【Direct Fit】NIMTEK Quality Aftermarket Carburetor designed for GY6 49cc / 50cc 4‑stroke PD18J engines (139QMB / 139QMA) 【Wide Compatibility】Fits most Chinese‑made scooters, mopeds, go karts, and ATVs with 139QMB / 139QMA engines, including popular brands like Taotao, Kymco, Jonway, Roketa, Sunl, Tank, Peace, Dongfang, Kazuma, JCL, BMS, Lance Eagle, Urban VIP, Future Champion 50 and etc. 【Precise Specification】Intake manifold side: 18mm inner / 28mm outer diameter; Air filter intake: 35mm inner / 39mm outer diameter; Electric choke: 2‑pin male plug; Includes accelerator pump for smooth performance 【Complete Upgrade Kit 】Comes with everything you need: 1 carburetor, 1 air filter, 1 intake manifold, 1 spark plug, 2 fuel filters, 2 gaskets, and 2 O‑rings 【Improved Efficiency】This carburetor is built from premium materials to ensure reliable starts, smooth acceleration, and consistent fuel delivery, even under heavy use. Its plug-and-play design allows for easy installation, getting your scooter or ATV running smoothly again in minutes NIMTEK 139QMB Carburetor for GY6 49cc 50cc GY6 4 Stroke engines.

Size:
Intake Manifold side: 18mm (Inner diameter); Intake Manifold side: 28mm (Outer Diameter);
Air Filter Intake: 35mm (Inner diameter); Air Filter Intake: 39mm (Outer Diameter);
Electric Choke (plug style): 2-pin, male; Accelerator Pump .

Fitment:

GY6 49cc 50c carburetor will fit almost all the Chinese Made 4-stroke 139QMB 50CC SCOOTERS and ATV.
Taotao Kymco Scooter Jonway Baja Jmstar Lance NST Peace Banzer Barton Zipp
Romet 4 Stroke GY6 49CC 50CC Chinese Scooter 139QMB 139QMA Moped ATV
4 stroke GY6 50CC SCOOTERS
and other 4 stroke GY6 50cc scooter
ATM, ALIAN, APOLLO
Baja SC50,BE50,JL50QT-15,JL50QT-16 4
BAJA, BMS, BMX, BRAVO
Biaotian BT49QT-2,BT49QT-7,BT49QT-9,BT50QT-9,BT50QT-11
COOLSTER, GO SCOOT
Dazon Diamondback
Eagle 49cc
Excaliber Vanguard 50
Gator 50
Hammerhead/Adly Jet 50,Fox 50
HANSHAN, HI, HIBIR
INTRU DER
JACKEL, JET, JCL, JIANSHE, JINLING
Jinlun 50cc scooter
JMstar Breeze,Z-bike
Jonway Beta50,Lambda 50,QT-6,QT-21,YY50QT5,YY50QT6,YY50QT21
KUZUMA, LIFAN, LONGSHEN, LUCKY
Kymco Agility 50 4T, People 50 4T,Super 8 50 4T,Sento 50 .
Lance GTR50
Longbo LB50QT-6,LB50QT-22
MAXUM, MOUNTAINEER, MOTO, M OTORSPORTS-[PEP BOYS PRODUCTS]
MotoFino MF50QT MF MF50QT-7 .
NST 50cc scooter
NST, ORION, QUINGI
Panterra Retro 50,Freedom 50,Fusion 50
PROPEL, ROAD, RUNNER, ZENN
Qingqi QM50QT-6V,QM50QT-4G
RICARDO, ROKETA, REDCAT
Roketa 50cc .
Roketa Bahama,Maui,Sicily,Tank,Baotian 50QT-9,Maui MC-08-50,Bahama MC-07-50
Schwinn Laguna 50,Hope 50
SEASENG, SCOOTER, SUNL, SUN
Sunl SL50QT-7,SL50QT-2 Sporty 50
Sunny 50cc scooter
Tank Urban 50,Sporty50
Taotao 49cc 50cc 4 stroke scooter such as GT5,Fastwind,amt50-a1,cy50-a,cy50-b,
cy50-t3,funny50,Roman 50,Retro 50,Speedy50, Venus50. and etc.