{"product_id":"universal-parts-50cc-150cc-vacuum-operated-fuel-pump-129-32","title":"Universal Parts 50cc-150cc Vacuum Operated Fuel Pump","description":"\u003ch2\u003eRestore Reliable Fuel Flow\u003c\/h2\u003e\u003cp\u003eEliminate fueling inconsistencies and hard-starting issues with the \u003cstrong\u003eUniversal Parts Vacuum Operated Fuel Pump\u003c\/strong\u003e. Engineered for 50cc to 150cc 4-stroke and 2-stroke street scooters, this pump utilizes engine vacuum pulses to deliver a steady, pressurized flow of gasoline to your carburetor. Whether your factory pump has a torn internal diaphragm or you're upgrading a custom build, this robust cast-body unit provides the mechanical reliability needed for consistent throttle response.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficient Vacuum Pulse Operation:\u003c\/strong\u003e High-sensitivity internal diaphragm responds to even low-vacuum signals, ensuring reliable fuel delivery at idle and wide-open throttle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Cast-Aluminium Housing:\u003c\/strong\u003e Built to withstand engine bay heat and vibration — superior longevity vs. plastic-housed alternatives.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClear Fitting Identification:\u003c\/strong\u003e Includes a brass \"Gas In\" fitting, barbed \"Gas Out\" cast fitting, and smooth vacuum line connection for intuitive, error-free installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 76mm Bolt Spacing:\u003c\/strong\u003e Industry-standard mounting footprint — direct bolt-on replacement for a wide range of scooter brands.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment Guide\u003c\/h2\u003e\u003cp\u003eUniversal replacement for 50cc–150cc scooters, ATVs, and karts using a remote fuel pump system:\u003c\/p\u003e\u003ctable style=\"width:100%;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine Type\u003c\/th\u003e\n\u003cth\u003eCommon Compatible Models\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGY6 125cc \/ 150cc\u003c\/td\u003e\n\u003ctd\u003eVento Phantom, TaoTao, Wolf, Roketa, ZNEN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGY6 50cc (4-Stroke)\u003c\/td\u003e\n\u003ctd\u003eStandard 139QMB engines with frame-mounted tanks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda Clones\u003c\/td\u003e\n\u003ctd\u003eRuckus-style builds and Helix-style 250cc variants\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBolt Hole Spacing: 76mm (center-to-center)\u003c\/li\u003e\n\u003cli\u003eOverall Height: 33.5mm\u003c\/li\u003e\n\u003cli\u003eConnections: Gas In (Brass), Gas Out (Barb), Vacuum (Smooth)\u003c\/li\u003e\n\u003cli\u003eApplication: 4-Stroke \u0026amp; 2-Stroke Engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMechanic's Note\u003c\/h2\u003e\u003cp\u003eIf your scooter runs for a few minutes and then dies, or won't start after sitting, your fuel pump diaphragm may be compromised. When installing, always inspect your vacuum lines for cracks or dry rot — even a tiny air leak will prevent this pump from drawing fuel from the tank.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.p65warnings.ca.gov\"\u003eCalifornia Prop 65 Warning: www.p65warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"Universal Parts","offers":[{"title":"Default Title","offer_id":49986024997144,"sku":"129-32","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/files\/454088.jpg?v=1774878407","url":"https:\/\/www.scooterworks.com\/products\/universal-parts-50cc-150cc-vacuum-operated-fuel-pump-129-32","provider":"Scooterworks USA, LLC","version":"1.0","type":"link"}