights, a horn and larger tires. The Mini XRX-R+ adds reverse to that convenience package.
That difference matters most after the first few rides. Beginning drivers naturally stop too close to obstacles, turn into narrow areas and park where they cannot continue forward. Reverse gives the rider a practical way to correct those situations without an adult repositioning the kart.
Will the Mini XRX-R+ Fit the Intended Rider?
GoKartMasters generally recommends the Mini XRX-R+ for children approximately 4–10 years old, but age is only a starting point. The rider must be able to sit fully against the seat, see clearly ahead, steer without overreaching and press the brake pedal firmly through its full travel.
The sliding seat and adjustable pedals help families fine-tune pedal reach as a child grows. Always verify the actual rider's reach, judgment and ability to follow directions before allowing independent operation.
Likely a Good Fit When
- The rider can sit fully back while reaching both pedals.
- The brake can be pressed firmly without sliding forward.
- The rider can steer comfortably in both directions.
- The five-point harness can be adjusted snugly.
- The rider can understand stop, forward and reverse instructions.
Consider Another Size When
- The rider cannot fully press the brake pedal.
- The rider's knees interfere with steering.
- The rider is too tall to sit comfortably inside the cage.
- The intended driver needs an adult-size seating position.
- A Mid-size model provides a noticeably better physical fit.
Features That Make the Mini XRX-R+ Easier to Own
Reverse Gear
Reverse helps a young rider back away from fences, trees, garage walls and other places where continuing forward is not practical.
Electric Start With Pull Backup
Keyed electric start makes normal starts simple. The recoil starter provides a backup when the battery needs attention.
Wireless Remote Shutoff
An adult can shut off the engine remotely during early training. This supplements close supervision and proper governor adjustment.
Adjustable Speed
The throttle governor allows an adult to reduce available throttle while a beginning rider develops steering and braking skills.
Hydraulic Rear Disc Brake
The hydraulic rear brake gives the current Plus platform a more consistent braking system than the cable-operated brakes used on original Mini models.
Larger Off-Road Tires
The Mini XRX-R+ uses the larger tire package shared with the Mini XRX+, helping it roll through grass, dirt and ordinary uneven ground more comfortably than the smaller-tire XRS+.
Five-Point Harnesses
Both seats use adjustable five-point harnesses. They should be adjusted snugly for each rider before every ride.
Headlights and Horn
LED headlights and a horn add practical convenience and help the XRX-R+ feel like a complete youth powersports machine.
Why Reverse Makes a Noticeable Difference
Reverse does not make the kart faster, but it can make the entire ownership experience easier. Young drivers often stop too close to a tree, drive into a corner, miss a turn on a trail or park inside a building with no room to continue forward.
Without reverse, an adult usually has to walk over and move the kart. With reverse, the rider can come to a complete stop, select reverse, look behind and slowly back out under supervision.
What You'll Notice the First Time You Drive It
The first thing many riders notice is that the Mini XRX-R+ is straightforward to operate. Electric start removes the struggle of routine pull starting, the automatic drive system lets the child focus on steering and braking, and the adjustable governor allows the adult to begin at a controlled pace.
Parents often notice the independence reverse provides. Instead of every wrong turn ending with an adult moving the kart, the child can learn to stop, think and correct the position.
This is still a real gasoline-powered go-kart, not a battery-powered toy. It requires supervision, safety gear, a controlled riding area and routine maintenance.
Ride Experience and Appropriate Terrain
The Mini XRX-R+ is best suited to relatively smooth grass, dirt, gravel and maintained trails. Full suspension and the larger tire package help with ordinary bumps, but the Mini chassis is not designed for deep mud, large rocks, steep terrain, jumps or aggressive adult riding.
Rack-and-pinion steering provides predictable response, while the live rear axle delivers power to both rear wheels. Beginning riders should start in a large, open area before moving to tighter spaces where reverse is more likely to be used.
How the Mini XRX-R Platform Changed
Legacy model note: The original Mini XRX-R belonged to the pre-Plus Mini series. Those earlier machines used a narrower rear axle, smaller knobby tires, cable-operated braking and three-point restraints.
