49cc Scooter Carburetor for GY6 50cc 4 Stroke Moped ATV Go Karts Scooter 139QMB PD18J Engines with Jet Upgrades
Condition: New
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Availability:
In Stock.
Arrives
Tuesday, May 5
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Features
- 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
Brand: NIMTEK
Vehicle Service Type: Go Kart, Moped, Scooter, Street Bike, street-motor-scooters
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
Manufacturer: NIMTEK
UPC: 704298830409
Item Type Name: Street-motor-scooters
Included Components: /
Item Weight: 0.05 Kilograms
Manufacturer Warranty Description: Manufacturer warranty for 180 days from date of purchase
Compatible with Vehicle Type: Go Kart, Moped, Scooter, Street Bike, street-motor-scooters
Exterior Finish: Polished
Flange Type: Bolt On
Recommended Uses For Product: Scooter ATV Moped Go Karts
Specific Uses For Product: ATV, Moped, Scooter, Vehicle
Item Dimensions D x W x H: 3.54"D x 4.33"W x 3.15"H
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Tuesday, May 5
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.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
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.
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Reviewed in the United States on June 1, 2024 by Keith W
The media could not be loaded. 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.
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Reviewed in the United States on October 30, 2025 by GK5040
Good quality. Bolt on and go. No issues.
Reviewed in the United States on December 21, 2025 by Darrell Reinhold
Installed and operated as expected . Scooter runs like new !!
Reviewed in the United States on June 4, 2025 by chris
I installed this in a 2008 Wildfire 50cc scooter. It had been sitting for a few years and would barley idle. I didn’t want to clean out the carb when I realized I can just buy this one! This carb will work with any gy6 engine (which basically means almost every Chinese scooter on earth). The installation went smoothly, as much as any other carb install. It fit my gy6 50cc engine very well. This procedure might take a little longer for a beginner, but if you can watch YouTube you can learn how to do this. Before you begin, I suggest using colored tape to mark all of the hoses. Then take lots of photos of your old carb. This will make it easier when you install this new one. The air intake was slightly difficult to connect but that is usually the case, as you want tight connections! My old carb was basically useless so I don’t have much I’d a “before and after” comparison as far as old carb and new carb performance. But I can tell you this made a dead scooter alive again! I actually didn’t adjust any of the screws on the carb as far as idle and mixture. The stock settings worked great.
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Reviewed in the United States on July 10, 2020 by MikeDProducer
Good
Reviewed in the United States on March 15, 2026 by Dave
I just put this carb on a 2012 taotao 50cc that was covered in mud and sat outside for 4 years with a little cleanig a new battery,fuel lines,vacuum lines and spark plug that little scooter started up no problem and runs like new thanks for the quality carburetor Updated on October 13 the scooter started running funny and stalling at lights so i went over everything else i thought it couldn't be the carb but i had to check after everything else seemed okay and that was it the carb had aluminum flakes inside the slow jet and in between the housing and gaskets that's when I found out that they lied about the jet sizes I'm not happy but I cleaned it out and I'm putting it back in after I make sure everything is okay I will update this again 2nd update Its been a while since i put it back in and it is still running great so i guess over all it's a good carb they just need to be honest and have some quality control
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Reviewed in the United States on August 21, 2019 by Versys 650
My daughter has a new to her Chinese 50 with only 630 miles. It apparently never ran right, struggling to get to 20 mph. I went through the stock carb, and removed the plugs so I could adjust the mixture. It would hit 20, struggle to 25, and hit 30 on a downhill ( using GPS). Knowing it had carb issues still I ordered this unit. Seeing some negative reviews on fuel in the air filter I pulled the float bowl to make sure it wasn't stuck and to check the level. My unit was fine. We installed it, and after priming it it fired right up. It was hesitating at wide open throttle. I took it down our street and it would bog/lose power. It couldn't hit 15mph. It felt like it was starving for air. I pulled it back in and removed the air filter hose. (Filter is clean). Immediately it was revving good. I took it down the street and hit 35mph on level ground. I went ahead and put a pod filter on it. It runs great. On a slight downhill I hit 45, but level ground it has no issue holding 35. So if you have a loss of power after installation try removing the air box. Overall I am very satisfied with this carb.
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Reviewed in the United States on July 6, 2019 by Jayko