{"product_id":"nimtek-49cc-scooter-carburetor-for-gy6-50cc-4-stroke-engines-with-jet-upgrades-fits-139qmb-pd18j","title":"NIMTEK 49cc Scooter Carburetor for GY6 50cc 4-Stroke Engines with Jet Upgrades — Fits 139QMB PD18J","description":"\u003ch2\u003eElevate your GY6 ride with a jet upgraded carburetor\u003c\/h2\u003e\u003cp\u003eThe NIMTEK 49cc scooter carburetor is engineered for reliability across a wide range of 50cc, four-stroke GY6 engines. Designed to support 139QMB and PD18J variants, this upgrade aims to deliver smoother idle, steadier throttle response, and more consistent fuel delivery in everyday riding. Built with durable materials and careful craftsmanship, it offers long lasting performance with less frequent replacements, so you can focus on the road ahead rather than maintenance worries.\u003c\/p\u003e\u003cp\u003eWhether you ride a city scooter, ATV, go kart, or small moped, this carburetor is compatible with many Chinese-made models from popular brands. The fitment philosophy centers on broad compatibility while preserving precise tuning, so you can retrof it without sacrificing reliability or ease of service.\u003c\/p\u003e\u003ch3\u003eKey benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSmoother idle and more predictable throttle response for daily commuting\u003c\/li\u003e\n\u003cli\u003eBroad compatibility with multiple Chinese made scooters and ATVs powered by 50cc four-stroke GY6 engines\u003c\/li\u003e\n\u003cli\u003eJet upgrades designed to optimize fuel delivery and performance under varying loads\u003c\/li\u003e\n\u003cli\u003eDurable construction intended for long lasting performance and reduced maintenance cycle\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIdle jet size: 33\u003c\/li\u003e\n\u003cli\u003eMain jet size: 78\u003c\/li\u003e\n\u003cli\u003eIntake manifold side inner diameter: 18\u003c\/li\u003e\n\u003cli\u003eIntake manifold side outer diameter: 28\u003c\/li\u003e\n\u003cli\u003eAir filter intake inner diameter: 35\u003c\/li\u003e\n\u003cli\u003eAir filter intake outer diameter: 39\u003c\/li\u003e\n\u003cli\u003eElectric choke: 2-pin plug\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNote that this upgrade ships as a single carburetor unit and is intended to complement proper installation and model matching. Before purchasing, compare the carburetor with your current unit and the images to ensure the part will fit your specific model and engine family.\u003c\/p\u003e\u003ch3\u003eWhat to expect after installation\u003c\/h3\u003e\u003cp\u003eWith proper pairing and tuning, riders may notice crisper throttle response, steadier idle, and more reliable performance during light acceleration and steady speeds. While results can vary by model and riding conditions, this carburetor provides a solid upgrade path for owners seeking improved fuel delivery and consistent operation.\u003c\/p\u003e\u003ch3\u003ePackage contents\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1 x carburetor\u003c\/li\u003e\n\u003cli\u003eGuidance to verify fitment by comparing with product images\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which engines and models is the NIMTEK 49cc Carburetor compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Designed for 50cc GY6 four-stroke engines and 139QMB\/139QMA PD18J variants, with broad support for numerous Chinese-made scooters and ATVs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What comes in the package and how should I check compatibility?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Includes one carburetor; compare your current unit with the product images and verify fitment before purchasing.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NIMTEK","offers":[{"title":"Default Title","offer_id":42469551079509,"sku":"B002QBNH9W","price":37.74,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/nimtek-carburetor-gy6-50cc-fitment.jpg?v=1778096294","url":"https:\/\/plentytorque.co.uk\/products\/nimtek-49cc-scooter-carburetor-for-gy6-50cc-4-stroke-engines-with-jet-upgrades-fits-139qmb-pd18j","provider":"PlentyTorque","version":"1.0","type":"link"}