The Best Gy6 Big Bore Kit : Top 18 Picks By An Expert

When you’re shopping for the best Gy6 Big Bore Kit, it’s important to think about the features and benefits of the product. However, there are other factors that you may not have considered. When it comes to buying a product, it can be hard to know which one is the best for you. That’s where your intuition will come in. When you test out different products and compare them side by side, you’ll be able to figure out which one is best for you.

It can be hard to determine which product is the right fit for you. That’s where reviews come in. With reviews, you can get an idea of how a product is “working” before you buy it. You can also get an idea of what other customers think of a product. This information can help you make a better decision when buying Gy6 Big Bore Kit.

Gy6 Big Bore Kit : Our Top 5 Picks

Best Gy6 Big Bore Kit in 2022

Bestseller No. 1
GY6 Cylinder Rebuild Kits Kymlaa 100cc Big Bore Kit for 69mm Valve 49CC 50CC 139QMB Moped Scooter Engine 50mm Bore Upgrade Set with 6pin Racing CDI Ignition Coil Performance Spark Plug Clutch Spring
  • This big cylinder kit will upgrade your gy6 50cc 60cc 80cc to 100cc, without EGR, to get more RPM,more power, faster maximum speed.
  • 69mm valve length version
  • Simple Installation
  • With cylinder body kits, cylinder head kits, camshaft, camshaft seat kits, gaskets kits, oil pump and gear, spring sets, copper roller sets, 6pins racing AC CDI, ignition coil and racing 3-electrode spark plug
  • Upgrades parts kits for most of 50cc scooter
Bestseller No. 2
GY6 Cylinder Rebuild Kits Trkimal 100cc Big Bore Kit for 64mm Valve 49CC 50CC 139QMB Moped Scooter Engine 50mm Bore Upgrade Set with 6pin Racing CDI Ignition Coil Performance Spark Plug Clutch Spring
  • 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 sets, copper roller sets, 6pins racing AC CDI, ignition coil and racing 3-electrode spark plug
  • Upgrades parts kits for most of 50cc scooter
Bestseller No. 3
GY6 180cc Upgrade Cylinder Head Rebuilt Kit with Valves, 61mm Big Bore with Piston and Ring Assy for 152QMI 157QMJ Engine Chinese Scooter Moped ATV Go Kart Quad
  • 【Cylinder Bore】:Upgrade from 57.4mm to 61mm, Cylinder kits with more power
  • 【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 180cc Cylinder Head Comp with valves, 61mm Bore Cylinder Block, Set of 61mm Piston Assy, Piston, Rings and Wrist Pin, Gaskets.
  • 【Package in cluded】Cylinder head sets and cylinder kits
Bestseller No. 4
69mm Valve Big Bore Kit 100cc replacement for GY6 49CC 50CC 139QMB Moped Scooter Engine 50mm Bore Upgrade Set with Racing CDI Ignition Coil Performance Spark Plug
  • 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
Bestseller No. 5
Glixal ATMT1-008 Performance Big Bore Cylinder Kit GY6 80cc 47mm for 139QMB ATV Scooter Moped Go Kart
  • 1.Inner Diameter of Cylinder: 47mm
  • 2.Outer Diameter of Piston Pin: 13mm
  • 3.High Quality Durable Piston Rings
  • 4.Include Cylinder,Piston,Piston Ring,Piston Pin,Piston Pin Clip,Valve Oil Seal,Gaskets,Tensioner Gasket,Exhaust Gasket,Intake&Exhaust Studs,Exhaust Nut
  • 5. High Performance Upgrade 47mm Cylinder Rebuild Kit for GY6 49cc 50cc 60cc 80cc engine
Bestseller No. 6
Glixal ATMT1-011 139QMB 139QMA Scooter Big Bore Cylinder Kit Rebuild Kit GY6 100cc 50mm Moped ATV Go-Kart
  • 1.Please note this kit is only used for GY6 139QMB 4-Stroke Engine.
  • 2.Inner Diameter of Cylinder: 50mm
  • 3.Outer Diameter of Piston Pin: 13mm
  • 4.Include Cylinder,Piston,Piston Ring,Piston Pin,Piston Pin Clip,Valve Oil Seal,Gaskets,Tensioner Gasket,Exhaust Gasket,Intake&Exhaust Studs,Exhaust Nut
  • 5. High Performance Upgrade 50mm Cylinder Rebuild Kit for GY6 49cc 50cc 60cc 80cc 100cc engine
