Top 10 Gas Bicycle 4 Stroke Engine Kit – Automotive Replacement Engine Kits

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1. Futchoy


Futchoy 142F 4-Stroke 49CC Bike Engine Motor 49cc Dual Chain Drive Bicycle Motor Kit Petrol Gas Engine 4 Stroke Bicycle Engine Kit with Air Cooled with Two Chains

Futchoy #ad - One is inside and the other is outside. It runs almost as fast as a motorcycle or scooter, reliable, and quieter. Advantagesthis 49cc 4-stroke pull-start gasoline conversion kit is used to upgrade a normal bike to an electric bike, and the four-stroke is more stable, you can enjoy faster riding speed, after modifying the bike, making your outdoor travel more convenient, up to 38km/h.

Tipsthe motor is equipped with two chains. Systempto shaft rotation: counterclockwise from pto shaft side, Ignition system: Transistorized magneto ignition, Carburetor float type, Lubrication system: Forced splash, Starting system: Recoil starter, Governor system: Centrifugal mechanical.

Specificationsengine model: 142f, net horse power output: 1. 6kw 2. 1 hp at 7, bore x stroke: 41. 8 x 36 mm 1. 65 x 1. 42 in, compression ratio: 8. 0 : 1, 000 rpm, displacement: 49 cm3 2. 99 cu in, net torque: 2. 7 nm 2. 0 lbs ft at 4, 500 rpm.
BrandFutchoy #ad
ManufacturerRoyan-LMJ #ad
Weight31.97 Pounds
Part NumberAC-FYL-1111-1-FJD

2. GDAE10


Motorized Bicycle Kit Bike Engine Kit Single Cylinder 49CC 4-Stroke 142F Air-cooled System w/Double Chain Drive Fits normal 28” V frame bike and 26” ATV bike US Stock

GDAE10 #ad - Fits normal 28” v frame bike and 26” ATV bike, both with 28-40mm frame tube. This engine is a 4-stroke motor engine kits, includes everything a motor needs at a economic price. With powerful motor and 44 tooth 9 hole sprocket, this motor is with speed 27-32 MPH / or 43-51 KPH. With 41. 8 x 36 mm bore stroke, 49 cm3 displacement, oil tank capacity 2. 5l. This 4-stroke motor is more stable, more reliable and quieter than the 2 stroke rivals.
BrandGDAE10 #ad
ManufacturerGDAE10 #ad
Height11.02 Inches
Length20.47 Inches
Weight31.97 Pounds
Width11.02 Inches
Part NumberGDAE10

3. Sihand


Bike Engine Kit 4 Stroke, 49cc 4 Stroke Engine Motor Kit, Gas Petrol Motorized Bike Engine Bicycle for 26" or 28" ATV Bikes Silver

Sihand #ad - 1. 3. 4 stroke engines are more stable, more reliable and Quieter than the 2 stroke rivals. 1. Go to your amazon account and find the order. 2. Long term spares available as required.

5. If you are not satisfied with this product or if you have any question, please feel free to contact us. 49cc 4 stroke pull start petrol conversion kit for adult bicycles, ideal for normal 28” V frame bike and 26” ATV bike, both with 28-40mm frame tube. 3. Click "Ask a question". We would like to issue full refund if finally we could not resolve your problem or you are not satisfied with the result. 4. The top speed of between 27 - 32 mph / or 43 - 51 KPH, The tank holds 2 litres of petrol and everything comes with the kit. 2. Click the seller name and enter the store page.
BrandSihand #ad
ManufacturerSihand #ad
Part NumberSihand



49CC 4-Stroke Gas Petrol Motorized Bike DIY Engine Motor Kit Scooter with Chain Drive Bicycle Scooter Conversion Kit US Stock without belt

VPABES #ad - Reliable quality:worry-free 36-month. If you have any question about the product, we support 24*7 hours prompt customer service. 4 stroke engines are more stable, more reliable and Quieter than the 2 stroke rivals.

