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Top 10 49Cc Stroke Engine Upgrades of 2020 – Consumer Guide & Reviews

Rank No. #1
Racing Carburetor 2 Stroke 49cc 66cc 70cc 80cc With Air Filter For 2 Stroke Engine Motorized Bicycle RED
  • 19mm Carburetor With Filter: 58mm/ Color: Red and Blue
  • Fits 2 stroke 49cc 66cc 70cc 80cc engine With No Adjusting Throttle
  • The screw on the side of the carburetor is for the idle.
  • Jet: Normally for 6mm jet,you can start with Start with the smallest size jet, the jet does not need to be torqued down with a great deal of force.
  • Note:You have to wrap several layers of thread tape around it if you are replacing the NT carb that came with your 66/80cc bicycle engine, and if you are at a higher elevation you may need to change jet size for this carburetor to run properly.
Rank No. #2
44mm Big Bore 53cc 54cc Performance Top End Upgrade Kit Carburetor 2 Stroke 47cc 49cc Engine Mini Quad Pocket Bike Red
  • Complete performance upgarde kit for 47/49CC engines to increase 30% power of regular engine, please read description for more fitment info.
  • With new style carburetor, hi-flow air filter, red performance ignition coil and durable 2-spring racing clutch pad for bigger torq transmission.
  • With carbon fiber reed valve to improve high rev performance. The kit comes with 2 pieces of reed valve blocks, one with standard steel reed, 1 piece is with carbon fiber reed valve.
  • Measurement: 44mm bore and pistion,12mm diameter piston wrist. Please check the size of piston wrist pin on your engine. This kit can NOT work with 40mm bore engine which with 10mm piston wrist.
  • With enhanced and lengthened cylinder mounting bolt, 3-electrode spark plug for stronger ignition.
Rank No. #3
Racing Carburetor 2 Stroke 49cc 66cc 70cc 80cc With Air Filter For 2 Stroke Engine Motorized Bicycle BLUE
  • 19mm Carburetor With Filter: 58mm/ Color: Red and Blue
  • Fits 2 stroke 49cc 66cc 70cc 80cc engine With No Adjusting Throttle
  • The screw on the side of the carburetor is for the idle.
  • Jet: Normally for 6mm jet,you can start with Start with the smallest size jet, the jet does not need to be torqued down with a great deal of force.
  • Note:You have to wrap several layers of thread tape around it if you are replacing the NT carb that came with your 66/80cc bicycle engine, and if you are at a higher elevation you may need to change jet size for this carburetor to run properly.
Rank No. #4
EWANYO 49cc Bike Bicycle Engine Kit 4 Stroke Gas Motorized Bike Bicycle Engine Motor Kit Petrol Motorized Bike Engine Scooter Parts for 26" Bikes (Upgrade Gearbox)
  • 🚲【49cc Petrol Gas Engine Kit】- This 49cc Petrol Gas Engine Kit is used to upgrade the regular bike to a motorizedbike. After converting your bike, you can ride faster and further buteasily, and then just enjoy your outdoor trip. The speed can reach up to 43-51km/h, which is the fastest but safe speed you can get. Of course, if you want to ride just with your feet, just stop your petrol gas engine, and use the original equipment of your bike. This engine kit fits most 26" bikes.
  • 🚲【Features】-1. A complete engine kit for converting your bike. 2. Heavy duty metal engine body for added durability. 3. Super fuel-efficient, only consuming 2.5 litre fuel per 100km. 4. Fast and smooth, can speed up to 42km/h. 5. Upgrade gearbox has been installed, save your time. 6. Fit for most type 26" bikes, such as mountain bikes, road bikes,cruisers, choppers.
  • 🚲【Quiet and Slight Vibration】- When you use it after installation, it only has a slight noise and slight vibration, which will not disturb. Just ride the bike and enjoy scenery without wasting too much energy.