Bestseller No. 7
69mm Valve GY6 Cylinder Rebuild Kit 100cc Big Bore Kit With Racing CDI / Ignition Coil / Spark Plug / Clutch Spring / 50mm Bore Upgrade Set Compatible With 49CC 50CC 139QMB Moped Scooter Engine
  • Function: You can get higher RPM, power and speed without EGR. And Upgrade your gy6 50cc 60cc 80cc to 100cc.
  • Compatible With: Zhong Hu 50cc / Zongshen Metro 50cc Agility 50 / People S50 4T / Suer 8 50 4T Pagsta mini 49cc--50cc 4 stroke Sinski XSJ50QT-6 / XSJ50QT-B Bahama / Maui / Sicily / Tank / Baotian 50QT-9--Roketa 49cc 50cc 4 stroke scooter Sunl SL50QT-16 / SL50QT-18 / SL50QT-2 / SL50QT-3
  • Compatible With: Jalon JL50QT-15 / JL50QT-16 / JL50QT-18 / JL50QT-21 / JL50QT-21 Falcon Baotian BT49QT-2 / BT49QT-7 / BT49QT-9 / BT50QT-9 / BT50QT-11 / Dotera 50QT-11 motorsports SC-50 sun city / primo / DR50 / Dirt Runner 49--Baja 49cc 50cc 4 stroke scooters GT5 / Fastwind / AMT50-A1 / CY50-A / CY50-B / CY50-T3 / Funny50 / Roman 50 / Retro 50 / Speedy50 / Venus50--Taotao 49cc 50cc 4 stroke scooter
  • Compatible With: GY6 4-stroke 49cc 50cc 60cc 80cc from china. engine SSR Lazer 5 Moped Verucci VC50TS-3M Zongshen ZS50QT-4 VIP future champion 4 stroke Fly 49cc 50cc 4-stroke scooters Tank 49cc 50cc 4-stroke scooters Jinlun 49cc 50cc 4-stroke scooters Sport 50--Eton 49cc 50cc 4 stroke warrior 50--Jonway 49cc 50cc 4 stroke scooters
  • Content: 1* set of 6 gram racing pure copper roller weights 1* cylinder head with 69mm valve 1* rocker arms assembly 2* valve seals 1* oil pump assy 1* 50mm bore cylinder block 1* set of 50mm piston assy 1* all engine gasket 1* set of intake manifold, muffler bolts, and exhaust locking hat 1* 6pins racing AC CDI 1* racing ignition coil 1* racing 3-electrode A7TC spark plug 1* set of clutch small racing spring 1* racing clutch big spring
Bestseller No. 8
Complete GY6 Cylinder Head Rebuild Kits with valves, Trkimal 57.4mm 150cc Big Bore Upgrade Kits for 4 stroke 157QMJ Engines Chinese scooter moped parts, GY6 Engine parts Sunl Roketa Peace
  • 【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 Engine Gasket, 6pins CDI, Ignition coil, DC regulator, relay, A7TC Spark Plug, Set of Intake Manifold and Muffler Bolts, and Exhaust locking ha, Set of 14 Gram roller , Rocker Arms, Valve Seals, Oil Pump Assy with Driving Gear, Camshaft, Camshaft chain 90, belt 835*18*30, Chain adjuster, Oil screen, spring, cover and oil seal, Starter clutch, intake mani
Bestseller No. 9
MMG Complete Assy Upgrade Rebuild GY6 Cylinder Kit 100cc - 50mm piston, 70mm Valves for 4 stroke 139QMB 139QMA
  • COMPLETE Upgrade/Rebuild Kit for 4-stroke 139QMB 139QMA
  • High Quality brand new parts
  • Full Description Below:
Bestseller No. 10
GY6 125cc/150cc Engine Upgrade to 180cc with Cylinder Head Valves and Rebuilt Kit, 61mm Big Bore kits with Piston and Ring Assy for 152QMI 157QMJ Engine Chinese Scooter Moped ATV Go Kart Quad
  • 【Cylinder Bore】:Upgrade from 57.4mm to 61mm, Cylinder kits with more power
  • 【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 180cc Cylinder Head Comp with valves, 61mm Bore Cylinder Block, Set of 61mm Piston Assy, Piston, Rings and Wrist Pin, Gaskets.
  • 【Package in cluded】Cylinder head sets and cylinder kits
Bestseller No. 11
NCY 1100-1288 171cc Aluminum Big Bore Cylinder Kit for the Genuine 125 and 150 GY6 Scooters
  • 61 mm Bore Size
  • Turns you 150cc scooter into a 177cc
  • No cutting required, with most 61mm cylinder kits, you have to cut the engine cases
  • Light weight cut-down piston to increase performance
  • 62.9mm Outer Cylinder Skirt Diameter
Bestseller No. 12
GOOFIT Performance Big Bore Cylinder Kit GY6 80cc 47mm for 139QMB ATV Scooter Moped Go Kart
  • Inner Diameter of Cylinder: 47mm,Outer Diameter of Piston Pin: 13mm