The top speed of between 27 - 32 MPH / or 43 - 51 KPH. 49cc 4 stroke pull start petrol conversion kit for adult bicycles, ideal for bikes with 26 inch frames and similar Long term spares available as required. Pakage include:1 x quality 49cc 4 stroke engine;1 x gas tank, 9 sprocket bolts, fuel value;1 x adjustable chain idler;1 x 44 tooth 9 hole sprocket;1 x Chain guard;1 x Extra wide crank/sprocket;1 x Fiber sprocket mounting rings, Plastic gasoline fuel line, 3 metal retaining segments;1 x Engine Mounting plate with universal mounting brackets;1 x Spark Plug Wrench;1 x Misc.

Mounting bolts with nuts;1 x heavy duty #415 chain;1 x Twist grip throttle with built-in kill switch;1 x throttle cable. The tank holds 2 litres of petrol and everything comes with the kit.
BrandVPABES #ad
ManufacturerVPABES #ad
Height11 Inches
Length20.5 Inches
Weight32.5 Pounds
Width11 Inches
Part NumberVP-0831-01

5. YOCrazy-US Direct


YOCrazy-US Direct Bicycle Motor Kit,Bicycle Motorized 80CC Petrol Gas Motor Bicycle Engine Complete Kit Motorized Bike 2-Stroke Gas Motorized Bike Motor Kit

YOCrazy-US Direct #ad - 4 bolts attach the engine to your bike frame and this kit comes are 8mm vs the standard 6mm. Ship from us stock ! we have our own warehouse and a professional Customer Service Team to reply you within 24 hours.

Can be re-jetted, pilot jet, Idle RPM Screw, instead of restricting air. Features: choke lever on the handlebars, Throttle needle, Idle Air Screw and has an Internal choke circuit that delivers more fuel with the choke on, Main jet. That means the mounts are twice as strong and twice as secure. High performance speed car, improved magneto, Silver anti-corrosion coating, high performance CDI with Yamaha components, High end allen bolts, Improved gas cap.

Upgraded tunable high performance carburetor. Great for cold weather starts! Engine requires 8oz 2 Stroke oil per gallon of gas during Break In Period. Low fuel consumption, 150 miles per gallon, very energy efficient and economical. If you have any Questions, please feel free to contact us. We promise you that we will do our ultmost to solve it for you firstly.
BrandYOCrazy-US Direct #ad
Weight11300 Grams



NAVARME 42cc 4-Stroke Rear-Wheel Side Mount Kit for 47cc 49cc GX35 Gas Motorized Bicycle Bike

NAVARME #ad - Simple installation, the kit is rugged enough to be used for everyday, reliable, economic transportation. Package include:1 x Rear-Wheel Side Mount Kit. Can be mounted on virtually any bicycle. The kit uses an engine that has an automatic centrifugal clutch. Get up to 200 mpg and reach speeds of 30+ MPH. Convert almost any bicycle into a motor bike in no time at all.
BrandNAVARME #ad
ManufacturerNAVARMETools&Parts #ad
Part NumberAMFLHMB1724



49cc 2 stroke Gas Scooter Engine Throttle Cable Grip Kit W/Racing Air Filter for ScooterX EVO Pep Boys Zoom Stand Up Scooter Bicycle Motorized DIY

WEIYINGSI #ad - Brand new 49cc air cooled complete gasoline scooter Engine Throttle Cable and Grip Kit with Red CNC Racing Intake Manifold High Flow Air Fileter. The kit comes with 3 pieces of output sprockets 14, 17 and 20 teeth fit T8F BF05T 8mm pitch chains. Offers you more ratio and speed choices. The engine with built-in square exhaust muffler, centrifugal clutch and gearbox. Kit includes: 1 x 49cc engine with racing air filter, 1 x throttle clamp with Kill Switch, 1 x throttle cable, 1 x Right Grip, 1 x 17t sprocket, 1 x 14t sprocket, 1 x Left Grip, 1 x 20t sprocket.
ManufacturerWingsmoto #ad
Height50 Centimeters
Length100 Centimeters
Width100 Centimeters
Part NumberEN21-G

8. Flying Horse


Flying Horse Complete 5G 4-Stroke Bicycle Engine Transmission Kit

Flying Horse #ad - This kit is designed for those who've already purchased an engine and looking for all the required accessories to install it. Dual chain transmission: high quality and durable dual chain transmissions lasts longer and is not prone to over heating like single chain or belt drive.

