20 Best 50cc Gy6 Engine Upgrades [2024]

Are you looking for the best 50cc gy6 engine upgrades? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling 50cc gy6 engine upgrades.

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# Preview Product
1 69mm Valve Big Bore Kit 100cc replacement for GY6 49CC 50CC 139QMB Moped Scooter Engine 50mm Bore... 69mm Valve Big Bore Kit 100cc replacement for GY6 49CC 50CC 139QMB Moped Scooter Engine 50mm Bore...
2 Glixal ATKS-041 High Performance Racing Variator Kit with 6.5 gram Roller Weights for Chinese... Glixal ATKS-041 High Performance Racing Variator Kit with 6.5 gram Roller Weights for Chinese...
3 NEW 50CC CARBURETOR Performance Adjustable CARBURETOR with electric choke for 50cc 80cc GY6... NEW 50CC CARBURETOR Performance Adjustable CARBURETOR with electric choke for 50cc 80cc GY6...
4 Glixal High Performance Racing Clutch Assy with Clutch Bell for GY6 49cc 50cc 139QMA 139QMB Engine... Glixal High Performance Racing Clutch Assy with Clutch Bell for GY6 49cc 50cc 139QMA 139QMB...
5 GY6 Cylinder Rebuild Kits Trkimal 100cc Big Bore Kit for 64mm Valve 49CC 50CC 139QMB Moped Scooter... GY6 Cylinder Rebuild Kits Trkimal 100cc Big Bore Kit for 64mm Valve 49CC 50CC 139QMB Moped...
6 GY6 Cylinder Rebuild Kits Trkimal 47mm 80cc Big Bore Upgrade Kits for 49cc 50cc 139QMB Engines 64mm... GY6 Cylinder Rebuild Kits Trkimal 47mm 80cc Big Bore Upgrade Kits for 49cc 50cc 139QMB Engines...
7 Trkimal Upgrade GY6 50cc 100cc High Performance Camshaft 139QMB 139QMA Scooter Moped ATV Go Karts... Trkimal Upgrade GY6 50cc 100cc High Performance Camshaft 139QMB 139QMA Scooter Moped ATV Go Karts...
8 GOOFIT Big Bore Cylinder Rebuild Kit for GY6 50cc 139QMB Racing Scooter Parts 64mm Valve GOOFIT Big Bore Cylinder Rebuild Kit for GY6 50cc 139QMB Racing Scooter Parts 64mm Valve
9 Complete GY6 Cylinder Head Rebuild Kits with valves, Trkimal 57.4mm 150cc Big Bore Upgrade Kits for... Complete GY6 Cylinder Head Rebuild Kits with valves, Trkimal 57.4mm 150cc Big Bore Upgrade Kits...
10 Wingsmoto 100cc Big Bore Kit for 64mm Valve GY6 49CC 50CC 139QMB Moped Scooter Engine 50mm Bore... Wingsmoto 100cc Big Bore Kit for 64mm Valve GY6 49CC 50CC 139QMB Moped Scooter Engine 50mm Bore...
11 NIMTEK 50cc Scooter Carburetor GY6 Four Stroke with Jet Upgrades Scooter Moped ATV NIMTEK 50cc Scooter Carburetor GY6 Four Stroke with Jet Upgrades Scooter Moped ATV
12 64mm Valve Big Bore Kit 100cc replacement for GY6 49CC 50CC 139QMB Moped Scooter Engine 50mm Bore... 64mm Valve Big Bore Kit 100cc replacement for GY6 49CC 50CC 139QMB Moped Scooter Engine 50mm Bore...
13 Trkimal High Performance Upgrade Adjustable Racing AC CDI Box 6pin with an 3 Electrode Spark Plug... Trkimal High Performance Upgrade Adjustable Racing AC CDI Box 6pin with an 3 Electrode Spark Plug...
14 Glixal ATMT1-073-1 GY6 49cc 50cc 80cc 100cc 20mm Big Bore CVK Carburetor with Electric Choke for... Glixal ATMT1-073-1 GY6 49cc 50cc 80cc 100cc 20mm Big Bore CVK Carburetor with Electric Choke for...
15 Wetenex GY6 Carburetor for 49CC 50CC 80CC 139QMB 4 Stroke Taotao Go Kart Moped Scooter 18MM Carb Wetenex GY6 Carburetor for 49CC 50CC 80CC 139QMB 4 Stroke Taotao Go Kart Moped Scooter 18MM Carb
16 HIAORS Gas Fuel Filter Hose Tube Line for Chinese GY6 50cc 150cc 139QMB 157QMJ Tao Tao Scooter ATV... HIAORS Gas Fuel Filter Hose Tube Line for Chinese GY6 50cc 150cc 139QMB 157QMJ Tao Tao Scooter...
