"The bike is pretty nice for the price. After unboxing I noticed some decals got ruined. Once it was fully assembled and I started it I noticed the rear rim is bent. I'm currently in the process of a warranty claim. If they won't warranty the wheel I will have to purchase one. Another small issue is the bars are not perfect. A little bent and don't fit in the saddles all the way. Other than that it's not a bad purchase. Engine bolts have oxidation and rust like the engine sat around in a humid environment."
This merchandise cannot be sold to:CA.
SYX MOTO VK 58cc 4-Stroke Off-Road Mini Ride-On for Kids – Pull Start, 2.0HP, Fully Automatic
SYX MOTO VK 58cc 4-Stroke Off-Road Mini Ride-On for Kids – Pull Start, 2.0HP, Fully Automatic
Gas Powered 2.0HP Powerful Pit Bike Fully Automatically
4.6 / 5.0
(132) 132 total reviews
Shipping Fee: $99.99
Couldn't load pickup availability
Shipping Notice
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
Restricted Areas
This merchandise cannot be sold to:CA.
Specifications
Specifications
| OVERVIEWS |
|
| MODEL NUMBER AND NAME | VK |
| TOP DESIGNED SPEED | 21.75 mph / 35 km/h |
| MAX RANGE | 62 mi /100 km |
| MAX LOAD | 143lbs /65 kg |
| RECOMMENDED USER AGE | riders 12 years old and older |
|
ENGINE |
|
| ENGINE TYPE | 57.6cc,4 stroke, single cycliner, air cooler, pull start |
| DISPLACEMENT | 57.6cc |
| BORE*STROKE | 43.8X38.2mm |
| COMPRESSION RATE | / |
| STARTING MODE | Pull start |
| IDLE SPEED | 3000±200 R/Min |
| SPARK PLUG TYPE | A7TC |
| FUEL GRADE | 87# |
| LUBRICATION TYPE | Splash lubrication |
| CARBURETOR TYPE | JK |
| AIR FILTER | Plastic air filter |
| COOLING TYPE | Air Cooled |
|
TRANSMISSION |
|
| TRANSMISSION TYPE | Infinitely variable speeds |
| NUMBER OF SPEEDS | / |
| DRIVE MODE | Chain |
|
CHASSIS |
|
| FRAME | 195 # steel pipe fully enclosed |
| HANDLE BAR | Steel |
| TRIPLE CLAMP | Cast aluminum Triple clamp |
| SWING ARM | Steel 345mm |
| FOOTPEGS | Steel |
| MUFFLER TYPE | High temperature black tube black tube |
| CHAIN | T8F 124L |
| SPROKETS | 11/54 |
| AXLE BASE | 830MM/32.67INCH |
| WHEEL BASE | 440MM/17.32INCH |
| GROUND CLEARANCE | 240MM/9.44INCH |
| TURNING CIRCLE DIAMETER | ±35° |
| SEAT HEIGHT | 615MM/24.20INCH |
| HANDLEBAR HEIGHT | 785MM/30.91INCH |
|
BRAKE & SUSPENSIONS |
|
| BRAKE OPERATION MODE-FRONT | Disc |
| BRAKE OPERATION MODE-REAR | Disc |
| SHOCK ABSORBER-FRONT | Inverted |
| SHOCK ABSORBER-REAR | Inner oIl press |
| TYRE TYPE-FRONT | 2.50-10 |
| TYRE TYPE-REAR | 2.50-10 |
| TYRE PRESSURE-FRONT | 248 |
| TYRE PRESSURE-REAR | 248 |
| RIM TYPE-FRONT | 1.4-10 Integral aluminum rim |
| RIM TYPE-REAR | 1.4-10 Integral aluminum rim |
|
DIMENSIONS |
|
| FUEL TANK CAPACITY | 2.1L/0.55 US Gallon |
| FUEL COMSUMPTION | / |
| BIKE SIZE - LENGTH | 48.4 in / 123cm |
| BIKE SIZE - WIDTH | 21.7 in / 55cm |
| BIKE SIZE - HEIGHT | 31.5 in / 80cm |
| PACKING SIZE - LENGTH | 42.5 in / 108cm |
| PACKING SIZE - WIDTH | 13.0 in / 33cm |
| PACKING SIZE - HEIGHT | 22.4 in / 57cm |
| DRY WEIGHT | 26.4KG/58.2LBS |
| WET WEIGHT | 30.4KG/67.0LBS |
| SHIPPING WEIGHT | 31.2KG/68.8LBS |
| CURB WEIGHT | 32.5KG/71.7LBS |
Model Number
Model Number
VK
Warranty Policy
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 one (1) year.
