Top 10 Best Gy6 Big Bore Kit Reviews & Comparison 2021

Looking for the best gy6 big bore kit? We have evaluated 86973 reviews from top experts. Here are our top-ranked picks, including top-selling gy6 big bore kit.

Having trouble buying a great gy6 big bore kit? We understand this problem because we have gone through the entire gy6 big bore kit research process already, which is why we have put together a comprehensive list of the best gy6 big bore kit available in the market today. After hours of researching and using all the models on the market, we find the best gy6 big bore kit of 2021. Check out our ranking below!

RANKING No. 1
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
RANKING No. 2
Trkimal 50mm Cylinder Kits for GY6 49CC 50CC 139QMB Engine, Upgrade GY6 100cc Big Bore Rebuilt Cylinder Kits 4 Stroke Motor for Moped Scooter ATV Go Kart.
  • 1.Inner Diameter of Cylinder bore: 50mm, Outer Diameter of Piston Pin: 13mm
  • 2.Outer Diameter of Piston: 50mm
  • 3.Easy installation, Upgrade your engine from 50cc to 100cc with more power to climb hill
  • 4.Include Cylinder,Piston,Piston Ring,Piston Pin,Piston Pin Clip,Valve Oil Seal,Gaskets,Tensioner Gasket,Exhaust Gasket,Intake&Exhaust Studs,Exhaust Nut
RANKING No. 3
Carbhub GY6 150cc Carburetor GY6 26mm Carb for Kazuma Taotao Roketa SunL Baja Eagle Chinese Go Kart Carb with Air Filter
  • Fits GY6 or GY6 Clone engine 150cc, 150cc Go Kart engine, 150cc Dune Buggie engine, 150cc Buggie engine
  • Fits Moped, ATV, Go Kart,Scooter 150cc. 4-Stroke engine
  • Spec: Carburetor: 26mm Intake Manifold;43mm Air Box Manifold
  • Air filter: Inside diameter is 42mm; Intake manifold Inside Diameter: 22mm
  • Package list: 1x carburetor, 1x air filter, 1x intake manifold, 1x fuel filter
RANKING No. 4
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.
RANKING No. 5
Glixal ATMT1-023 High Performance GY6 61mm 170cc Big Bore Rebuild Cylinder Kit For 152QMI 157QMJ Engine Chinese Scooter Moped ATV
  • 1.Please Note: 61mm Bore Cylinder May Require to Machine the Crankcase on Some Engine Models
  • 2.This Cylinder fits the 76mm Bolt Pattern Engine, It will not work on the 80mm Bolt Pattern
  • 3.Outer Diameter of Piston Pin: 15mm
  • 4.Inner Diameter: 61mm and Outer Diameter: 65mm
  • 5.Include Cylinder,Piston,Piston Ring,Piston Pin,Piston Pin Clip,Valve Oil Seal,Gaskets,Tensioner Gasket,Exhaust Gasket,Intake&Exhaust Studs,Exhaust Nut
RANKING No. 6
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
RANKING No. 7
49cc Scooter Carburetor GY6 Four Stroke with Jet Upgrades
  • Brand New High Quality Aftermarket Carburetor.
  • 49cc Scooter Carburetor GY6 Four Stroke with Jet Upgrades
  • ID (Intake side):18mm ; OD (air filter side) : 40mm .
  • Idle jet: 32mm; Main jet : 82mm.
  • Fits most of Chinese Made Scooters and ATV,such as: TAOTAO ,ROKETA, SUNL, JONWAY, JMSTAR, TANK, PEACE, Dongfang, Kazuma, JCL, BMS.
RANKING No. 8
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
SaleRANKING No. 9
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
RANKING No. 10
AUTOKAY GY6 150 cc Carburetor Carb Scooter Go Kart Howhit Go Cart 26mm 4 stroke 150cc
  • Manufacturer Part Number: GY6-150 4 Stroke Cycle Engine Motor
  • This carburetor will fit most 110, 125, and 150cc engines. 26mm intake inner diameter and air box 43mm outer diameter.
  • Be able to connect an external audio source like: MP3-Player, Portable DVD-Player, Mini Disk-Player, Notebook/Tablet, iPhone /iPod/iPhone, Mobile Phone(such as HTC, Nokia, Samsung etc.), PSP.

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