{"product_id":"moto4u-500ml-auxiliary-fuel-tank-for-carburetors-vented-portable-gas-tank-with-shut-off-valve-hose-clamps","title":"MOTO4U 500ml Auxiliary Fuel Tank for Carburetors – Vented Portable Gas Tank with Shut-Off Valve, Hose \u0026 Clamps","description":"\u003cp\u003e\u003cstrong\u003eMOTO4U's 500ml auxiliary fuel tank is a portable, vented fuel reservoir with a shut-off valve designed to feed carburetors and small engines during tuning and repair.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen you need steady, controllable fuel flow for carburetor adjustment, synchronization, or engine diagnostics without relying on the main tank, this compact MOTO4U unit provides a safe, straightforward solution. Built from chemical-resistant materials and supplied with fuel line, clamps, and a petcock, it helps you test and tune engines for motorcycles, lawn mowers, ATVs, and other small machines.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this auxiliary tank help me tune a carburetor?\u003c\/h3\u003e\n\u003cp\u003eThe auxiliary tank supplies clean, uninterrupted fuel directly to the carburetor so you can make precise jet, idle, and air\/fuel adjustments without the variables introduced by the main tank. Because it hangs nearby and has a built-in vent and cut-off valve, you control flow and can observe engine response immediately.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect feed avoids fuel pickup issues during mains removal\u003c\/li\u003e\n  \u003cli\u003eCut-off valve lets you start\/stop flow for quick checks\u003c\/li\u003e\n  \u003cli\u003eVented cap prevents siphoning and pressure imbalances\u003c\/li\u003e\n  \u003cli\u003eTransparent 500ml capacity gives visible fuel level for testing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs it compatible with my bike, mower, or other small engine?\u003c\/h3\u003e\n\u003cp\u003eThis MOTO4U tank is built as a universal solution for most carbureted small engines. It ships with a 1\/4\" fuel line, two hose clamps, and an engine-side barb so you can fit it to a wide range of fuel inlet sizes and setups.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorks with motorcycles, scooters, lawnmowers, generators, and ATVs\u003c\/li\u003e\n  \u003cli\u003e1\/4\" fuel hose fits many carburetor inlet fittings; clamps included\u003c\/li\u003e\n  \u003cli\u003eSimple hand-fit or clamp mounting — no special adapters required in most cases\u003c\/li\u003e\n  \u003cli\u003eCompact hanger design fits handlebars, frames, or bench vises\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat safety and flow-control features are included?\u003c\/h3\u003e\n\u003cp\u003eSafety and control are addressed through a vented cap to balance pressure and a petcock-style shut-off valve to regulate or stop fuel flow instantly. The materials resist common fuels, reducing the risk of premature degradation or leaks during repeated use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBuilt-in air vent for steady, drip-free flow\u003c\/li\u003e\n  \u003cli\u003ePetcock cut-off valve for immediate flow control and shutoff\u003c\/li\u003e\n  \u003cli\u003eChemical-resistant container minimizes fuel permeation and swelling\u003c\/li\u003e\n  \u003cli\u003eSupplied hose clamps secure connections to prevent accidental disconnection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I use and mount the auxiliary tank during a service session?\u003c\/h3\u003e\n\u003cp\u003eSet the MOTO4U tank higher than the carburetor for gravity feed, hang it from handlebars or clamp to a vise, attach the fuel line to the carburetor inlet, and open the petcock to start flow. Use the valve to pause fuel delivery while making adjustments or swapping jets.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFill to a safe working level and secure the vented cap\u003c\/li\u003e\n  \u003cli\u003eHang using the molded hanger or clamp to a bench vise for stability\u003c\/li\u003e\n  \u003cli\u003eConnect supplied 1\/4\" hose to carburetor and tighten included clamps\u003c\/li\u003e\n  \u003cli\u003eOpen petcock slowly to establish steady flow, adjust as needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The MOTO4U 500ml auxiliary fuel tank is aimed at home mechanics, professional technicians, and enthusiasts who perform carburetor tuning, diagnostics, or small-engine repairs. It benefits anyone who needs a portable, reliable fuel source for testing and adjustment — from backyard DIYers servicing lawn equipment to shop mechanics working on motorcycles or ATVs.\u003c\/p\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: Can this tank connect to any carburetor inlet?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It fits most carburetor inlets using the supplied 1\/4\" hose and clamps; some models may need a small adapter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the tank safe for long-term fuel contact?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it uses chemical-resistant materials suitable for gasoline exposure during normal tuning and short-term tests.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MOTO4U","offers":[{"title":"Default Title","offer_id":48085895807134,"sku":"B0FC62PNCJ","price":46.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/moto4u-front-view-auxiliary-fuel-tank.jpg?v=1785879935","url":"https:\/\/northtrailauto.ca\/products\/moto4u-500ml-auxiliary-fuel-tank-for-carburetors-vented-portable-gas-tank-with-shut-off-valve-hose-clamps","provider":"North Trail Auto","version":"1.0","type":"link"}