Complete kit: the flying horse 5g 4-stroke transmission kit comes with everything needed to install your engine on to your bicycle, EXCEPT the engine. All you need is your own 4 stroke engine to complete your build. Package includes: 1x 5g 4 stroke transmissions, 1x 44 tooth sprocket, 1x 4 stroke muffler, 1x sprocket clamp assembly, 1x throttle cable, 1x 415 Heavy Duty Chain, 1x Chain Guard, 1x Throttle Grips and Kill Switch Combo, 1x fuel line, 1x wide crank Arms Set, 1x 1.55

5l black gas tank, 1x engine mounting Plate, 1x Fuel Valve, 1x Chain Idler Pulley. This transmission can with stand hundreds of hours of use. Easy installation: this kit makes installing your engine a breeze! It includes everything from the sprocket and chain to the throttle grips. Universal fit: this transmission kit fits a wide range of 4-stroke engines, including the Grubee 4-stroke engine and nearly all Huasheng 142F 4-stroke bicycle engine kits with 3" bell rotor transmissions.
BrandFlying Horse #ad
ManufacturerFlying Horse #ad
Weight17.8 Pounds

9. Amebee


Bike Engine Kit 4 Stroke 53cc Bicycle Motor Petrol Gas Engine Kit Fit with Most 26"-28' Wheel Bike by Amebee for Bicycle Mountain & Road Bike Gas Motorized Motor Bike 53cc 4 Stroke Belt Drive

Amebee #ad - And add some lubricant into the air cylinder before starting. Bicycle engine kita complete engine kit for converting your bike, this 53cc petrol gas engine kit is used to upgrade the regular bike to a motorized bike. After converting your bike, you can enjoying riding at a faster speed, which can reach 38km/h.

This engine kit fits most 26" or 28" bikes with V-frame, such as mountain bikes, choppers. Motorized gas engine bike motor kit bicycle engine kit bicycle motor motor bike kit 53cc motorized bike kit bicycle engine kit bicycle motor motor bike kit. Premium product selection 🥳 top value buy factory direct internatioal shipping premium material & fuel Saving Motor Bike Kit Strong Power Heavy duty metal engine body for added durability. Your motorcycle can have better endurance to support long distance riding. Super fuel-efficient, can speed up to 38km/h, only consuming 2.

5 litre fuel per 100km. Fast and smooth, enjoy riding at a faster speed. It almost runs as fast as a motorcycle or scooter, cruisers, road bikes, making your outdoor trip more convenient. 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". Great fun before installing, please kindly read our instruction and search "Bicycle engine kit" related video, it will give a big help and troubleshoot a lot of issues during installation process.
BrandAmebee #ad
ManufacturerAmebee Sport #ad
Weight34.17 Pounds
Part Number4 Stroke Petrol Gas Engine 53cc Bike Kit
ModelPetrol Gas Engine 53cc 4 Stroke Bike Kit
Warranty* See All Buying Options Get Genuine Parts and Service from official Amebee Sport direct supplier Global Market Service. Third party Non direct supply service and warranty not supported. Be careful for third party individual seller who cheat Amazon page Buy Cart Button. Warning: ‎* Power auto machine. Handle and use with care on your own risk. If need get professional mechanic assistance from bike shop and auto repair.

10. Iglobalbuy


Iglobalbuy 80CC Petrol Gas Motor Bicycle Engine Complete Kit Motorized Bike 2-Stroke black

Iglobalbuy #ad - Fits most 26" wheeled bikes with v-frame. 2 stroke single cylinder natural air cooled;Brand New, item ship from US, estimate receiving time 2-6 business days. Max speed: 25-38 mph;oil consumption: 2. 5l/100km;weight:1092kg. The rider only needs some basic hardware skills, tools, and around 2-3 hours for installation and fine tuning adjustments. 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". Fuel mixture 10:1 for new sets ;16:1 after running 500km.
BrandIglobalbuy #ad
ManufacturerIglobalbuy #ad
Part Number1