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MotoTec

MotoTec Demon Dirt Bike 40cc 4-Stroke Blue

  • Based on 210 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon
Arrives Wednesday, Oct 8
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Features

  • Product Note: Max speed and range per charge vary based on several factors, including: rider weight, riding surface, incline, ambient temperature, battery level, riding style (stop/start vs cruising), etc.
  • Gas Powered

Description

The MotoTec Demon 40cc 4-Stroke Kids Dirt Bike - The perfect kids starter dirt bike. The latest generation of 40cc mini bike engines are faster, torquier, more reliable and even easier to set up and start than ever before. Easy pull start, improved carburetor and all of the standard safety features, support and reliability MotoTec provides. Suitable for both wet and dry conditions. This bike will offer hours of fun in almost any children’s outdoor environment. Built Solid, this bike can handle any off-road riding. A Chromalloy frame, with the ability to bear your child’s weight as they grow, and real outdoor rubber tires separate this bikes from similar products. Responsive acceleration, front telescopic forks, rear mono shock suspension, disk brakes, motocross styling and big bike attitude, makes this the perfect children’s choice. Simple to ride, it's fully automatic, so just twist the throttle and go. Specs: Motor: 40cc 4-Stroke, Air Cooled (Competition Use Only) Rated Output: 1.9hp @ 6500 rpm Torque: 1.6Nm @ 5000 rpm Engine Start: Pull Start Gas Tank: 1.2 Liter Top Speed: 22 mph (adjustable speed limiter) Cruising Range: 20+ miles per tank Safety: Throttle Limiter Transmission: Auto Centrifugal Chain: T8F 68 Link Carburetor: 2629 Recommended Age: 13+ Max Rider Weight: 165 lbs Seat Height: 23 inches Handlebar Height: 30 inches Frame: Steel Front & Rear Wheels: Aluminum Alloy Front & Rear Tires: 2.50-10 (15 inch diameter, 2.5 inch wide) Brakes: Front Disc, Rear Disc Suspension: Front Inverted Fork Travel 70mm & Rear Mono Shock Travel 60mm Throttle: Variable twist-grip Seat: Padded (single rider) Handlebars: Angle Adjustable, Not Height Seat Height from Ground: 23 inches Wheelbase: 35 inches (89cm) Ground Clearance: 5.3 inches Assembly Required: Yes Box Size: 44x13x24 inches Box Weight: 63 lbs Dirt Bike Dimensions: 51x30x23 inches Dirt Bike Dry Weight: 51 lbs Warranty: 30 days parts replacement

Item Package Dimensions L x W x H: ‎43 x 22 x 12 inches


Package Weight: ‎29.03 Kilograms


Item Dimensions LxWxH: ‎41 x 12 x 22 inches


Item Weight: ‎49 Pounds


Brand Name: ‎MotoTec


Warranty Description: ‎30 Days Part Replacement


Model Name: ‎MT-DB-40cc-Demon_Blue


Color: ‎Blue


Material: ‎Alloy Steel


Suggested Users: ‎Unisex-Youth


Manufacturer: ‎MotoTec


Part Number: ‎MT-DB-40cc-Demon_Blue


Included Components: ‎Tool Kit


Size: ‎41x12x22"


Date First Available: November 14, 2019


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Oct 8

This item is non-returnable:

Non-returnable. Transportation of this item is subject to hazardous materials regulation

View our full returns policy here.

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  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • Very nice bike
Bought one from another person and it cancelled right before Christmas. Ordered this one and it was scheduled for the day after Christmas but showed up on Christmas Eve! My husband and I were so happy and my son loves it! He rides it like crazy!
Reviewed in the United States on April 20, 2025 by Dawn Alexander
    • Very disappointed in this product
Very disappointed in this bike, figured I would give it a try do to some of the reviews being good. I have regretted it ever sense. The assembly was easy. Then we took it out and during the first ride the little peace of metal that holds the break cam on the sprocket busted. Then after I got that fixed I went to start the bike and absolutely will not start. Then to top it off after trying to get it to start the pull start busted. All in all yea it’s cheap and you get what you pay for but spending 400 I figured I would get something my boy could have fun on for more then 2 hr ... show more
Reviewed in the United States on July 16, 2022 by Jeff Tims
    • It has the title with the vin number. Very cool
My son loves it. This bike is excellent for youth. My 8 years old and 16 years old rides. Thy enjoy. It’s fast and durable. Even adults can try to ride. It’s not too big. It’s excellent size medium. Love it. Definitely recommend. Doesn’t eat lot of gas. When you put gas make sure to add oil too. Go to autozone they will tell you how much to add oil. They sale the oil there. Autozone ... show more
Reviewed in the United States on June 18, 2021 by Kamilla Mamedova
    • Son love this
Bike was really easy to assembly After put together added gas and oil and went to start it started right up turn it off to go get my son and I went to start it again and hand pull string broke on me contacted the company they really professional about it and replace the broken part and sent with fedex express and receive it in 2 days ... show more
Reviewed in the United States on January 5, 2022 by Willie connyer
    • Great bike for first time riders
I liked easy assembly, I didn’t like that the instructions were not very informative. Good price! Purchased for my 8yr old grandson and he loves it!
Reviewed in the United States on December 30, 2022 by Amazon Customer
    • Very happy until
I bought two of these for my boys same brand just different colors. Two days after buying them one of the started leaking gas! You could fill it up and over half of it would drain through the hose so couldn’t even put a full tank of gas in. Later the bolts started coming off had to replace them. Now both dirt bikes have been parked because the chain came off one and the other one just won’t start at all. Definitely do not recommend due to the fact that it’s not worth the money because you pay more trying to fix the things ... show more
Reviewed in the United States on August 15, 2021 by Jessica Lindley
    • NOT a motorcycle just an expensive CHEAP chainsaw motor on wheels
First, sorry this is so long. Second, I am not one to write reviews but I am so disgusted with my purchase of this bike. This motorcycle is very very low quality dirt bike/motorcycle. Actually, after owning numerous name brand dirt bikes and motorcycles, this SHOULD NOT be classified as a “motorcycle” or “dirt bike”. This should be classified as an over priced CHEAP toy. After Amazon passed me back onto the seller, the seller said “oh you opened it and now we can’t return it”. I’m thinking how in the world am I supposed to see if it’s worth anything if I don’t open it and use it. I see a lot of these used bikes forsale online sites because they are junk. Shame on me for buying it especially after I have owned brand named bikes for years. I guess I lost $400 plus dollars since the seller is saying I have to pay for parts like the carburetor that doesn’t work after one ride by my grandson and also the pull start broke. I also paid a professional mechanic to try and fix it. He got it running but then that’s when the pull start broke. So now I’m $75 on top of the $400 plus so I’m out around $525 with a broken junk bike at my house. I decided to just go purchase my grandson a Suzuki 70cc so he can ride with me. Maybe I’ll take my tractor and crush this cheap bike and use it for scrape metal to recoup $20 out of it or use the motor as a weed eater motor, that is if it’s strong enough. Hopefully Amazon helps me get a refund since I and my business spend thousands of dollars a month through them. ... show more
Reviewed in the United States on December 14, 2021 by Brian K Miller
    • Dirt Bike
Easily put together and runs great. We were skeptical with putting it together, but it was very easy to follow and had no problem with any of the pieces. The bike is easily ridden by my husband and son for learning.
Reviewed in the United States on July 18, 2020 by Ty

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