The Mini XRX-R+ moved to the wider Plus axle, larger off-road tires, hydraulic rear braking and five-point harnesses. Earlier Plus machines used the older 5.5 HP engine package. Current production uses the 7 HP engine introduced for the 2024 model year.
GoKartMasters supports both legacy and current machines. Owners should identify whether they have an original Mini XRX-R, an earlier 5.5 HP Mini XRX-R+ or a current 7 HP Mini XRX-R+ before ordering engine, reverse, brake, axle, wheel or electrical parts.
Mini XRX-R+ Compared With Other TrailMaster Mini Models
The right model is the one whose features match your riding area and budget—not automatically the one with the longest feature list.
Mini XRS+
- Pull start
- Smaller knobby tires
- Hydraulic rear brake
- Lap belts
- No reverse
Choose it for: The simplest, most budget-conscious entry into the Mini lineup.
Mini XRX+
- Electric start with pull backup
- Remote shutoff, headlights and horn
- Larger off-road tires
- Five-point harnesses
- No reverse
Choose it for: The convenience package when your riding area is open enough that reverse is unlikely to matter.
Mini XRX-R+
- Electric start with pull backup
- Remote shutoff, headlights and horn
- Larger off-road tires
- Five-point harnesses
- Forward and reverse
Choose it for: The easiest Mini to maneuver in tighter riding areas and around everyday obstacles.
Freight Delivery and Final Assembly
The Mini XRX-R+ ships in a factory crate and requires final assembly, fluid checks, adjustment and a complete pre-ride inspection before operation. Freight procedures and included components can change, so review current GoKartMasters ordering and delivery information before purchasing.
Inspect Before Signing
- Inspect all sides of the crate before the driver leaves.
- Photograph the crate, labels and any visible damage.
- Write visible damage on the delivery receipt before signing.
- Keep the crate and packaging until assembly and inspection are complete.
Typical Assembly Areas
Factory setup instructions may include installation or final attachment of suspension components, wheels, seats, cage sections, steering wheel, battery, flag and exhaust guard. Assemble the current unit according to the instructions supplied with that shipment—not solely from an older manual or online video.
GoKartMasters Verified Mini XRX-R+ Specifications
| Engine | 163cc, 4-stroke, single-cylinder, air-cooled; approximately 7 HP |
|---|---|
| Starting system | Electric start with pull-start backup |
| Transmission | Automatic forward drive with reverse |
| Reverse | Yes |
| Drive system | Chain drive, live rear axle / dual-wheel drive |
| Steering | Rack and pinion |
| Brakes | Hydraulic rear disc; no front brake |
| Suspension | Dual A-arm front suspension; rear swingarm with oil-damped shocks |
| Front tires | 145/70-6 |
| Rear tires | 16 x 8-7 |
| Restraints | Five-point harnesses for both seats |
| Parent controls | Adjustable throttle governor and wireless remote engine shutoff |
| Lighting and horn | LED headlights and horn |
| Maximum speed | Approximately 13 mph; governor can reduce available throttle |
| Recommended rider range | GoKartMasters generally recommends approximately ages 4-10; verify actual reach and fit |
| Seat and pedals | Sliding seat and adjustable pedals |
| Battery | 12V, 9Ah |
| Fuel capacity | Approximately 1.2 gallons |
| Assembly | Final assembly, setup and pre-ride inspection required |
GoKartMasters publishes specifications based on current machines sold by the dealership when factory literature conflicts with current production. Components can change during production. Confirm any measurement or component that is critical to your purchase.
Maintenance and OEM Parts Support
The Mini XRX-R+ is a real gasoline-powered machine and requires routine inspection and maintenance. Follow the current owner's manual for engine oil, air filter, spark plug, chain, fasteners, brakes, tires, controls, battery and reverse-system operation.
GoKartMasters stocks replacement parts for legacy 5.5 HP and current 7 HP Mini versions. Confirm the production version before ordering engine, reverse, brake, axle, wheel or electrical components.
