This merchandise cannot be sold to:CA.

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SYX MOTO MK 40cc 4-Stroke Pull Start Mini Ride-On for Kids – Automatic Transmission

Name: SYX MOTO MK 40cc 4-Stroke Pull Start Mini Ride-On for Kids – Automatic Transmission
Brand: MK
SKU: MK-BLU
Price: 299.0 USD
Availability: InStock

40cc 4-Stroke Kids Ride-On - Automatic Pull Start

$299.00 USD

~~$899.00 USD~~ $299.00 USD

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Shipping fee calculated at checkout.

Shipping Fee: $99.99

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Shipping Notice

1. This product ships to 47 Continental States in the USA. Please note that this model is not CA legal. So we do NOT ship it to CA.

2. Receiving time = Processing time + Shipping time.

Processing: usually 1-2 business days.

Shipping time: usually 1-5 days.

Restricted Areas

This merchandise cannot be sold to:CA.

Specifications

OVERVIEWS
MODEL NUMBER AND NAME	KXD708B-1(MK40)
TOP DESIGNED SPEED	18.64 mph (30KM/H)
MAX RANGE	15.53 miles (25KM)
MAX LOAD	132 LBS (60KG)
RECOMMENDED USER AGE	12+ years old
ENGINE
ENGINE TYPE	40cc, single cylinder, 4 stroke, air cooled, downward cam, vertical, pull start
DISPLACEMENT	38.95 cc
BORE*STROKE	40mm
COMPRESSION RATE	9.6:1
STARTING MODE	Pull Start
IDLE SPEED	3000±150 rpmz
SPARK PLUG TYPE	CM7H
FUEL GRADE	≥90#
LUBRICATION TYPE	Negative pressure splash lubrication
LUBRICATION OIL GRADE	SF 10W/30 or equivalent model
CARBURETOR TYPE	Engine dedicated
AIR FILTER	Sponge
COOLING TYPE	Air Cooled
TRANSMISSION
TRANSMISSION TYPE	Automatic
NUMBER OF SPEEDS	No gear
DRIVE MODE	Chain
CHASSIS
FRAME	Iron
HANDLE BAR	Iron
TRIPLE CLAMP	aluminum
SWING ARM	Iron plate forming
FOOTPEGS	Iron
MUFFLER TYPE	Engine with exhaust, front exhaust
CHAIN	T8F 140L

WHEEL BASE	32.3 inches (820mm)
GROUND CLEARANCE	7.9 inches (200mm)
TURNING CIRCLE DIAMETER	51.2 inches (1300mm)
SEAT HEIGHT	23.6 inches (600mm)
HANDLEBAR HEIGHT	29.9 inches (760mm)
BRAKE & SUSPENSIONS
BRAKE OPERATION MODE	Front and rear mechnicial disc brakes
SHOCK ABSORBER-FRONT LENGTH	530mm
SHOCK ABSORBER-REAR LENGTH	8x190mm
TYRE TYPE-FRONT	2.50-10
TYRE TYPE-REAR	2.50-10
RIM TYPE-FRONT	aluminum/Black
RIM TYPE-REAR	aluminum/Black

DIMENSIONS
FUEL TANK CAPACITY	0.27 US Gallon (1.0L)
BIKE SIZE	48.43 x 23.62 x 31.50 inches (1230x600x800mm)
PACKING SIZE	42.13 x 11.81 x 21.46 inches (1070x300x545mm)
DRY WEIGHT	49.6 LBS (22.5KG)
WET WEIGHT	51.4 LBS (23.3KG)
SHIPPING WEIGHT	59.5 LBS (27KG)
CURB WEIGHT	183.6 LBS (83.3KG)

Model Number

Warranty Policy

We warranty the products to be free of material defects in workmanship for the warranty period from the date your product is delivered. Damages on Arrival shall be notified WITHIN 3 BUSINESS DAYS UPON DELIVERED.

Engine is covered to be free from manufacturer defect for three (3) months.

Parts are covered under warranty to be free from manufacturer defects for one (1) month.

Policy Link:Warranty Policy

Beginner-Friendly Operation: Fully automatic transmission – no clutch or manual shifting. Just pull start and go. Perfect for kids learning to ride.
Safer for Young Riders: Includes a speed governor, kill switch, and front & rear disc brakes. Small brake levers are easy for kids to grip and control.
Easy-Start 4-Stroke Engine: No oil mixing required. The exhaust is designed for quieter operation than traditional 4-stroke engines.
Durable Iron Gas Tank: Built to withstand impacts from accidental falls, keeping fuel secure during outdoor adventures on private property.
Off-Road Ready: 10-inch wheels handle grass, dirt, and uneven trails with ease. Expands your child’s outdoor riding possibilities.
EPA Approved: Meets environmental standards for quiet, fuel-efficient operation. Long engine life for years of outdoor sport fun.

The SYX MOTO MK is a 40cc 4‑stroke mini ride‑on designed specifically for kids who want to start their off‑road adventure on private property or designated trails. With an automatic transmission and simple pull‑start, beginners can focus on balance and steering – no clutch or manual shifting required.

Adult supervision required for children under age 16. Always wear a DOT-compliant helmet, goggles, long sleeves, long pants, over-the-ankle boots, and gloves. This vehicle is intended for off-road recreational use only.Not street legal. Check local laws before operating.

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MK's Resources

Owner' Manual
Manual for MK 40cc 4 Stroke Dirt Bike
Read
How to Assemble
How to Assemble MK 40cc 4 Stroke Dirt Bike
View the video
How to Start
How to Start MK 40cc 4 Stroke Dirt Bike
View the video

Questions & Answers

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Can it be equipped with training wheels

Yes. You can order the training wheels here: https://syxmoto.com/products/syxmoto-kids-dirt-bike-training-wheel?_pos=1&_sid=7f1a6f08d&_ss=r
Does it come with oil in the engine or do I need to add it?

Hi, it does come with oil in the engine. But I suggest you checking it before starting. See the notes before starting the bike: https://youtu.be/gB7Vl2Zx0dI?si=-Jrmt3f6etJo9-Zf

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SYX MOTO MK 40cc 4-Stroke Pull Start Mini Ride-On for Kids – Automatic Transmission