Parts are covered under warranty to be free from manufacturer defects for one (1) month.
Policy Link:Warranty Policy
SYX MOTO VK 58cc 4-Stroke Mini Dirt Bike – Real Power for Young Riders
Give your young rider the ultimate introduction to off-road excitement! The SYX MOTO VK is a premium 58cc (57.6cc precise displacement) 4-stroke mini dirt bike engineered for kids who are ready to start their outdoor riding adventure.
Unlike generic electric toys, this mini ride-on features a real 4-stroke automatic engine that delivers authentic motocross performance. It hits a thrilling yet manageable top speed of 21.75 mph (35 km/h), making it the perfect beginner-friendly launchpad for outdoor confidence.
🌟 Why Choose the 4-Stroke VK Over 2-Stroke Bikes?
No Messy Fuel Mixing: Runs on standard 87# pure gasoline. No more manual oil-and-gas mixing equations.
Massive 62-Mile Range: Equipped with a 0.55 US Gallon (2.1L) fuel tank, this ultra-efficient 4-stroke engine delivers a max range of up to 62 miles (100 km) per fill-up—hours of uninterrupted backyard fun!
Smoother & Quieter: Features a single-cylinder, air-cooled engine with a stable 3000±200 R/Min idle speed for predictable power delivery.
EPA Approved: Meets strict standards for environmental compliance and fuel efficiency.
True Purpose-Built Off-Road Engine (Not a Lawnmower Motor): This isn't just a toy—it's a real machine. While standard mini bikes repurpose shaking, loud industrial utility engines (like those found on lawnmowers), our bike features a genuine 58cc 4-stroke motorcycle engine engineered exclusively for powersports. With a specialized vertical cylinder and premium cooling fins, it delivers incredibly smooth acceleration, less noise, and the rock-solid durability needed to handle real off-road tracks.
🛡️ Beginner-Friendly Safety & Premium Chassis
Safety and stability are built into the backbone of the VK. Constructed with a heavy-duty 195# fully enclosed steel pipe frame, it is designed to support up to 143 lbs (65 kg):
Speed Governor & Kill Switch: Easily dial down the 21.75 mph top speed to match your child's learning pace.
Pro-Level Stopping Power: Reliable front and rear mechanical disc brakes coupled with short-distance handles for immediate braking.
Advanced Suspension: Features premium inverted front shocks and an inner oil pressure rear shock absorber to smoothly damp bumps on uneven trails.
Training Wheel Ready for Learning Riders: Easily install training wheels (sold separately) to offer maximum stability for true beginners. As your rider grows and masters their balance, simply swap out the training wheels and reattach the full chain guard for advanced trail riding. It’s the ultimate transitional setup engineered to grow with your child's skills.
📏 Perfect Sizing & Easy Maintenance for Parents
Designed with practical kid ergonomics and easy parental maintenance in mind:
The Perfect Fit: Features a comfortable 24.20-inch (615mm) seat height and a 30.91-inch (785mm) handlebar height, ideal for riders aged 12+ to plant their feet firmly when stopped.
Lightweight Yet Rugged: With a dry weight of just 58.2 lbs (26.4 kg), it's easy for kids to handle and nimble enough for tight turns ($\pm35^\circ$ turning circle).
Engine Protection: A high-temperature black muffler tube and dedicated small plastic air filter fenders protect the J K carburetor from mud, minimizing cleanup time.
Tough Wheels: Heavy-duty 10-inch (2.50-10) tires mounted on integral aluminum rims provide superior traction and zero rust.
📦 85% Pre-Assembled & Quick Setup
Skip the assembly headache. This bike arrives 85% built in a compact package (42.5" x 13.0" x 22.4"), making it easy to unbox. Just install the rear shock absorber, front wheel, handlebar, and fender—and they are ready to ride!
Required Engine Oil: 15W/30 (L-HM 68#) – Requires 100ml of oil before the very first ride.
Spark Plug Type: A7TC (Standard, easy to find replacements)
⚠️ IMPORTANT SHIPPING & SAFETY NOTE
California Residents: Due to state regulations, this item cannot be sold or shipped to addresses in California.
Safety First: Always ensure riders wear a helmet and appropriate protective gear during outdoor activities.
Wear & Tear: The pull start is a consumable part. Extra pull starts are available on our store.
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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VK's Resources
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Overall rating: 4.621212 / 5 from 132 reviews.
