49cc 4 Stroke Engine Parts of 2025
Best Choice1
FutchoyFutchoy 4-Stroke 49CC Bike Engine Motor Gas Petrol Bike Engine Motor Kit Bicycle Motorized Conversion Tool For Bicycle Bike w/Belt
Main highlights- Product Parameters：Engine model: 142F, Engine type: Air-cooled, 4-Stroke, OHV, single cylinder, Bore x Stroke: 41.8 x 36 mm (1.65 x 1.42 in), Displacement: 49 cm3 (2.99 cu in), Compression ratio: 8.0 : 1, Net horse power output: 1.6KW (2.1HP) at 7,000 rpm, Net torque: 2.7 NM (2.0 lbs ft) at 4,500 rpm
- Hand Puller：The engine has a T-shaped puller, which is easy to pull to start the engine. Comes with an adult bike strap, ideal for bikes with a 26" frame
- Good Experience：Compared with the two-stroke engine, the four-stroke technology makes the operation smoother and quieter. And the quiet running process makes riding more enjoyable. The engine fuel tank holds 2 liters of petrol and can last longer with a single top up
- Excellent Performance：The top speed of this 49cc four-stroke bike engine is between 27-32 mph. More stable and efficient. Once your bike is equipped with this engine, it can help you save even more time and effort. Low noise and high efficiency, ideal for you
- Durable：Made of strong and durable aluminum, while the case is made of high-quality plastic. Air-cooled to keep heat dissipated while running, extending engine life
9.9Exceptional
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Value for Money2
DDYOOK49CC 4-Stroke Gas Motorized Bike Engine Kit, Belt Drive OHV Single Cylinder Complete Scooter Conversion Kit for 26" Frame Bicycles, Air-Cooled System, USA STOCK
Main highlights- ️【Hand Puller】The engine has a T-shaped hand puller, which makes it easy to pull to start the engine. The maximum speed of this engine is between 27-32 mph. This connected with high-quality screws, whose fixed effect is very good.
- ️【Good Heat Dissipation】This engine has a forced air-cooling system for providing good heat dissipation while working, extending its service life. The engine's fuel tank can hold 2L/67.6pz of gasoline, allowing you to use it for a longer period of time with a single fill-up.
- ️【Application】It is suitable for adult bikes, especially for bikes with 26 inches frames, upgrading them to electric bikes. It also fits mountain bikes, road bikes, etc.
- ️【Air Cooling System & Vibration Damping】It uses a four-stroke engine, which is more stable, reliable, and quieter than its 2-stroke competitors. The engine adopts forced air cooling system and vibration damping design, which dissipates heat well when working and prolongs the service life.
- ️【49CC 4-Stroke Complete Engine Kit】The engine is equipped with all the needed hardware that can upgrade most traditional bicycles into electric bicycles, With this bicycle engine kit, you can change a bicycle into a motorized bicycle, you can enjoy the thrill of the road without spending money on a motorcycle or scooter.
9.6Exceptional
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3
siohdagu49cc 50cc 2 Stroke Racing Engine Motor, Gasoline Engine Single Cylinder Pull Rope Start Motor for Dirt Bike Pocket Bike ATV Scooters, Pocket Bike Engine Kits
Why we love it
Durable and rust-resistant materials.
Easy to start with T-shaped lever.
Efficient air-cooled system.
9.5Excellent
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4
WKNYSYK42% OffNew 49cc 4 Stroke Single Chain Gear Box Gearbox Replacement Parts Compatible Fit For GAS Engine Motor Bicycle Parts
Main highlights- Precision Engineering: Designed for precise gear meshing and power transmission, offering smoother acceleration and better control while riding.
- Easy Installation: Engineered for a straightforward replacement process, fitting easily into existing 49cc 4-stroke single chain gas engines without requiring additional modifications. This minimizes downtime and ensures a hassle-free installation.
- Durability: Made with high-quality, durable materials, ensuring that the gearbox withstands continuous use and the rough conditions of motorized bicycle operation, including high torque and speed.
- Compatibility: This gearbox is designed for 49cc 4-stroke single chain engine motors, typically used in motorized bicycles, go-karts, and mini bikes. It is suitable for replacing old or worn-out gearboxes in similar models.
- 4-Stroke Engine Support: Specifically built for 4-stroke engines, providing smooth and efficient power transfer while ensuring the longevity of the engine components.