17 AHL Starter Solenoid Relay for 4-Stroke GY6 Engine 50cc 70cc 90cc 100cc 150cc 200cc 250cc ATV Dirt... AHL Starter Solenoid Relay for 4-Stroke GY6 Engine 50cc 70cc 90cc 100cc 150cc 200cc 250cc ATV...
18 139qmb 20mm carburetor pd18j carburetor for 49cc 50cc gy6 scooter carburetor 139qmb 20mm carburetor pd18j carburetor for 49cc 50cc gy6 scooter carburetor
19 NIBBI High Performance Air Filter Intake Curve Pipe Air Filter Elbow Air Intake Pipe Air Intake... NIBBI High Performance Air Filter Intake Curve Pipe Air Filter Elbow Air Intake Pipe Air Intake...
Bestseller No. 1
69mm Valve Big Bore Kit 100cc replacement for GY6 49CC 50CC 139QMB Moped Scooter Engine 50mm Bore...
  • This big bore kit will upgrade your gy6 50cc 60cc 80cc to 100cc, without EGR, to get more RPM,more power, faster maximum speed.
  • We have 2 versions, 64mm and 69mm valve length version. Please confirm before ordering.
  • Easy installation With racing AC CDI, ignition coil and racing spark plug included
  • This is one of the best upgrades you can do to your 50cc Scooter
SaleBestseller No. 2
Glixal ATKS-041 High Performance Racing Variator Kit with 6.5 gram Roller Weights for Chinese...
  • Variator Outer Diameter:89mm
  • Variator Inner Diameter:20mm
  • Bush Size: O/D:20MM; I/D:14mm; Length:38mm
  • Roller Sets Weight: 6.5g
  • Roller Weight Size: 16x13 mm
Bestseller No. 3
NEW 50CC CARBURETOR Performance Adjustable CARBURETOR with electric choke for 50cc 80cc GY6...
  • Fits 50cc/80cc 4 Stroke GY6/QMB139 Engines. | Increase horsepower and airflow for your vehicle.
  • Intake ID::18.5mmAir Filter Mount OD: 40mm
  • 2 wire electric choke
  • This carburetor comes with a #78 Main Jet for better fuel to air ratio.
  • Package includes 1 pc carburetor,1 pc air filter ,1 pc intake manifold, 1 pc fuel filter 1 pc gasket
Bestseller No. 4
Glixal High Performance Racing Clutch Assy with Clutch Bell for GY6 49cc 50cc 139QMA 139QMB Engine...
  • 22 splines inside the clutch bell; Assembly Comes with 2000RPM Clutch Springs
  • OD of bell: 117mm, OD of pulley: 119mm
  • Pulley Needle Bearing: HK172518RS
  • ID of bearing in clutch shoe assy: 12mm (6901RS)
  • Please Note: The exact performance of upgrade parts will be affected by many other factor
Bestseller No. 5
GY6 Cylinder Rebuild Kits Trkimal 100cc Big Bore Kit for 64mm Valve 49CC 50CC 139QMB Moped Scooter...
  • This big cylinder kit will upgrade your gy6 50cc 60cc 80cc to 100cc, without EGR, to get more RPM,more power, faster maximum speed.
  • 64mm valve length version
  • Easy Installation
  • Upgrade engine parts included cylinder body kits, cylinder head kits, camshaft, camshaft seat kits, gaskets kits, oil pump and gear, clutch spring...
  • Upgrades parts kits for most of 50cc scooter
Bestseller No. 6
GY6 Cylinder Rebuild Kits Trkimal 47mm 80cc Big Bore Upgrade Kits for 49cc 50cc 139QMB Engines 64mm...
  • 【Cylinder Bore】: 47mm / Non-EGR Cylinder
  • 【Valve length】: 64mm
  • 【Apply to】: GY6 4 stroke 49cc 50cc 60cc 80cc engine upgrade for most of chinese scooter, atv and go karts
  • 【Parts included】:GY6 80cc Cylinder Head with 64mm valve, 47mm Bore Cylinder Block, Set of 47mm Piston Assy, Piston, Rings and Wrist Pin, Full Set...
  • 【Fit to】Roketa, Sunl, Baja, Taotao, Panterra, Redcat Tank Giovanni Wildfire Xtreme Seaseng Qlink Yiben Jonway Jmstar, Vento
Bestseller No. 7
Trkimal Upgrade GY6 50cc 100cc High Performance Camshaft 139QMB 139QMA Scooter Moped ATV Go Karts...
  • 【Compatible for 】 GY6 50cc-100cc 4-stroke 139QMB engines
  • 【Specification】34teeth, light weight sprocket