  • 🚲【Increase Speed& Easy to Assemble】- This bicycle gasoline engine can greatly get the bicycle speed up to 50km/h as fast as a motorcycle or scooter. The instruction contains every detail of the assembly steps, which makes your assemble process more quickly and easily. Only some basic hardware skills, tools, and fine tuning adjustments, you could have a electric bicycle.
  • 🚲【After-sales】- If you are not satisfied with this product or if you have any question, please feel free to contact us. 1.Go to your amazon account and find the order. 2.Click the seller name and enter the store page. 3.Click "Ask a question".
Rank No. #5
Carb Carburetor Air Filter Assembly Replacement for 49cc 50cc 60CC 66CC 70cc 80cc 2 Stroke Engine Rcooter Motorized Bicycle,Mini Pocket Bike,Quad Chopper ATV
  • 1,Fits For 49cc 50cc 60CC 66CC 70cc 80cc 2 Stroke engine Motorized Bicycle Bike
  • 2,Manifold intake diameter: 19MM; Air filter Diameter: 58MM
  • 3,80cc bicycle engine kit,2 stroke engine parts,racing carburetor,2 stroke carburetor,motorized bicycle carburetor parts,70cc 2 stroke engine,80cc carb,80cc bicycle engine carburetor,49cc bicycle carb,80cc bicycle racing engine,2 stroke carb,70cc engine 2 stroke,80cc racing carb,66cc carb,49cc engine carb,80cc atv engine,2 stroke racing carburetor,2 stroke engine carburetor,2 stroke engine throttle,
  • 4,Guaranteed Quality New Product With Safety Package,Material: Metal; Reliable quality, easy to install
  • 5,100% satisfactory service, if you have any questions, please feel free to contact us by email!We will solve it for you in the first time!
Rank No. #6
UAUS High Performance 40mm Chrome Bigger Half Moon Banana Silencer Muffler Exhaust Pipe For 49cc 60cc 66cc 80cc 2-Stroke Engine Motor Motorized Motorised Bicycle Bike Upgrade Silver
  • This 2-Stroke exhaust is designed to work with any 40mm stud spacing exhaust port common on motorized bicycles such as 48cc, 60cc, 66cc and 80cc.
  • It's extra large tuned chamber will largely increase the power band of the engine from mid to top end while drastically boosting torque, acceleration and top speed.
  • The item is brand new but it might have some scratches during the transportation. Plz notice.
  • Package include:1x Muffler Pipe, 1x Exhaust Gasket. Please compare the goods appearance, shape, size with your original goods before ordering.
  • It performs much better than normal exhaust mufflers in reducing noise and you will be more calm riding your motorized bicycle.
Rank No. #7
Seeutek PK80 80cc Bicycle Engine Kit 2-Stroke Gas Motorized Bike Motor Kit Upgrade with Speedoemter
  • 🚴 80cc Bicycle Engine Kit,Engine Type: Single cylinder,air-cooled,2-stroke.For screw and bolts easily broken, we have upgraded premium quality hex socket screw and bolts to improve the performance.
  • 🚴 Motorized bike kit,Power: 5-6 HP (horse power) stock -Top Speed: 25-35 MPH (miles per hour) stock - Fuel Economy: 100-150 miles per gallon
  • 🚴 Fuel Type:Gasoline 93#;Mixing Ratio of Fuel and engine Oil: 16:1 for new sets breaking time, 25:1 after running 300KM;Please use premium quality oils to prolong engine life. And add some lubricant into the air cylinder before starting.
  • 🚴 Bonus Speedometer as gift,Fits Most 26" Wheeled Bikes (Mountain, Cruiser, Chopper, Road) with V-frame. 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").
  • 🚴 Notes:The rider needs basic hardware skills, tools, and around 2-3 hours for installation and fine tuning adjustments. If you do not have experience or the first time on installing the motor kit, before installing, please kindly read our instruction and search "80cc bicycle engine kit" on youtube, it will give a big help and troubleshoot a lot of issues during installation process.