9.4Excellent
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5
GREHUAGREHUA Motorized Bike Chain Tensioner Arch with Idler Pulley Adjuster Kit for 2 Stroke 48cc 50cc 60cc 66cc 80cc 49cc Engine Bicycle Parts Motor Heavy Duty Rainbow Shape Bracket Black
Main highlights- PACKAGE INCLUDED—1 x Spring Idler Pulley Chain Tensioner, 2 x Pulley Chain Tensioner Rollers, 1 Set Mounting Accessories.
- HIGH QUALITY MATERIAL—80cc motorized bike chain tensioner made of premium heavy duty material is thick, strong, sturdy and durable. Better provides tensioner with a longer service life.
- FITMENT—80cc bike chain tensioner is compatible with regular 2 stroke 48cc 50cc 60cc 66cc 80cc plus 4 stroke 49cc engine gas motoriezd bicycle bike motor.
- FEATURES—2 stroke chain tensioner is an important component of the transmission system. arch chain tensioner provides more precise alignment and constant tension for the chain, extends its lifespan, reduces stress on the chain, and maintains consistent tension.
- COMPLETE ACCESSORIES—arch style chain tensioner for bicycle has many parts you need without extra purchase. With excellent wear resistance of the tensioner kit, complete accessories can better assemble the tensioner to fix the chain in the appropriate position. It is very easy to install and operate, with low replacement costs.
9.3Excellent
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6
LOYPPGY6 50cc Carburetor for 49cc 50cc Scooter Moped Carburetor, 139QMB High Performance 4-Stroke Carb with Intake Manifold, Fits PD18J Engine
Main highlights- 【Warranty Policy】:360 Days Warranty. Feel free to contact us by emails if you have any problems,we'll take care of it in 24 hours.
- 【Size and Package】:Main jet size:78#; Idle jet: 33mm. ID (Intake side):18mm; 39mm (Outer Diameter). Package include: 1 x 50cc GY6 Carburetor; 1 x 50cc Intake manifold; 1 x Spark Plug; 1 x Fuel Filter; 2 x Gaskets.
- 【High Quality】:50cc Carburetor 4 stroke high performance for GY6 49cc 50cc 80cc 4 Stroke engines. 50CC Moped Carburetor comes with a #78 Main Jet for better fuel to air ratio. This 50cc scooter Carburetor upgraded jets for better starting, idling and performance. Electric Choke (plug style): 2-pin, male plug.
- 【Easy To Install 】:This brand new high performance gy6 50cc carburetor is easy to install, plug and play. Tips: Make sure to take pictures before uninstalling the 50cc carburetor your replacing.Take notes use tape or sticky notes to know vacuum lines/fuel lines etc.
- 【COMPATIBLE】GY6 50CC Carburetor fits for most Chinese Made Scooters and ATV.Such as TAOTAO, JONWAY, JMSTAR, ROKETA, SUNL, TANK, PEACE, Dongfang, Kazuma, JCL, BMS. 50 cc Carb For GY6 139QMB 139QMA Lance Eagle Tank Urban VIP Future Champion 50 Scooter Moped Parts.