  • 【Simply Assembly】Easy To Install & Perfect Fit.
  • 【 Instruction】Installation Instruction is not included
  • 【Upgrade Camshaft】CNC high performance GY6 50cc camshaft
Bestseller No. 8
GOOFIT Big Bore Cylinder Rebuild Kit for GY6 50cc 139QMB Racing Scooter Parts 64mm Valve
  • It can be Only Used for GY6 4stroke 49cc 50cc engine upgrade
  • Easy installation with video instruction,you can visit the video on our facebook homepage and Youtube.
  • Best way to get more RPM,maximum upgrade kit for GY6 50cc 139QMB engine and 1P39QMB Engine.
  • Valve Length 64mm ,does not for 69mm one
  • The Belt Cover/CVT Cover Gasket is for a Short Case Version
Bestseller No. 9
Complete GY6 Cylinder Head Rebuild Kits with valves, Trkimal 57.4mm 150cc Big Bore Upgrade Kits for...
  • 【Cylinder Bore】: 57.4mm / Non-EGR Cylinder body
  • 【Full sets of parts】: Complete parts is suitable for motorcycle maintenance shop, motorcycle parts supermarket and personal use with nice price.
  • 【Apply to】: GY6 4 stroke 125cc/150cc engine for most of chinese scooter, atv and go karts
  • 【Parts included】:GY6 150cc Cylinder Head Comp, 57.4mm Bore Cylinder Block, Set of 57.4mm Piston Assy, Piston, Rings and Wrist Pin, Full Set of...
Bestseller No. 10
Wingsmoto 100cc Big Bore Kit for 64mm Valve GY6 49CC 50CC 139QMB Moped Scooter Engine 50mm Bore...
  • This big bore kit will upgrade your gy6 50cc 60cc 80cc to 100cc, without EGR, to get more RPM,more power, faster maximum speed.
  • We have 2 versions, 64mm and 69mm valve length version. Please confirm before.
  • Easy installation
  • With racing AC CDI, ignition coil and racing spark plug included
  • This is one of the best upgrades you can do to your 50cc Scooter
Bestseller No. 11
NIMTEK 50cc Scooter Carburetor GY6 Four Stroke with Jet Upgrades Scooter Moped ATV
  • Brand New High Quality Aftermarket Carburetor.
  • Carburetor with accelerator pump for many 49cc 50cc GY6 QMB139 4-stroke scooter engines.
  • Upgraded jets for better starting, idling and performance. 85 main jet, 32 pilot jet.
  • 18mm ID (Intake side), 40mm OD (air filter side)
  • Carburetor fits: Trikimal GY6 49cc 50cc 80cc Carburetor fits most of Chinese Made Scooters and ATV. Such as SUNL, TANK, PEACE, JONWAY, JMSTAR,...
Bestseller No. 12
64mm Valve Big Bore Kit 100cc replacement for GY6 49CC 50CC 139QMB Moped Scooter Engine 50mm Bore...
  • This big bore kit will upgrade your gy6 50cc 60cc 80cc to 100cc, without EGR, to get more RPM,more power, faster maximum speed.
  • We have 2 versions, 64mm and 69mm valve length version.
  • Bore size: 1.97 inch / 50mm
  • Valve length:64mm / 2.52 inch
  • With racing AC CDI, ignition coil and racing spark plug included This is one of the best upgrades you can do to your 50cc Scooter
Bestseller No. 13
Trkimal High Performance Upgrade Adjustable Racing AC CDI Box 6pin with an 3 Electrode Spark Plug...
  • 【Specification】High performance upgrade 12V AC 6 Pins racing CDI
  • 【Fitment】152QMI 157QMJ engine, moped scooter ATV go kart, adjustable Racing Ignition CDI Box For GY6 50cc 125cc 150cc Quad
  • 【Package Included】1* AC CDI + 1* 3 Electrode Spark Plug
  • 【Fisrt Class Service】We promiss 6 month quality guarantee. Please contact us if you have any problem about our products, we will solve it in 7-24...
Bestseller No. 14
Glixal ATMT1-073-1 GY6 49cc 50cc 80cc 100cc 20mm Big Bore CVK Carburetor with Electric Choke for...
  • 1 pc x 20mm Big Bore 139QMB 139QMA Carburetor
