What age is the FRP MB40 40cc mini bike recommended for?

The FRP MB40 is recommended for kids ages 6 and up. The 40cc 4-stroke engine, automatic clutch, and kill switch make it the most beginner-friendly gas mini bike in the FRP lineup. Adult supervision is required at all times for riders under 14.

How fast does the FRP MB40 go?

The FRP MB40 reaches a maximum speed of 18 MPH on flat, hard terrain. Actual speed varies with rider weight and terrain. For reference, the MB40 is significantly slower than the GMB100 (28 MPH) — which is intentional for younger, less experienced riders.

Does my child need prior riding experience for the MB40?

No prior experience is required for the MB40, but it is strongly recommended. The automatic clutch means no manual gear shifting — just throttle and brake. For a child's very first powered riding experience, starting with a balance bike or electric ride-on first will make the transition to the MB40 much safer and more enjoyable.

What safety gear does my child need for the FRP MB40?

Required safety gear for the FRP MB40: (1) DOT-certified full-face helmet — mandatory. (2) Gloves. (3) Knee and elbow pads. (4) Closed-toe shoes — no sandals or flip-flops. (5) Long pants. For younger riders, a chest protector and neck brace are also recommended. Adult supervision is required at all times.

When should my child move up from the MB40 to the GMB100?

Consider moving up to the GMB100 when your child: (1) consistently rides the MB40 at full throttle with confident control, (2) is approaching the MB40 weight limit of 165 lbs, (3) is age 13 or older with at least one full riding season on the MB40. Do not move to the GMB100 until the rider can reliably use the brakes, look ahead, and adjust speed on their own.

Where can my child ride the FRP MB40?

The FRP MB40 is for private property use only. It is not street legal. Appropriate locations include private backyards, farms, open fields, and private off-road areas. It is not available for sale in California. Always ride away from traffic, pedestrians, and public roads.

40cc Gas Mini Bike for Kids Ages 6+ | Kill Switch 165 lbs

Name: FRP Moto MB40 40cc Gas Mini Bike for Kids Ages 6+
Brand: FRP Moto
SKU: 8442590986393
Price: 239.99 USD
Availability: InStock
Rating: 4.5 (128 reviews)

FRP Moto MB40 40cc Gas Mini Bike for Kids Ages 6+

$239.99 USD

Color

Style

Basic

Max

Free Gift

gift 1

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Accessories

FRP Beginner Safety Starter Kit front view | frpmoto dirt bike parts replacement

Professional Protection Gloves

$13.99 USD

FRP Training Wheels

$59.99 USD

FRP Ride Essentials Bundle

$79.99 USD

Protective Neck Gaiter

$10.99 USD

FRP Handlebar Bag

$19.99 USD

Professional Riding Goggles

$16.99 USD

EPA Compliant

75-Day Warranty

Ships in 24 Hours

FedEx Home Delivery

Made for Real Use,
Not Just Looks

Greatness is measured in detail

A carefully selected set of core metrics designed to make learning to ride easier, safer, and more enjoyable.

Top Speed

18 mph

Engine

40cc 4-Stroke

Top Range

16 miles

Max Load

165 lbs

Fuel Tank Capacity

0.65L

THE RIGHT POWER

40CC 4-STROKE ENGINE

The MB40 features a hand pull start, a maximum range of 16 miles, a top speed of 18 mph, and supports a maximum load of 165 lbs.

RIDE WITHOUT FEAR

SAFETY BUILT RIGHT IN

The MB40 features an emergency kill switch, rear disc brakes for firm stopping, and an anti-scratch enclosure for fall protection.

CONQUER ANY TERRAIN

OFF-ROAD TIRES

MB40's rugged tires tackle any surface, letting kids explore more and enjoy every ride.

FAMILY ADVENTURES

THE PERFECT CHOICE

No mixing oil is needed, with lower noise and stronger power for enhanced performance.

Built Around How You Ride

Protect & Perform

Anti-Scratch Enclosure

Our anti-scratch engine armor shields kids from painful scrapes by covering sharp parts and shields your engine so your mini bike lasts for years.

Built Like a Tiny Tank

Sturdy Build Frame

Engineered with reinforced steel, the MB40 stays planted and stable, turning bumps into smooth rolls and sketchy paths into worry-free rides. Safety starts with strength.

Smoother Rides

Knobby Off-Road Tires

Engineered for tough terrain, MB40’s 110/50-6.5 Knobby Off-Road Tires grip loose surfaces like dirt, grass, gravel, mud, and trails with ease.Turn every backyard or trail into an off-road playground!

Stop Danger Instantly

Emergency kill switch

Kid Safe, Parent Calm.The MB40's Emergency Kill Switch gives total control – simply press the big red button and stop immediately.

Stop Strong, Stop Fast

Rear Disc Brake

Engineered for little adventurers, MB40’s Rear Disc Brake provides quick, reliable halts on any terrain.

Sporty Seat Cushion

Upgraded Padded Design

The FRP MB40 features a specially designed padded seat, offering exceptional comfort for extended rides.

Performance & Specs

View Manual

Technical Specifications

Top Speed

18 mph

Top Range

16 miles

Max Load

165 lbs

Fuel Type

Gasoline Only

Fuel Tank Capacity

0.65L

Engine

40cc 4-Stroke

Start Type

Pull Start

Brake Type

Disc Brake

Assembly

85% pre-assembled

Rear Oil Pipe Length

1200mm

Pump Installation Pitch

51mm

Safety System

Kill Switch

Certification

EPA Approved

Size Guide

More Information

IN THE BOX

- FRP MB40
- User manual
- Tools kits
- Fast shipping
- World-class customer service

SHIPPING

- We do not ship to US Protectorates, APO/FPO (AA, AE, and AP), and overseas.

- This product is NOT available in California due to California’s Proposition 65.

SUPPORT

Shop Parts: MB40 Parts

Return policy: 60 days free return

Downloads: User Manual

Amazon Reviews: FRP AMAZON STORE

SAFETY DISCLAIMER

This product is intended for proper use in safe and appropriate environments only. Dangerous riding behaviors such as wheelies or jumps are strictly prohibited. The company shall not be held liable for any injuries or damages resulting from improper use or handling of the product.