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NIMTEK

49cc Scooter Carburetor for GY6 50cc 4 Stroke PD18J Engines

Based on 2,555 reviews
Condition: New
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$22.99
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Availability: In Stock.
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Arrives Friday, Nov 13
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At a glance

Condition
New
Model
49cc 50cc scooter carburetor
Dimensions
3.54"D x 4.33"W x 3.15"H
Weight
0.05 kg
Vehicle Service Type
Go Kart, Moped, Scooter, Street Bike
Flange Type
Bolt On
Item Part Number
139QMB 139QMA PD18J

Features 4

  • Fitment50cc Scooter Carburetor fits 49cc 50cc GY6 4 Stroke Scooter ATV Go Karts Moped 139QMB 139QMA PD18J Engines
  • CompatibilityCarburetor fits most of Chinese Made Scooters and ATV, including popular brands such as TAOTAO ,ROKETA, SUNL, JONWAY, JMSTAR, TANK, PEACE, Dongfang, Kazuma, JCL, BMS
  • SpecficationIdle Jet: 33mm, Main Jet : 78mm; 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 plug
  • FeaturesWith jet upgrades, our carburetor offers optimal idling and performance. Manufactured using by durable and premium materials that ensure durability and long-lasting performance, saving you the hassle of frequent replacement

Description

GY6 50cc Carburetor Fits most 49cc 50cc 4 stroke GY6 139QMB 139QMA scooter ATV go kart moped taotao engines What are the dimensions of this carburetor? Measurement: ID (Intake side): 18mm ; OD (air filter side) : 39mm; Idle Jet: 33mm, Main Jet : 78mm. Electric Choke (plug style): 2-pin, male Accelerator Pump Does it improve scooter performance? Yes, our 50cc gy6 carburetor's jet upgrades optimize fuel delivery for improved idling and overall engine performance. Is this carburetor easy to install? Yes, it is. And if you're not sure how to install it, please search YouTube for a specific installation video. What engines is this carburetor compatible with? Fits most of Chinese Made Scooter Moped, ATVs and Go Karts with GY6 49cc 50cc Engine, such as TAOTAO ,ROKETA, SUNL, Kymco, JONWAY, JMSTAR, TANK, PEACE, Dongfang, Kazuma, JCL, BMS, Wildfire and etc. What other models are also compatible with this carburetor? Gator 50, Qingqi QM50QT-6V, Vento,Tank, Boss,Lifan, Verucci, Qingqi QM50QT-4G, Baja SC50, Baja SC50-P,Panterra Retro 50cc, Panterra Freedom 50cc, CFMoto,Schwinn Laguna 50,Schwinn Hope 50, Baotian BT50QT-11,Panterra Fusion 50cc,X-Treme, Qingqi About us NIMTEK have specialized in producing and providing small engine replacement parts for 10 years, which includes a wide range of outdoor power equipment, such as generator,lawn mower, string trimmer, chainsaw, snow blower, leaf blower etc. To achieve your fixing job easier is our goal, and we believe we'll be your reliable partner in your outdoor life. Premium product quality coupled with timely after-sales service enables every purchase.

Specs 21

Brand NIMTEK
Vehicle Service Type Go Kart, Moped, Scooter, Street Bike
Flange Type Bolt On
Recommended Uses For Product Scooter ATV Moped Go Karts
Specific Uses For Product ATV, Moped, Scooter, Vehicle
Brand Name NIMTEK
Item Part Number 139QMB 139QMA PD18J
Model Number 49cc 50cc scooter carburetor

Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Nov 13

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

Carburetor GY6 Four Stroke
As a seasoned scooter enthusiast, I recently upgraded my ride with the 49cc Scooter Carburetor GY6 Four Stroke, complete with Jet Upgrades, and I must say, the difference is night and day. Here's my detailed experience with this carburetor upgrade: Performance Boost: The first thing I noticed after installing this carburetor is the significant improvement in performance. The engine runs smoother, accelerates more responsively, and maintains consistent power throughout the rev range. The jet upgrades have optimized fuel delivery, resulting in better combustion and overall efficiency. Easy Installation: Installing this carburetor was a breeze, even for someone with limited mechanical experience like myself. The package included clear instructions, and the design of the carburetor itself made it easy to fit into place without any modifications. Within minutes, I had my scooter up and running with the new carburetor installed. Customization Options: One of the highlights of this carburetor is its compatibility with jet upgrades. This allows for fine-tuning of the air/fuel mixture to suit individual riding preferences and environmental conditions. Whether you're looking for improved fuel economy or maximum performance, the ability to adjust the jets provides endless customization options. Durability: Constructed from high-quality materials, this carburetor feels solid and reliable. I've put it through its paces on various terrains and weather conditions, and it has held up admirably without any signs of wear or degradation. It's reassuring to know that I can rely on this carburetor for long-term performance. Value for Money: Considering the significant performance gains and customization options it offers, this carburetor upgrade represents excellent value for money. It's a relatively affordable investment that can transform the riding experience of any 49cc scooter owner. Overall, the 49cc Scooter Carburetor GY6 Four Stroke with Jet Upgrades is a game-changer for anyone looking to unleash the full potential of their scooter. With its performance boost, easy installation, customization options, durability, and value for money, it's a must-have upgrade for enthusiasts seeking an enhanced riding experience. ... show more
Reviewed in the United States on June 1, 2024 by Keith W
Exact fit for Wolf RX50 Scooter
I got this to replace a carb with a bad choke on a Wolf RX50 scooter. It shipped fast and had a good price. It was an exact fit and installed in about 1/2 hour. I didn't have to make any adjustments to the settings. It took a while to get started at first as it takes time to get the carb full of gasoline. Now the scooter starts instantly and runs great. ... show more
Reviewed in the United States on October 30, 2025 by GK5040
Works great
Works great
Reviewed in the United States on September 28, 2026 by mike gable
Better then factory
So it was good to get rid of the factory carb but don’t plan on this thing helping boost performance at all, you’re gonna get the performance lost back and you. An actually get Into this carb for cleaning and jet fine tuning. Was worth the small price
Reviewed in the United States on December 1, 2024 by Amazon Customer
Carb
Working very well
Reviewed in the United States on September 14, 2026 by david jones
very reasonably priced and verygood
reasonably priced excellent carburetor was easy to dial in
Reviewed in the United States on August 23, 2026 by Christopher Warnke
Was satisfied, but now I’m not.
Edit 2021: gas has leaked tremendously. Thought it was something else. It’s leaking from the carb. Wrote the first review too quick. If you end up leaking gags, don’t worry. It’s just the carb going bad. I’d find a new make. I just purchased this again so my niece could get back on it until I find a new one to go with. 2020: Bought this for a taotao 50cc scooter. The scooter would bog down when full throttled and would decrease in acceleration. Always had to find the sweet spot in the throttle to get it to even go 15mph after 15mins of warm up. Wouldn’t even climb a hill with the stock carb. I installed this new carb today, took a minute for the gas to enter the carb trying to start it and about 6th attempt it fired right up. Put the seat back in and drove away. It now reaches 30 to 34mph easily. Full throttle has no issues like before. Climbs hills with a breeze. Great carb. Not sure how it’ll be in two weeks to a month, but if there are any issues, I’ll be back to comment. Probably won’t have any issues. Put it on the same way you took it off. Only difference is I kept the fuel filter bowl on the new carb and attached the fuel line hose to clear fuel bowl. Stock carb didn’t have one and the fuel line ran straight into carb. Other than that, didn’t need to adjust any settings. ... show more
Reviewed in the United States on May 5, 2020 by Colt
S happy I bought this!
I own a Tao 50cc scooter and after a couple months of sitting I began having trouble with it starting and shutting off without throttle. I had to keep it revved at stop signs or when sitting still. After researching I discovered the carburetor gets gunked up with old fuel when it sits too long. I tried to take it apart to clean it only to find it doesn't have screws to open the casing. I didn't want to drill it out so I looked for a new one on Amazon. I found this one and after reading reviews decided to try it. It was super easy to install. I did it myself. I'm a girl with no mechanic experience. I just watched a youtube video. I started up on the third try and it sounded so much better. My scooter now runs perfectly--better than it did brand new. This carburetor is a million times better than the factory one. And twice as fast! Before I could barely get up to 20mpg before the first turn on my block. With this new one I was able to get to 43 before the first turn. I haven't full opened it up but I feel like I could get at least 45mpg. I was very shocked. I didn't expect it to improve speed! This one come with screws to open case so I can easily clean. I love it! ... show more
Reviewed in the United States on July 10, 2020 by joseph h.
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