Rank No. #8
High Performance CDI Ignition Coil + Magneto Coil + Spark Plug for 49cc-80cc 2-Stroke Engine Motorized Bicycle Bike
  • Fits: 50cc-80cc 2-Stroke Engine Motorized Bicycles.
  • Our high-quality units are the exact replacement for many brands and models of Mopeds, ATVs, Bicycles and Scooters.
  • Match up exactly with original equipment in perfect fitness, just replace and ride again, easy to install.
  • Package includes: 1 x Magneto coil. 1 x CDI ignition coil(with mounting parts). 1 x spark plug.
  • High quality products with competitive price, fast delivery and good service, free shipping and shipped from USA warehouse.
Rank No. #9
TC-Motor 49cc 50cc 60cc 66cc 80cc Engine Upgrade Boost Power Bottle For 2 Stroke Gas Motorized Bicycle Push Bike Red CNC Alloy
  • Fits: 49cc 50cc 60cc 66cc 80cc Engine Upgrade Boost Power Bottle For 2 Stroke Gas Motorized Bicycle Push Bike Red CNC Alloy
  • Guaranteed Good Quality & Made From the Highest Quality Materials Available
  • Always Responsible Customer Service
  • Product Shipped From China
  • Transport Time 10-15 Days
Rank No. #10
44mm Big Bore 53cc 54cc Performance Top End Upgrade Kit Carburetor 2 Stroke 47cc 49cc Engine Mini Quad Pocket Bike Blue
  • Complete performance upgarde kit for 47/49CC engines to increase 30% power of regular engine, please read description for more fitment info.
  • With new style carburetor, hi-flow air filter, red performance ignition coil and durable 2-spring racing clutch pad for bigger torq transmission.
  • With carbon fiber reed valve to improve high rev performance. The kit comes with 2 pieces of reed valve blocks, one with standard steel reed, 1 piece is with carbon fiber reed valve.
  • Measurement: 44mm bore and pistion,12mm diameter piston wrist. Please check the size of piston wrist pin on your engine. This kit can NOT work with 40mm bore engine which with 10mm piston wrist.
  • With enhanced and lengthened cylinder mounting bolt, 3-electrode spark plug for stronger ignition.
Rank No. #11
XLYZE Glod 49cc 50cc 60cc 66cc 80cc Engine Aluminum Upgrade Boost Power Bottle For 2 Stroke Gas Motorized Bicycle Push Bike CNC
  • Fitment: 49cc 50cc 60cc 66cc 80cc Engine Aluminum Upgrade Boost Power Bottle For 2 Stroke Gas Motorized Bicycle Push Bike CNC
  • Package includes: 1pc Upgrade Boost Power Bottle + 1pc XLYZE key chain
  • Product Shipped From China & Arrival Within 7-15 Business Days
  • High Quality Aftermarket Parts & Responsible Customer Service
  • Please Check The Pictures and Product Description Carefully Before Your Purchase. Thanks!
Rank No. #12
44mm Big Bore 53cc 54cc Performance Top End Upgrade Kit Carburetor 2 Stroke 47cc 49cc Engine Mini Quad Pocket Bike Gold
  • Complete performance upgarde kit for 47/49CC engines to increase 30% power of regular engine, please read description for more fitment info.
  • With new style carburetor, hi-flow air filter, red performance ignition coil and durable 2-spring racing clutch pad for bigger torq transmission.
  • With carbon fiber reed valve to improve high rev performance. The kit comes with 2 pieces of reed valve blocks, one with standard steel reed, 1 piece is with carbon fiber reed valve.
  • Measurement: 44mm bore and piston,12mm diameter piston wrist. Please check the size of piston wrist pin on your engine. This kit can NOT work with 40mm bore engine which with 10mm piston wrist.
  • With enhanced and lengthened cylinder mounting bolt, 3-electrode spark plug for stronger ignition.
