{"product_id":"partszen-carburetor-leak-detector-gauge-kit-for-walbro-zama-0-20-psi-with-metering-lever-adjustment-tool","title":"partszen Carburetor Leak Detector Gauge Kit for Walbro \u0026 Zama — 0–20 psi with Metering Lever Adjustment Tool","description":"\u003cp\u003e\u003cstrong\u003epartszen Carburetor Leak Detector is a handheld gauge kit that checks two-stroke carburetor sealing and includes a metering-lever adjustment tool compatible with Walbro, Zama and Tillotson parts.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact diagnostic set gives you a practical way to confirm whether a small-engine carburetor is leaking and to fine-tune the metering lever. The kit replaces common service components (ZAMA ZPG-2 and Tillotson 243-504) and works across several Walbro and Zama models, offering a 0–20 psi (0–138 kPa) measurement range for everyday workshop and field checks.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the gauge detect a carburetor leak?\u003c\/h3\u003e\n\u003cp\u003eThe instrument measures pressure or vacuum around the carburetor body to reveal sealing faults, diaphragm damage, or loose fittings. By applying a controlled pressure and watching for a change on the dial, you can quickly see whether the carburetor holds pressure as it should.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMeasurement range: 0–138 kPa (0–20 psi) for clear readings\u003c\/li\u003e\n  \u003cli\u003eAnalog gauge shows pressure drop when seals leak\u003c\/li\u003e\n  \u003cli\u003ePortable design suitable for bench or field tests\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich carburetor models and parts does this kit replace or fit?\u003c\/h3\u003e\n\u003cp\u003eThe partszen kit is designed to be a direct aftermarket substitute for widely used service parts, so it fits common two-stroke carburetor types. It specifically replaces ZAMA ZPG-2 and Tillotson 243-504 test tools and is compatible with Walbro 57-21 and Stens 705-020 style housings.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplacement for ZAMA ZPG-2 and Tillotson 243-504\u003c\/li\u003e\n  \u003cli\u003eCompatible with Walbro 57-21 series and Stens 705-020\u003c\/li\u003e\n  \u003cli\u003eIncludes metering lever adjustment tool that replaces Walbro \u0026amp; Zama ZT-1 500-13\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I use the metering lever adjustment tool included in the set?\u003c\/h3\u003e\n\u003cp\u003eThe metering lever tool lets you position and fine-tune the lever that controls fuel flow in the carburetor. After isolating the carburetor and securing it for service, use the adjustment tool to set the lever travel and clearance to manufacturer-recommended specs, then verify with the gauge.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTool fits Walbro and Zama metering levers (ZT-1 500-13 replacement)\u003c\/li\u003e\n  \u003cli\u003eUse after leak test to correct fuel metering alignment\u003c\/li\u003e\n  \u003cli\u003eHandheld design for quick workshop adjustments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat readings should I expect and what do they mean?\u003c\/h3\u003e\n\u003cp\u003eA stable reading within the 0–20 psi range indicates the carburetor is holding pressure; a falling or unstable dial points to leaks or damaged diaphragms. Use the gauge to compare against service limits or to confirm repairs after replacing gaskets, diaphragms, or needle valves.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStable pressure indicates sealed surfaces and intact diaphragms\u003c\/li\u003e\n  \u003cli\u003ePressure drop signals leaks, cracks, or loose fittings\u003c\/li\u003e\n  \u003cli\u003eGauge sensitivity suitable for small-engine troubleshooting\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: This partszen diagnostic kit is intended for mechanics, small-engine technicians, lawn and garden equipment shops, and DIYers who service chainsaws, trimmers, blowers, and other two-stroke equipment. If you perform routine carburetor troubleshooting or need a reliable replacement for ZAMA and Tillotson test tools, this kit provides a compact, field-ready option to locate leaks and set metering levers without specialized bench machinery.\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: Is this gauge compatible with Walbro and Zama carburetors?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The kit replaces ZAMA ZPG-2 and Tillotson 243-504 and fits Walbro 57-21 and similar Zama models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What pressure range does the detector measure?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The gauge measures 0–138 kPa (0–20 psi), suitable for two-stroke carburetor leak checks.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"partszen","offers":[{"title":"Default Title","offer_id":48082935611550,"sku":"B09BJLSZR2","price":51.32,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/partszen-carburetor-leak-detector-front-view.jpg?v=1785819404","url":"https:\/\/northtrailauto.ca\/products\/partszen-carburetor-leak-detector-gauge-kit-for-walbro-zama-0-20-psi-with-metering-lever-adjustment-tool","provider":"North Trail Auto","version":"1.0","type":"link"}