  • Include Cylinder,Piston,Piston Ring,Piston Pin,Piston Pin Clip,Valve Oil Seal,Gaskets,Tensioner Gasket,Exhaust Gasket,Intake&Exhaust Studs,Exhaust Nut
  • One week money back guarantee if not satisfied
  • Easy installation with video instruction,you can visit the video on our Facebook homepage and Youtube.
  • High Performance Upgrade 47mm Cylinder Rebuild Kit for GY6 49cc 50cc 60cc 80cc engine
Bestseller No. 13
GY6 Cylinder Rebuild Kits Trkimal 47mm 80cc Big Bore Upgrade Kits for 49cc 50cc 139QMB Engines 64mm Valve scooter moped parts, GY6 Engine parts for Chinese Scooter(64mm Valve Length)
  • 【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 of Engine Gasket, 6pins CDI, Ignition coil, 4pin AC regulator, relay, A7TC Spark Plug, Set of Intake Manifold and Muffler Bolts, and Exhaust locking ha, Set of 8.5 Gram roller , Rocker Arms, Valve Seals, Oil Pump Assy with Driving Gear, Camshaft, Camshaft chain 82, belt 699*18*30, Chain adjuster, Oil screen, spring, cover and oil seal, Starter clutch
  • 【Fit to】Roketa, Sunl, Baja, Taotao, Panterra, Redcat Tank Giovanni Wildfire Xtreme Seaseng Qlink Yiben Jonway Jmstar, Vento
Bestseller No. 14
170-180CC 61mm GY6 150cc Big Bore Cylinder Kit with Camshaft and Cylinder Head, Gaskets for Scooter Moped ATV Quad (US Stock)
  • ★NOTE - Installation Manual Is NOT Included /Professional Installation Is Highly Recommended /Manual measurement, there is a certain error
  • ★DETAIL - 180cc BIG BORE KIT (61mm BORE) #1 For Scooter ATV Quad With 150cc GY6 Motors
  • ★FITS (For the reference) - For ATV and Quad: Loncin, Yamaha, Linhai, Honda, Zongshen, Buyan, Polaris, Bashan, Hsun, Shineray, Jinling, kazuma, Lifan, Taotao, Suzuki, chinese, gsmoon, Manco talon etc
  • ★PACKAGE INCLUDES - 1 x Big Bore Cylinder Kit (inclued Camshaft and Cylinder Head, Gaskets)
  • ★SERVICE GUARANTEE - Our products are shipped from the US warehouse, and we will ship your order as soon as possible. If you have any questions, please feel free to contact us. We will try our best to resolve your issue within 24 hours.
Bestseller No. 15
Trkimal GY6 150cc 57.4mm Bore Cylinder kit with Piston Kit 4 Stroke 152QMI 157QMJ for TAOTAO JONWAY ZNEN Roketa ATV Moped Go-Kart
  • 1.Inner Diameter of Cylinder: 57.4mm
  • 2.Outer Diameter of Piston Pin: 15mm
  • 3.Easy installation, Include Cylinder,Piston,Piston Ring,Piston Pin,Piston Pin Clip,Valve Oil Seal,Gaskets,Tensioner Gasket,Exhaust Gasket,Intake&Exhaust Studs,Exhaust Nut.
  • 4.Complete new products with the famous Chinese brand in the field of cylinder, piston and piston rings.
Bestseller No. 16
Trkimal Performance Upgrade Big Bore Cylinder Kit GY6 80cc 47mm for GY6 49cc 50cc 139QMB ATV Scooter Moped Go Kart
  • 1.Inner Diameter of Cylinder: 47mm
  • 2.Outer Diameter of Piston Pin: 13mm
  • 3.Easy installation, Upgrade your engine from 50cc to 80cc with more power
  • 4.Include Cylinder,Piston,Piston Ring,Piston Pin,Piston Pin Clip,Valve Oil Seal,Gaskets,Tensioner Gasket,Exhaust Gasket,Intake&Exhaust Studs,Exhaust Nut
  • 5.Please contact us if you have any problem about our products, and we will offer you an satisfied solution
Bestseller No. 17
GOOFIT 63mm Big Bore Cylinder Piston Kit for 4-Stroke GY6 180cc Engines ATV Scooter Go Kart
  • 63mm cylinder bore
  • Cylinder kit for GY6 180cc Go Kart and ATV
  • Package including: cylinder body,piston,gasket,piston stud,piston ring,clips
  • Arrival within 7-15 days (Ships from and sold by GOOFIT)
Bestseller No. 18
Chanoc 61mm 180cc Big Bore Kit for GY6 150cc ATV Scooter 157QMJ Engine
  • 61mm bore
  • Upgrade your engine from 150cc to 180cc
  • Widely used for GY6 150 engine upgrade
  • Fit for 157QMJ and 1P57QMJ engine
  • Package come with cylinder head,piston,piston rings,stud,gasket