Shop Mini XRX family replacement parts or visit the GoKartMasters Academy for maintenance tutorials.
Common Questions About the Mini XRX-R+
Does the Mini XRX-R+ have reverse?
Yes. Reverse is the primary feature that separates the Mini XRX-R+ from the Mini XRX+.
How should a child use reverse?
The rider should come to a complete stop, select reverse deliberately, look behind and back slowly under adult supervision. Do not change direction while the kart is moving.
Does reverse require a clutch pedal?
No clutch pedal is used during ordinary operation. The rider selects the intended direction only after the kart has stopped.
Does it have electric start?
Yes. It has keyed electric start and a pull starter that can be used as a backup.
Can a parent shut it off remotely?
Yes. The Mini XRX-R+ includes a wireless remote engine-shutoff system. It is an additional control, not a substitute for supervision or speed adjustment.
What age is the Mini XRX-R+ for?
GoKartMasters generally recommends it for children approximately 4-10 years old. Fit depends on pedal reach, steering reach, size, judgment and experience.
How fast does it go?
Top speed is approximately 13 mph. The adjustable governor allows an adult to reduce available throttle for a beginning rider.
Can an adult ride the Mini XRX-R+?
It is a youth-size chassis. An adult may not have safe pedal, steering or seating clearance even when a published load figure appears sufficient. Choose by actual rider fit, not weight capacity alone.
Why Purchase from GoKartMasters?
TrailMaster Experience
Our family has approximately 20 years of TrailMaster experience and has sold more than 5,000 machines.
Honest Model Guidance
We help families compare rider fit, reverse, starting systems and terrain instead of automatically steering them toward the most expensive model.
OEM Parts Support
We stock TrailMaster replacement parts and support current and legacy Mini versions.
Ownership Resources
GoKartMasters Academy videos, manuals, parts help and technical-support options remain available after delivery.
Need Reverse in a Youth-Size Go-Kart?
Choose the Mini XRX-R+ when your child will ride around obstacles or in smaller areas where backing up is likely to be part of every ride.
Ask the GoKartMasters Sales Team Compare With the Mini XRX+Dealer recommendations reflect GoKartMasters experience and do not replace the owner's manual. Specifications should be rechecked against current inventory before publication and whenever TrailMaster changes production.
*******
Other Details
What Happens After You Order?
- The Mini XRX-R+ ships in a factory crate by freight carrier.
- Inspect and photograph every side of the crate before signing for delivery.
- Write any visible damage on the delivery receipt before the driver leaves.
- Keep the crate and packaging until assembly and inspection are complete.
- Final assembly, adjustment, fluid checks and a complete pre-ride inspection are required.
- Use the instructions supplied with the current shipment because components can change during production.
Mini XRX-R+ Owner Resources
Current Production and Legacy Mini XRX-R Versions
The original Mini XRX-R was part of the pre-Plus Mini series and used a narrower rear axle, smaller knobby tires, cable-operated brakes and three-point restraints.
The Mini XRX-R+ uses the wider Plus axle, larger off-road tires, a hydraulic rear brake and five-point harnesses. Earlier Plus models used the 5.5 HP engine; current production uses the 7 HP engine introduced for the 2024 model year.
Reverse Operation
Teach the rider to come to a complete stop before changing between forward and reverse. The rider should look behind, back slowly and remain under direct adult supervision while learning.
Follow the current owner's manual for direction selection, adjustment and maintenance of the reverse system. Do not rely solely on instructions for an older production version.
Why Families Choose GoKartMasters
- Approximately 20 years of TrailMaster experience
- More than 5,000 TrailMaster machines sold
- OEM TrailMaster replacement-parts support
- Support for current and legacy Mini versions
- Model-specific assembly and ownership resources
- Real help comparing rider fit, reverse, terrain and budget
Need Help Before Ordering?
Tell us the rider's age, height and expected riding area. We will help compare the Mini XRS+, Mini XRX+ and Mini XRX-R+ based on actual fit and the features your family is likely to use.
Ask the GoKartMasters sales team about rider fit and model choice.
What Happens After You Order?