  • Intake Side inner Diameter: 20mm, Intake Side Outer Diameter: 28mm
  • Air Filter Mount inner Diameter: 35mm, Air Filter Mount Outer Diameter:39mm
  • Electric Choke (plug style): 2-pin, male
  • Include Accelerator Pump and Durable Fuel Filter
Bestseller No. 15
Wetenex GY6 Carburetor for 49CC 50CC 80CC 139QMB 4 Stroke Taotao Go Kart Moped Scooter 18MM Carb
  • GY6 Carburetor Replacement for all the Chinese Made 4-stroke 139QMB 139QMA 50CC 60CC 80CC PD18J PD19J SCOOTERS and ATV.
  • Carburetor GY6 Replacement for Tao-Tao Peace Iceberg Roketa Baja Baccio Scooters Jonway Jmstar Sunl Tank Dongfang Kazuma JCL BMS atv engines.
  • Intake Side Inner Diameter: 18mm. Intake Side Outer Diameter: 28mm. Main jet size:75#; Idle jet: 32mm.
  • The package includes a carburetor for 50cc.
  • We provides one-year warranty for all products sold from us! Carefree return! Money back if dissatisfied!
Bestseller No. 16
HIAORS Gas Fuel Filter Hose Tube Line for Chinese GY6 50cc 150cc 139QMB 157QMJ Tao Tao Scooter ATV...
  • High precision spring Clamps band type clips for hose air hose, water pipe, motorcycle fuel line
  • 6mm Inner Diameter Spring Clamps for 5mm Fuel Line Filter
  • Fit Trailmaster 150 XRS XRX Tomberlin Manco Kandi 150cc Go Karts
  • HIAORS considers more on safety and practicability, pursuing to let all users enjoy the reliable products
SaleBestseller No. 17
AHL Starter Solenoid Relay for 4-Stroke GY6 Engine 50cc 70cc 90cc 100cc 150cc 200cc 250cc ATV Dirt...
  • Compatible with: 4-Stroke GY6 Engine 50cc 70cc 90cc 110cc 125cc 150cc 200cc 250cc ATV Dirt Bikes Scooters Go Kart Dne Buggys Quad 4 Wheelers Pit Bike...
  • Replace Oem Code: 35850-286-007,35850-286-027,35850-286-017,35850-375-000;Polaris Sawtooth 200 QUAD 2006-2007, Polaris Ranger RZR 170 2009-2010,...
  • Compatible with: Starter Solenoid Relay for Honda Clones 50cc, 70cc, 110cc, 125cc, 250cc etc. Also may fit brand with paretta 125 cc GY6 engine:...
  • Compatible with:Honda 50CC 70CC 90CC 110CC 125CC 250CC TRX400EX TRX400 TRX300 TRX300EX SporTrax TRX350 TRX250EX TRX250 Fourtrax Recon TRX250 ATC 125M...
  • Quality Assurance!If you are not satisfied with our products,we accept all of the return,replacement or refund requests;Note: There are two types of...
Bestseller No. 18
139qmb 20mm carburetor pd18j carburetor for 49cc 50cc gy6 scooter carburetor
  • 49cc Carburetor Fits most of Chinese Made Scooters and ATV,such as: TAOTAO ,ROKETA, SUNL, JONWAY, JMSTAR, TANK, PEACE, Dongfang, Kazuma, JCL, BMS. For...
  • Brand New High Quality Aftermarket Carburetor.
  • High performance - The perfect solution for the appropriate ratio of air and fuel mixture,provides great power and torque.It's an ideal replacement...
  • 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...
  • Package include: 1 Carburetor,1 Air Filter,1 Fuel Filter,1 Plug Spark,1 Intake Manifold,2 Gaskets.
Bestseller No. 19
NIBBI High Performance Air Filter Intake Curve Pipe Air Filter Elbow Air Intake Pipe Air Intake...
  • This is a curved aluminum pipe
  • This is an air intake pipe specially manufactured by Nibbi.
  • It can be used to lengthen the air intake duct to fit the body of the motorcycle, and it can be used where there are not enough places or where...
  • It does not have any effect on the exhaust emissions of motorcycles, and it will not affect the power system and it does not participate in emissions.
  • Please contact us if you have any questions, Nibbi will always be your trusted partner

