Top 8 50cc Dirt Bike 4 Stroke – Scooters & Equipment

As an Amazon Associate I earn from qualifying purchases.

1. Coolster

#ad

Coolster Kids Mini Dirt Bike 70cc Youth Gas Pit Bike Semi-Automatic 4-Speed CRF50 Style Black

#ad
Coolster #ad - Certified technician is required for Assembly, Prepp, Basic care & maintenance and all Technical issues . Brand new 70% assembled inside a metal crate.
BrandCoolster #ad
ManufacturerCoolster #ad
Part NumberPSGCS70

2. Fit Right

#ad

Ultra Edition Yellow, Fit Right 2020 DB003 40CC 4-Stroke Kids Dirt Off Road Mini Dirt Bike, Kid Gas Powered Dirt Bike Off Road Dirt Bikes, Gas Powered Trail Mini Bike

#ad
Fit Right #ad - Measurement: please be aware of the size, supports up to 160 lbs, the dirt bike is L=4055", w=22. 44", h=21. 65", and we recommend kids’ age over 8. Powerful performance: fit right db003 kids gas dirt bike  has 4 stroke engine with 40cc/1. 4hp fully automatic chain drive transmission system provide your kids with plenty of muscle through the trails all day with a max speed 18 mph with just 032-gallon gas#91, the gas-powered trail mini bike can causing up to 27 miles.

Epa approved: fit right 2020 db003 kids dirt bike- ultra edition is epa approved, while it has low noise, and it’s environmentally friendly, it means the kid's dirt bike will not cause unreasonable adverse effects in users’ health under the instruction manual, NO NEED FOR MIXING OIL . Safety first: the kids dirt bike is built with a rugged, while rear disc brake provide fast and smooth stopping power can ensure your kids not going over the speed at beginning control ability or different skill level, proven clutch and a solid, sturdy metal tube steel frame for extra stability, this dirt bike for teens is perfect for kids over 8 years old.

Easy & smooth: fit right db003 kids gas powered dirt bike with easy pull start operation makes this the ideal trail kids dirt bike for any teen rider. Low-pressure pneumatic knobby tires provide a soft, smooth ride even on rugged terrain, front tire 4. 10-6, rear tire 5. 00-6, off-road tire  .
BrandFit Right #ad
ManufacturerFit Right #ad
Part NumberDB003
Warranty60 days parts warranty

3. Razor

#ad

Up to 30 Minutes Continuous Ride Time, Razor MX350 Dirt Rocket Electric Motocross Off-road Bike for Age 13+, Chain-driven Motor, Twist Grip Throttle, 12" Air-filled Tires, Hand-operated Rear Brake

#ad
Razor #ad - Features adjustable-angle, knobby tires, riser-style handlebars, retractable kickstand, spoked wheels with 12” pneumatic, and hand-operated rear brake. Powers riders at speeds of up to 14 mph 22 km/h with up to 30 minutes of continuous use. High-torque, rear-wheel chain-drive delivers increased power and traction. Authentic motocross frame geometry, the MX350 scales down the dirt bike to size for riders ages 13+ and up to 140 lb 64 kg. 24v two 12v sealed lead-acid rechargeable battery system.
BrandRazor #ad
ManufacturerRazor USA, LLC #ad
Height44 Inches
Length24.5 Inches
Weight55.12 Pounds
Width31 Inches
Part Number15128090
Model15128090
Warranty90 day manufacturer

4. Fit Right

#ad

Perfect Mini Pocket Bike for Kids- Ultra Edition Orange, Support Up to 165 lbs, EPA Approved, Fit Right 2020 Mini Gas Pocket Bike 03 On 40cc 4 Stroke

#ad
Fit Right #ad - Performance experience: with the pocket bike 40 cc 4-stroke engine and full body steel frame design, it will speed up to 18 mph and provide your kids the excitement and performance experience that smartphones and tablet cannot provide, bring your kids tons of adventure memories.

Measurement: the pocket bike is l40 w18. 5 h22. 8 in, supports up to 165 lbs, and we recommend kids’ age over 13. Epa approved: 2020 fit right mini gas pocket bike- ultra edition is EPA approved, it means the pocket bike will not cause unreasonable adverse effects in users’ health under the instruction manual, and it’s environmental friendly.

Ship to you door directly in this special time. Safety first: hit pocket bike strong brakes system with 1 disc front brake and 1 disc rear brake when emergency happens and allow maximum control to protect your kids, always put your kinds safety in the first place. Fuel efficient: with just 032 gallon gas#91, the mini gas pocket bike can causing up to 27 miles, providing your kids with long time entertainment.
BrandFit Right #ad
ManufacturerFit Right #ad
Height22.8 Inches
Length40 Inches
Weight53 Pounds
Width18.5 Inches
Part NumberG0003

5. Fit Right

#ad

Fit Right 2020 Mini Gas Pocket Bike On 40cc 4 Stroke, Perfect Mini Pocket Bike for Kids Pink, Support Up to 165 lbs, EPA Approved

#ad
Fit Right #ad - Performance experience: with the pocket bike 40 cc 4-stroke engine and full body steel frame design, it will speed up to 18 mph and provide your kids the excitement and performance experience that smartphones and tablet cannot provide, bring your kids tons of adventure memories.