- The Mini XRX-R+ ships in a factory crate by freight carrier.
- Inspect and photograph every side of the crate before signing for delivery.
- Write any visible damage on the delivery receipt before the driver leaves.
- Keep the crate and packaging until assembly and inspection are complete.
- Final assembly, adjustment, fluid checks and a complete pre-ride inspection are required.
- Use the instructions supplied with the current shipment because components can change during production.
Mini XRX-R+ Owner Resources
Current Production and Legacy Mini XRX-R Versions
The original Mini XRX-R was part of the pre-Plus Mini series and used a narrower rear axle, smaller knobby tires, cable-operated brakes and three-point restraints.
The Mini XRX-R+ uses the wider Plus axle, larger off-road tires, a hydraulic rear brake and five-point harnesses. Earlier Plus models used the 5.5 HP engine; current production uses the 7 HP engine introduced for the 2024 model year.
Reverse Operation
Teach the rider to come to a complete stop before changing between forward and reverse. The rider should look behind, back slowly and remain under direct adult supervision while learning.
Follow the current owner's manual for direction selection, adjustment and maintenance of the reverse system. Do not rely solely on instructions for an older production version.
Why Families Choose GoKartMasters
- Approximately 20 years of TrailMaster experience
- More than 5,000 TrailMaster machines sold
- OEM TrailMaster replacement-parts support
- Support for current and legacy Mini versions
- Model-specific assembly and ownership resources
- Real help comparing rider fit, reverse, terrain and budget
Need Help Before Ordering?
Tell us the rider's age, height and expected riding area. We will help compare the Mini XRS+, Mini XRX+ and Mini XRX-R+ based on actual fit and the features your family is likely to use.
Ask the GoKartMasters sales team about rider fit and model choice.
What Happens After You Order?
- The Mini XRX-R+ ships in a factory crate by freight carrier.
- Inspect and photograph every side of the crate before signing for delivery.
- Write any visible damage on the delivery receipt before the driver leaves.
- Keep the crate and packaging until assembly and inspection are complete.
- Final assembly, adjustment, fluid checks and a complete pre-ride inspection are required.
- Use the instructions supplied with the current shipment because components can change during production.
Mini XRX-R+ Owner Resources
Current Production and Legacy Mini XRX-R Versions
The original Mini XRX-R was part of the pre-Plus Mini series and used a narrower rear axle, smaller knobby tires, cable-operated brakes and three-point restraints.
The Mini XRX-R+ uses the wider Plus axle, larger off-road tires, a hydraulic rear brake and five-point harnesses. Earlier Plus models used the 5.5 HP engine; current production uses the 7 HP engine introduced for the 2024 model year.
Reverse Operation
Teach the rider to come to a complete stop before changing between forward and reverse. The rider should look behind, back slowly and remain under direct adult supervision while learning.
Follow the current owner's manual for direction selection, adjustment and maintenance of the reverse system. Do not rely solely on instructions for an older production version.
Why Families Choose GoKartMasters
- Approximately 20 years of TrailMaster experience
- More than 5,000 TrailMaster machines sold
- OEM TrailMaster replacement-parts support
- Support for current and legacy Mini versions
- Model-specific assembly and ownership resources
- Real help comparing rider fit, reverse, terrain and budget
Need Help Before Ordering?
Tell us the rider's age, height and expected riding area. We will help compare the Mini XRS+, Mini XRX+ and Mini XRX-R+ based on actual fit and the features your family is likely to use.
Ask the GoKartMasters sales team about rider fit and model choice.
What Happens After You Order?
- The Mini XRX-R+ ships in a factory crate by freight carrier.
- Inspect and photograph every side of the crate before signing for delivery.
- Write any visible damage on the delivery receipt before the driver leaves.
- Keep the crate and packaging until assembly and inspection are complete.
- Final assembly, adjustment, fluid checks and a complete pre-ride inspection are required.
- Use the instructions supplied with the current shipment because components can change during production.