Having trouble finding a great 50cc gy6 engine upgrades?

This problem is well understood by us because we have gone through the entire 50cc gy6 engine upgrades research process ourselves, which is why we have put together a comprehensive list of the best 50cc gy6 engine upgradess available in the market today.

After hours of searching and using all the models on the market, we have found the best 50cc gy6 engine upgrades for 2023. See our ranking below!

How Do You Buy The Best 50cc Gy6 Engine Upgrades?

Do you get stressed out thinking about shopping for a great 50cc gy6 engine upgrades? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching 50cc gy6 engine upgrades, which is why we have assembled a comprehensive list of the greatest 50cc gy6 engine upgrades available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for 50cc gy6 engine upgrades that you consider buying. Your questions might include the following:

  • Is it worth buying an 50cc gy6 engine upgrades?
  • What benefits are there with buying an 50cc gy6 engine upgrades?
  • What factors deserve consideration when shopping for an effective 50cc gy6 engine upgrades?
  • Why is it crucial to invest in any 50cc gy6 engine upgrades, much less the best one?
  • Which 50cc gy6 engine upgrades are good in the current market?
  • Where can you find information like this about 50cc gy6 engine upgrades?

We’re convinced that you likely have far more questions than just these regarding 50cc gy6 engine upgrades, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for 50cc gy6 engine upgrades, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible 50cc gy6 engine upgrades. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an 50cc gy6 engine upgrades buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 50cc gy6 engine upgrades currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of 50cc gy6 engine upgrades has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an 50cc gy6 engine upgrades?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your 50cc gy6 engine upgrades.
  5. Customer Ratings: Number ratings grade 50cc gy6 engine upgrades objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 50cc gy6 engine upgrades.
  7. Product Quality: You don’t always get what you pay for with an 50cc gy6 engine upgrades, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an 50cc gy6 engine upgrades is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining 50cc gy6 engine upgrades information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding 50cc gy6 engine upgrades is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: What are the parts of GY6 50 high performance?

A: GY6 50 High Performance Parts GY6 50 139 QMB High Performance Parts and Upgrades 49cc 139QMB/139QMA 49cc Scooter Engine High Performance and Stock Parts When upgrading your 139QMB GY6 49cc four stroke engine the four main areas to consider are engine, exhaust, fuel and air and trans. Build out from these and you will get results.

Q: What do you need for a GY6 50cc Scooter?

A: GY6 50 Parts and High Performance Upgrades 139QMB High Performance Upgrades for GY6 50 50cc scooters from Schwinn, Q Link, Avanti,Geely/Jalon Tank, Verucci, Roketa, Meitian and many other chinese clones. All you need as in cylinder kits, air filters, main jets, coils and cdis and much more.

Q: Are there any 50cc GY6 50cc exhausts?

A: Unfortunately the 50cc maddogs don’t have many exhaust options. Its not that there are a limit of gy6 50cc exhausts…is the fact they dont clear the Maddog Fatty rear wheel. That being said MonsterGY6 has made a great header and full system for the 50cc Maddog. A cdi works to raise the rev limiter.

Q: How much does a GY6 50 cost?

A: Sale: $9.99 GY6 50 Performance Gears Price: $59.99 Sale: $49.99 GY6 50 Performance Exhaust Price: $199.99 Sale: $179.99 NCY 63mm Gasket Kit Head and Base Price: $19.99 Sale: $19.99 Choke Conversion CVK Price: $39.99 Sale: $29.99 Piston 139QMB 52mm Price: $59.99 Sale: $49.99 GY6 50 52mm BBK Price: $229.99 Sale: $219.99 GY6 50 Performance Air Filter