AI Generated Review Summary
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Review highlights
Reviews
WTF. . . Is this real life????
"This bike rips!!! I bought it FOR MY SELF, 210 lbs man, and it moves me around great! so great my neighbor bought one too(also a grown man) we are starting a biker gang now! Bike started on the first pull, and still runs great! 100% the best thing I have bought all year!!! HIGHLY RECCOMEND. . . your kids would like it too. . ."
— WES C. (5/5)
Good
"Good"
— Bernard H. (5/5)
Worth it!
"It’s been running since we unboxed it. Kids absolutely love it. On a side note: Foot pegs need to be connected at the bottom to prevent bending in."
— SAMUEL G. (5/5)
"I don’t just like this product, but I LOVE it! My 7 year old has been riding the past two days, since we recieved it. It’s Chicago in March haha, 30 degrees out. And he is LOVING IT! Thanks guys for making a super affordable bike that was SUPER easy to set up, and so wondeful to watch my aon enjoy. Thank you SYX MOTO! You are the GO TO! JR"
— Joseph (5/5)
"Got this for our son for our son for Christmas, he rode it three or four times and ended up falling over on it, The arms going into the front wheel got bent so we bought replacements replaced it, he rode it for about 45 minutes the other day and then today has been riding it for about 10 to 15 minutes laid it over in some leaves and the arms are bent again. Do not recommend."
— Nikki (1/5)
Syxmoto 58cc dirtbike
"Excellent product. Fast shipping. Easy to put together with great instructions."
— Jamarco C. (5/5)
"Great little beginner bike. My son rides this dirtbike hard too."
— David (5/5)
"Very cheap product not worth the money"
— Edward (1/5)
"awesome"
— Derek (5/5)
Q&A
Questions & Answers
Have a Question?
-
They don't sell 15w30 oil. What oil do people use 10w30?
Yes, 10w30 works for it.
-
Can this bike get fixed to go faster that 21mh?
Nope. The speed cannot be adjusted.
-
Does the vk 58cc model have a chassis or engine number?
Yes, it have an engine number and VIN number.
-
Does it come with oil?
Yes, it comes with oil. However, you will need to check it before starting. Check our YouTube channel for how to starting: https://youtu.be/PiONpGlkoDk?si=6ptBm9UlZGaPFKTx
-
How many pounds does it hold up to?
143 lbs
-
What kind of oil do I use for my syx Moto 58cc 4 stroke dirt bike
Dear Valued Customer,
The oil grade is 15W/30(L-HM 68#).
The capacity is 110ml (3.7ounce) .
Have a nice day. -
How much oil does hold? Manual does not say
Dear Valued Customer,
The capacity of the oil is 110 ml /3.7 ounce.
Have a nice day. -
Can you lower these bikes if needed?
No, it cannot be lowered.
-
Do I need to add oil to the motor? Just got it and the oil is barely up on the dipstick. If so, what kind of oil do you recommend? Thanks
Please check the instructions here: https://support.syxmoto.com/a/solutions/articles/66000517700?portalId=66000044229
-
Is there training wheel kit that will fit this bike?
No, we do not have them selling right now.
-
Is this compatible with the training wheels this company sells? According to description it is compatible but the on the training wheels description this bike is listed as non compatible
It is not compatible. The training wheel mentioned in the VK product description is not the training wheels selling in our store.
-
Can I order a new pull starter for my syx moto
Please contact parts@syxmoto.com and our customer service will guide you to purchase.
-
Can I order a new pull starter for this specific bike. The replacement part on the website is not the same
Yes, please send an email to parts@syxmoto.com. They will guide to purchase one.
Parts for VK
-
SYX MOTO Pull Starter for VK 58cc Mini Dirt Bike – Fits Pre or Post April 20, 2026 (Choose Version)
Regular price $16.50 USDRegular priceUnit price / per$39.00 USDSale price $16.50 USDSale -
SYX MOTO Handblebar Replacement Parts for VK 58cc Dirt Bike
Regular price From $1.70 USDRegular priceUnit price / per$88.00 USDSale price From $1.70 USDSale -
SYX MOTO VK Carburetor Replacement Parts for VK 58cc Pro Mini Dirt Bike
Regular price $39.90 USDRegular priceUnit price / per$69.90 USDSale price $39.90 USDSale -
SYX MOTO Clutch Transmission Gear Box for VK 58cc Pro Mini Dirt Bike Parts and Accessories Replacement
Regular price From $22.50 USDRegular priceUnit price / perSale price From $22.50 USD