Mini XRX-R+ Owner Resources
Current Production and Legacy Mini XRX-R Versions
The original Mini XRX-R was part of the pre-Plus Mini series and used a narrower rear axle, smaller knobby tires, cable-operated brakes and three-point restraints.
The Mini XRX-R+ uses the wider Plus axle, larger off-road tires, a hydraulic rear brake and five-point harnesses. Earlier Plus models used the 5.5 HP engine; current production uses the 7 HP engine introduced for the 2024 model year.
Reverse Operation
Teach the rider to come to a complete stop before changing between forward and reverse. The rider should look behind, back slowly and remain under direct adult supervision while learning.
Follow the current owner's manual for direction selection, adjustment and maintenance of the reverse system. Do not rely solely on instructions for an older production version.
Why Families Choose GoKartMasters
- Approximately 20 years of TrailMaster experience
- More than 5,000 TrailMaster machines sold
- OEM TrailMaster replacement-parts support
- Support for current and legacy Mini versions
- Model-specific assembly and ownership resources
- Real help comparing rider fit, reverse, terrain and budget
Need Help Before Ordering?
Tell us the rider's age, height and expected riding area. We will help compare the Mini XRS+, Mini XRX+ and Mini XRX-R+ based on actual fit and the features your family is likely to use.
Ask the GoKartMasters sales team about rider fit and model choice.
What Happens After You Order?
- The Mini XRX-R+ ships in a factory crate by freight carrier.
- Inspect and photograph every side of the crate before signing for delivery.
- Write any visible damage on the delivery receipt before the driver leaves.
- Keep the crate and packaging until assembly and inspection are complete.
- Final assembly, adjustment, fluid checks and a complete pre-ride inspection are required.
- Use the instructions supplied with the current shipment because components can change during production.
Mini XRX-R+ Owner Resources
Current Production and Legacy Mini XRX-R Versions
The original Mini XRX-R was part of the pre-Plus Mini series and used a narrower rear axle, smaller knobby tires, cable-operated brakes and three-point restraints.
The Mini XRX-R+ uses the wider Plus axle, larger off-road tires, a hydraulic rear brake and five-point harnesses. Earlier Plus models used the 5.5 HP engine; current production uses the 7 HP engine introduced for the 2024 model year.
Reverse Operation
Teach the rider to come to a complete stop before changing between forward and reverse. The rider should look behind, back slowly and remain under direct adult supervision while learning.
Follow the current owner's manual for direction selection, adjustment and maintenance of the reverse system. Do not rely solely on instructions for an older production version.
Why Families Choose GoKartMasters
- Approximately 20 years of TrailMaster experience
- More than 5,000 TrailMaster machines sold
- OEM TrailMaster replacement-parts support
- Support for current and legacy Mini versions
- Model-specific assembly and ownership resources
- Real help comparing rider fit, reverse, terrain and budget
Need Help Before Ordering?
Tell us the rider's age, height and expected riding area. We will help compare the Mini XRS+, Mini XRX+ and Mini XRX-R+ based on actual fit and the features your family is likely to use.
Ask the GoKartMasters sales team about rider fit and model choice.
Product Videos
Videos Hide Videos Show Videos
-
Can a 4 Year Old Drive a Go Kart? First Time in a TrailMaster Mini XRX
Can a 4 year old really drive a go kart safely? In this video,...
-
TrailMaster Mini XRS vs Mini XRX — What’s the Difference?
Trying to decide between the TrailMaster Mini XRS and Mini XRX...
-
Trailmaster Mini XRX and Mini XRX-R Assembly | Expert How To | 2026 go kart build
Learn how to assemble a TrailMaster Mini XRX, Mini XRS, or Min...
-
First Time on a Go Kart? Here's What You Need to Know
Just got a TrailMaster Mini XRX or Mini XRX-R and want to lear...
Custom Field
Product Reviews
3 Reviews Hide Reviews Show Reviews
-
Mini XRX/R Go Kart
Exactly what I expected and we are excited to have some good times with it.
-
MINI XRX/R+
Great little go kart, our kids enjoy it every time we take it out.
-
Great customer service and fast shipping thanks
Awesome thanks!