Measurement: please be aware of the size, supports up to 165 lbs, the pocket bike is L40W18. 5h22. 8", and we recommend kids’ age over 13. Fuel efficient: with just 032 gallon gas#91, the mini gas pocket bike can causing up to 27 miles, providing your kids with long time entertainment. Safety first: hit pocket bike strong brakes system with 1 disc front brake and 1 disc rear brake when emergency happens and allow maximum control to protect your kids, always put your kinds safety in the first place.

Epa approved: 2020 fit right mini gas pocket bike is EPA approved, it means the pocket bike will not cause unreasonable adverse effects in users’ health under the instruction manual, and it’s environmental friendly.
BrandFit Right #ad
ManufacturerFit Right #ad
Height22.8 Inches
Length40 Inches
Weight53 Pounds
Width18.5 Inches
Part NumberG0001

6. Razor

#ad

Chain-Driven Motor, for Kids 13+, Rear-Wheel Drive, Razor MX650 Dirt Rocket Electric-Powered Dirt Bike with Authentic Motocross Dirt Bike Geometry, High-Torque

#ad
Razor #ad - Carries riders at speeds of up to 17 mph; authentic dirt bike frame geometry. Battery life Up to 40 mins. Dual suspension and riser handlebars deliver smooth, comfortable ride.

Recommended for ages 16 and older 220-pound weight limit; 90-day warranty. Pneumatic knobby tires for maximum power transfer; quiet variable-speed, chain-driven motor and Wheels- 16 inches front and 14 inches rear tires. Initial charge time: 12 hours. Failure to recharge the battery at least once a month may result in a battery that will no longer accept a charge. Compact electric motocross bike with powerful 650-watt electric motor.
BrandRazor #ad
ManufacturerRazor USA, LLC #ad
Height52.5 Inches
Length24.5 Inches
Weight98.22 Pounds
Width34 Inches
Part Number15128090
Model15165090

7. MOTOOS

#ad

MOTOOS 80CC 24" 26" 28" 2 Stroke Bike Bicycle Motorized Cycle Petrol Gas Engine Motor Kit Set Black

#ad
MOTOOS #ad - Lubrication oil: oil for 2-stroke petrol engine or oil for 10w/4010w/30; mixing ratio of fuel and engine Oil: 16:1 for new sets, 20: 1 after running 500km. Please mind to buy it carefully. Motoos 2-stroke 80cc engine kit is perfect to upgrade the regular bike to a motorized bike, you can enjoying riding at a faster speed, which can reach 38km/h as fast as a motorcycle or scooter.

Add some lubricant into the air cylinder before starting. The frame should have 9-11" of clearance between the bottom bracket and top bar, and the diameter of the frame tubes should be 25-29mm around an 1". Mode of engine: single cylinder, skills and around 2-3 hours to install.

Power 3 horsepower/5000r/min, Super fuel-efficient, only consuming 2. 5l fuel/100km. Note: due to the chemical reaction of electrophoresis, 2-stroke Natural air cooling; The rider needs some basic hardware tools, air-cooling, the engine motor of the product will have a certain proportion of color difference. Key parameters: bore and stroke-47mm & 40mm, max. Fits for most 24" 26" or 28' wheeled bikes with v-frame.
BrandMOTOOS #ad
ManufacturerMOTOOS #ad
Part NumberRoad-Stroke002

8. MOTOOS

#ad

MOTOOS 80CC 24" 26" 28" Bicycle Engine Kit Bike Bicycle Motorized 2 Stroke Cycle Petrol Gas Motor Engine Kit Set Silver

#ad
MOTOOS #ad - The frame should have 9-11" of clearance between the bottom bracket and top bar, and the diameter of the frame tubes should be 25-29mm around an 1". Key parameters: bore and stroke-47mm & 40mm, super fuel-efficient, Max.

Fits for most 24" 26" or 28' wheeled bikes with v-frame. Power 3 horsepower/5000r/min, only consuming 2. 5l fuel/100km. Motoos 2-stroke 80cc engine kit is perfect to upgrade the regular bike to a motorized bike, you can enjoying riding at a faster speed, which can reach 38km/h as fast as a motorcycle or scooter. Mode of engine: single cylinder, air-cooling, 2-stroke Natural air cooling; The rider needs some basic hardware tools, skills and around 2-3 hours to install.

Lubrication oil: oil for 2-stroke petrol engine or oil for 10w/4010w/30; mixing ratio of fuel and engine Oil: 16:1 for new sets, 20: 1 after running 500km. Add some lubricant into the air cylinder before starting.
BrandMOTOOS #ad
ManufacturerMOTOOS #ad
Height7.1 Inches
Length16.5 Inches
Width16.3 Inches
Part NumberRoad-Stroke001