Rank No. #13
44mm Big Bore 53cc 54cc Performance Top End Upgrade Kit Carburetor 2 Stroke 47cc 49cc Engine Mini Quad Pocket Bike Silver
  • Complete performance upgarde kit for 47/49CC engines to increase 30% power of regular engine, please read description for more fitment info.
  • With new style carburetor, hi-flow air filter, red performance ignition coil and durable 2-spring racing clutch pad for bigger torq transmission.
  • With carbon fiber reed valve to improve high rev performance. The kit comes with 2 pieces of reed valve blocks, one with standard steel reed, 1 piece is with carbon fiber reed valve.
  • Measurement: 44mm bore and pistion,12mm diameter piston wrist. Please check the size of piston wrist pin on your engine. This kit can NOT work with 40mm bore engine which with 10mm piston wrist.
  • With enhanced and lengthened cylinder mounting bolt, 3-electrode spark plug for stronger ignition.
Rank No. #14
40mm to 44mm Big Bore Heavy Duty Cylinder Top End Upgrade Kit for 2 Stroke 47cc 49cc Mini Quad Pocket Bike Ignition Coil Spark Plug 10mm Wrist Pin
  • 180 days warranty and 100% money back guarantee if not satisfied.
  • Fits for 47cc Pocket Bike Kid ATV Quad and mini dirt Bikes
  • Upgrade a 40mm bore 2-stroke engine to 44mm bore for more hp power output. High performance cylinder with bigger cooling fins and 4-groove.
  • The Kit with 44m cylinder and piston diameter, 10mm piston pin diameter. Please note this kit can NOT fit engine with 12mm wrist pin. Please take measurement before purchasing.
  • Kit includes big fin cylinder block, ignition coil, gasket set, L7T spark plug, ignition coil, 44mm piston., wrist pin, clips, needle bearing and 1 piece of 2-wire version engine kill cable.
Rank No. #15
WEIYINGSI 42mm Air Filter 47cc 49cc 2 Stroke Super Pocket Bike Upgrade Kit Mini Dirt Bike ATV Quad Aluminium Air Filter Set
  • Package Include:1 X Air Filter 1 X Mounting Holder 2 X Screws
  • Air filter Mounting Holder inner diameter : 42 mm ( 16.54 inch )
Rank No. #16
DOMINTY 49cc Bicycle Engine Kit, Motorized Bike 4-Stroke, Gas Petrol Motorized Bike Engine Scooter Parts for Motorized Bicycle Bike Modification (Upgrade Gearbox)
  • [49cc Petrol Gas Engine Kit]- This 49cc Petrol Gas Engine Kit is used to upgrade the regular bike to a motorizedbike. After converting your bike, you can ride faster and further buteasily, and then just enjoy your outdoor trip. The speed can reach up to 43-51km/h, which is the fastest but safe speed you can get. Of course, if you want to ride just with your feet, just stop your petrol gas engine, and use the original equipment of your bike. This engine kit fits most 26" bikes.
  • [Features]-1. A complete engine kit for converting your bike. 2. Heavy duty metal engine body for added durability. 3. Super fuel-efficient, only consuming 2.5 litre fuel per 100km. 4. Fast and smooth, can speed up to 42km/h. 5. Upgrade gearbox has been installed, save your time. 6. Fit for most type 26" bikes, such as mountain bikes, road bikes,cruisers, choppers.
  • [Increase Speed& Easy to Assemble]- This bicycle gasoline engine can greatly get the bicycle speed up to 50km/h as fast as a motorcycle or scooter. The instruction contains every detail of the assembly steps, which makes your assemble process more quickly and easily. Only some basic hardware skills, tools, and fine tuning adjustments, you could have a electric bicycle.
  • [Quiet and Slight Vibration]-4 stroke engines are more stable, more reliable and Quieter than the 2 stroke rivals. When you use it after installation, it only has a slight noise and slight vibration, which will not disturb.