9.2Excellent
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7
JAYGOVANJAYGOVAN 49CC 2 Stroke Engine Motor for Pocket Bike ATV Mini Dirt Bike Scooter, Pull Start Engine Motor Single Cylinder Air Cooling Motor with Fuel Tank
Main highlights- 【Wide Range of Applications】- The engine is suitable for most configurations of 49cc 2-stroke gasoline scooters, pocket bikes, mini helicopters, gliders
- 【Good Heat Dissipation】- The 2-stroke engine is equipped with high efficient cold air cooling mechanism and heat sink, which makes the product dissipate heat well and ensures stable operation for a long time
- 【Excellent Performance】- The two-stroke engine motor adopts a high-quality electric motor with a maximum power of 1.9kw/3HP and a maximum speed of 7,000 rpm, providing you with strong power. In addition, it is equipped with a diaphragm carburetor with good anti-leakage performance to ensure safe and reliable use
- 【Durable】- The 49cc engine is mainly made of high grade aluminum, iron and plastic with die-casting process, which is resistant to impact and scratches, and has high durability and reliability to ensure long-term use
- 【2 Stroke Motor】- 49cc Single Cylinder Engine Motor displacement is 49cc, air-cooled, single cylinder. Maximum power is 0.9/6500kw/r/min. Maximum torque is 1/4500Nm/r/min
8.9Very Good
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8
LIAPDGLIAPDG 49CC 4 Stroke Engine with Belt, 2 Liters 4 Stroke Bicycle Engine Kit Maximum Speed of 27-32 Mph for Bikes with 26" Frames with T-Shaped Hand Puller
Main highlights- [Low Noise] 49CC 4 stroke engine with belt compared with a two-stroke engine, the four-stroke technology makes the operation more stable and quiet. And the quiet running process makes it more enjoyable when riding
- [Large Capacity] The engine's fuel tank can hold 2 liters of gasoline, allowing you to use it for a longer period of time with a single fill-up. This 49cc four-stroke engine with belt for adult bikes, is ideal for bikes with 26" frames
- [High-quality Materials] Bicycle engine kit engine's body is made of strong aluminum, while the housing is made of high-quality plastic. All the materials are strictly selected to make sure the best experience. The engine's housing is made of strong plastic. It covers the main body of the engine to fully protect it
- [High Efficiency] 4 stroke bicycle engine kit is a four-stroke engine, which is more stable and efficient compared to two-stroke ones. It is air-cooled to keep the heat dissipated while operation. It adopts four-stroke technology, which allows for full gasoline combustion
- [Fast] 49CC engine kit maximum speed of it is between 27-32 mph. Once your bike is equipped with this engine, it can help you save more time and effort. The engine has a T-shaped hand puller, which makes it easy to pull to start the engine. The engine's body is made of good performance aluminum, which is strong with a metallic luster
8.8Very Good
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9
FVRITOFVRITO Viper Flexible Exhaust Muffler Pipe Silencer with Hardware for 2 Stroke 49cc 60cc 66cc 80cc 100cc Engine Gas Motorized Bicycle Motor Bike Parts Silver
Main highlights- 【Size】Mounting Hole Distance: 40mm/1.57 inch, Total Length: 945mm/37.2 Inch.
- 【Package Contents】1xMuffler Exhaust Pipe,1set of mounting gasket nut kit.
- 【Note】 Please confirm the product size, pictures and fitment before purchasing. If you have any questions, please don’t hesitate to contact us.
- 【More Adaptability】1.It can be mounted at different angles depending on the position of the engine 2.The stainless steel part of the long expansion exhaust pipe is flexible enough. 3.The bendable exhaust silencer is a perfect aftermarket replacement, it is quieter than the stock exhaust. 4.The performance exhaust muffler pipe has a much stronger mounting flange with a reinforcing weld to prevent warpage by over tightening causing an exhaust leak. 5.Durable and long service life.
- 【Fitment】for 2 Stroke 49cc 60cc 66cc 80cc 100cc Engine Motorized Bicycle Gas Motor Bike Pocket Bike Scooter Bike and other 2 stroke 49cc-100cc small engines pit dirt bikes .
8.7Very Good
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10
JAYGOVANJAYGOVAN 49cc Bicycle Bike Engine Kit 4-Stroke Gas Petrol Motorized Bicycle Kit, Single Cylinder Gas Petrol Motorized Bike Engine Motor Kit Chain Drive Bike Bicycle Scooter for 26" Bikes (Chain Style)
Main highlights- ️【Strong and Stable】- The e-bike kit is attached with high quality screws for excellent fixing. The base is sturdy and stable when working, and the engine is designed with shock absorption to bring you a better experience.
- ️【Safety and Efficient】- The bike engine kit has a maximum power of 1.4 kW and adopts the safe TCI ignition system, which is safe to use. In addition, it operates at up to 6800rpm, and the low noise level of the four-stroke engine creates a good riding environment without generating too much noise while riding.
- ️【Good Heat Dissipation】- The bike engine kit is forced air-cooled, and the engine tank holds 2L/67.6pz of gasoline, so you can use it for a longer period of time with a single fill-up.
- ️【Fast and Smooth】- The bike engine is a four-stroke engine, which is more stable, reliable and quieter than its two-stroke counterparts. And the heavy-duty metal engine adds durability and stability for a safer and smoother ride.
- ️【Complete Engine Kit】- This engine comes with all the hardware you need to upgrade most conventional bikes to e-bikes, including the engine, fuel tank, wrenches, bolts, chain, and more. There is no need to purchase additional parts, resulting in significant savings.
8.6Very Good
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