Thing to Consider Before When Buying

If getting the Gy6 Big Bore Kit is what you aim for, just the reviews will not be sufficient. To properly scrutinize the offering, you would also need to keep a couple of essential factors in mind. And the factors that we are referring to here are:

Build Quality

The first thing that you would need to consider is the build quality. Here, the better the build quality, the better the performance will be. Also, a better build also means a higher lifespan. In other words, the ones that feature the construction of high-quality materials will last for an extended amount of time.

Brand value:

A popular brand always provides the best quality product. That’s why when we want to select a product we must focus on reputed brands.

Feature and specification:

We know one thing; everyone wants in products update feature and best specification. We are trying to make a list with higher Features and specifications for customer satisfaction.

Customer Ratings:

The customer gives a rating after satisfaction. So customers rating is also the most important thing that we take into consideration while choosing the best products.

Customer Reviews:

Ratings can be manipulated and we don’t think this could be the only thing considered. To avoid mistakes, we consider going through real users reviews to select the best Brake pads for slotted rotors.

Value for money:

An expensive product may not be always good. Rather, it could be like wasting your money. We always keep this in mind and avoid over-priced Brake pads for slotted rotors products on the list.

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The products aren’t picked randomly. We research products and make the best product list following perfect criteria. So, you can purchase it with trust. Thank you.

Conclusion

That’s it for today and we hope that now you know what is the best Gy6 Big Bore Kit! Consequently, many other audiences can sort out their choice in the shortest possible time if they are winding up with the same sort of requirements. That’s it, have fun!!!

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