  • [After-sales Service]- If there is any questions please feel free to contact with us, our experienced Senderpick customer service team will response in 24 hours. If you are not satisfied with our product, we will accept your return and provide you with a refund.
Rank No. #17
Anbull 49CC 4-Stroke Gas Petrol Motorized Bike Bicycle Engine Motor Kit for 28” V Frame Bike and 26” ATV
  • 49cc 4 stroke pull start petrol conversion kit fits for normal 28” V frame bike and 26” ATV bike , both with 28-40mm frame tube. Note: Installation instruction not included.It is recommended to find a professional to install or refer to videos online by searching "49CC bike motor installation".
  • This 4 stroke bicycle engine kit is more stable, more reliable and Quieter than the 2 stroke rivals.
  • Mode of engine: single cylinder, air-cooling, 4-stroke; Compression ratio:8.0 : 1; Ignition System: Transistorized magneto ignition. Pls note: The switch has two cables (green and black) and the engine has one cabel (black), you can just connect the black to black and don' t need to connect the green cable.You can wrap it with a electrical tape.
  • 4-stroke 49cc bike engine kit is perfect to upgrade the regular bike to a motorized bike,you can enhance the riding experience by accelerating the speed.
  • 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 2.5.
SaleRank No. #18
139QMB Carburetor for GY6 50CC 49CC 4 Stroke Scooter Taotao Engine 18mm carb+ Intake Manifold Air Filter by TOPEMAI
  • GY6 50CC Carburetor fits most of Chinese Made Scooters and ATV.Such as JONWAY, JMSTAR, ROKETA, SUNL, TANK, PEACE, TAOTAO, Dongfang, Kazuma, JCL, BMS.For GY6 139QMB 139QMA Lance Eagle Tank Urban VIP Future Champion 50 Scooter Moped Parts.
  • High performance Carburetor for GY6 49cc 50cc 80cc 4 Stroke engines.GY6 50CC Carburetor comes with a #75 Main Jet for better fuel to air ratio.This Carburetor upgraded jets for better starting, idling and performance.
  • GY6 50CC Carburetor AKA 139qmb carburetor,139qmb carb,50cc gy6 carburetor,gy6 carburetor 50cc,carburetor gy6 50cc,50cc carburetor,50cc scooter carburetor,taotao 50cc carburetor,taotao 50cc scooter carburetor,50cc moped carburetor,moped 50cc carburetor,18mm carburetor,18mm carb,gy6 49cc carburetor,49cc gy6 carburetor,50cc 4 stroke carburetor,50cc carburetor 4 stroke,gy6 50cc carburetor jets,gy6 carb.
  • Package include: 1 Carburetor,1 Air Filter,1 Fuel Filter,1 Plug Spark,1 Intake Manifold,2 Gaskets.
  • We provide carefree return, and 90 days money back guarantee! Please shop with confidence!
Rank No. #19
Sthus Black Spring Loaded Chain Tensioner For 49cc 66cc 80cc Engine Motorized Bike 2 Stroke Engine
  • Chain Tensioner Spring Loaded For 49cc 66cc 80cc Engine Motorized Bike
  • Package Include: 1 x Chain Tensioner Kit
  • 80cc bike chain tensioner
  • motorized bike chain tensioner
Rank No. #20
MMG Performance Adjustable Carburetor with electric choke for 50cc 80cc GY6 QMB139 4-stroke engines
  • Fully Adjustable Carburetor, CVK 50cc/80cc GY6/QMB139 4-stroke engines
  • 2-Pin Male Connecting Wire - Electric Choke
  • This carburetor comes with a #78 Main Jet for better fuel to air ratio.
  • Fits 50cc/80cc 4 Stroke GY6/QMB139 Engines. | Increase horsepower and airflow for your vehicle.

Last update on 2020-11-20 / Affiliate links / Images from Amazon Product Advertising API

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