{"product_id":"75306258a-carburetor-carb-with-air-filter-tuneup-kit","title":"16100-ZM5-803 Carburetor \u0026 Air Filter Tune-Up Kit - Fits Honda GX22 GX31 FG100","description":"\u003ch2\u003e16100-ZM5-803 Carburetor \u0026amp; Air Filter Tune-Up Kit\u003c\/h2\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-Cycle Precision Calibration:\u003c\/strong\u003e Specifically jetted for Honda's small-displacement 4-stroke engines to ensure stable idling and high-torque performance without the need for oil-mixing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Cold-Start Response:\u003c\/strong\u003e Features an integrated primer system and optimized internal fuel passages to provide reliable ignition even after long periods of storage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Maintenance Solution:\u003c\/strong\u003e A comprehensive kit that includes a pre-calibrated carburetor, high-density air filter, fuel lines, and gaskets for a full fuel system restoration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Alloy Build:\u003c\/strong\u003e Constructed from a high-grade, corrosion-resistant alloy designed to withstand the heat and vibration levels typical of tillers and blowers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEthanol-Ready Internals:\u003c\/strong\u003e Equipped with modern diaphragms and seals engineered to resist the drying and cracking effects of ethanol-blended fuels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplaces \/ Cross-Reference Part Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e16100-ZM5-803\u003c\/li\u003e\n\u003cli\u003e16100-ZM3-848\u003c\/li\u003e\n\u003cli\u003e16100-ZM5-809\u003c\/li\u003e\n\u003cli\u003e16100-ZM5-003\u003c\/li\u003e\n\u003cli\u003eGCA91\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThis kit is the primary replacement for Honda's premium 4-cycle handheld engine series. Key compatible models include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHonda Engines:\u003c\/strong\u003e GX22, GX31, GX31N.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHonda Tillers:\u003c\/strong\u003e FG100 mini-tiller and cultivator.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHonda Trimmers:\u003c\/strong\u003e HHT25S, HHT31S, UMK431 series.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHonda Power Equipment:\u003c\/strong\u003e WX10 Water Pump, HHE31C Edger.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNote:\u003c\/strong\u003e Since these are 4-cycle engines, ensure you are not using 2-cycle \"pre-mix\" fuel, as it will clog the internal jets of this carburetor.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to Replace\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHard Starting:\u003c\/strong\u003e The engine requires excessive pulls to fire, indicating the internal primer or low-speed circuit is restricted.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoss of Power \/ Bogging:\u003c\/strong\u003e The engine starts and idles but dies or \"stumbles\" when the throttle is applied to engage the tiller tines or blower fan.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel Leaking:\u003c\/strong\u003e Gas is dripping from the carburetor throat or the primer bulb, which can lead to a fire hazard and poor fuel economy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClogged Air Filter:\u003c\/strong\u003e The engine runs \"rich\" (black smoke or fouled spark plug) because the air filter is saturated with dirt or oil.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStuck Float\/Needle:\u003c\/strong\u003e The engine floods constantly or won't draw fuel at all, often caused by \"varnish\" buildup from old fuel sitting in the bowl.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFresh Oil Check:\u003c\/strong\u003e Since the GX22 and GX31 are 4-cycle engines, check the engine oil level while the unit is level before starting it with the new carburetor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGasket Alignment:\u003c\/strong\u003e Pay close attention to the mounting gasket. If the pulse hole is blocked or the gasket is installed backward, the carburetor will not pump fuel correctly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel Line Routing:\u003c\/strong\u003e Use the included fuel lines to replace the old ones. Ensure the \"filter\" line is in the bottom of the tank and the \"return\" line is just barely poking through the grommet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePurge the Air:\u003c\/strong\u003e After installation, press the primer bulb until you see fuel fill the bulb and flow back into the tank through the clear line to remove all air pockets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvoid Over-Tightening:\u003c\/strong\u003e Tighten the two mounting bolts evenly to prevent warping the carburetor flange, which can cause an air leak and a \"surging\" idle.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BlueStarsParts","offers":[{"title":"Default Title","offer_id":45371210662077,"sku":"AZ00222158","price":19.89,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2576\/7548\/files\/AZ00833673_1_219a1ae8-eee8-4f43-ac8a-fb20b62afba7.jpg?v=1762246285","url":"https:\/\/bluestarspartstrend.com\/products\/75306258a-carburetor-carb-with-air-filter-tuneup-kit","provider":"BlueStars Parts","version":"1.0","type":"link"}