{"product_id":"walbro-30-977-1-throttle-shaft-assembly","title":"Walbro 30-977-1 Throttle Shaft Assembly","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe WALBRO 30-977-1 is a throttle shaft assembly designed as a carburetor internal component for small engine applications. The throttle shaft controls airflow through the carburetor bore by rotating to open and close the throttle plate, directly governing engine speed and response. This part is a precision-fit OEM-style replacement intended for service technicians and small engine mechanics performing carburetor rebuilds or addressing throttle linkage failures. Worn or bent throttle shafts cause air leaks, erratic idle, and loss of throttle response, making this a common service item in field carburetor repair.\u003c\/p\u003e\u003cp\u003eThe 30-977-1 throttle shaft assembly is suited for use in Walbro carburetors found in lawn and garden power equipment, including handheld and walk-behind applications. It is typically installed during a full carburetor overhaul or as a targeted repair when the shaft shows visible wear, scoring, or excessive play in the carburetor body bore. Small engine technicians and outdoor power equipment (OPE) service dealers are the primary installers of this component.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eOEM Walbro part for precise dimensional fit within compatible carburetor bodies\u003c\/li\u003e\n\u003cli\u003eRestores proper throttle plate actuation and engine speed control\u003c\/li\u003e\n\u003cli\u003eAddresses air leaks caused by worn shaft-to-bore clearance\u003c\/li\u003e\n\u003cli\u003eSuitable for carburetor rebuild and targeted throttle linkage repair\u003c\/li\u003e\n\u003cli\u003eDesigned for lawn and garden small engine carburetor service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement throttle shaft assembly for Walbro carburetors used in lawn and garden small engine equipment. Consult Walbro parts documentation or a cross-reference guide to confirm fitment for a specific carburetor model number before ordering.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a qualified small engine technician familiar with carburetor disassembly and reassembly procedures. Shut down the engine completely and allow it to cool before beginning any carburetor service work. Handle the throttle shaft carefully to avoid bending, and inspect the carburetor bore for wear before installing the replacement shaft. Refer to the applicable Walbro service manual for disassembly sequence and reassembly guidance.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Type\u003c\/strong\u003e: Throttle Shaft Assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Lawn and Garden Small Engine Carburetor\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: WALBRO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 30-977-1\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WALBRO","offers":[{"title":"Default Title","offer_id":51204101472562,"sku":"30-977-1","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/B1W30977.jpg?v=1779706309","url":"https:\/\/voomisupply.com\/products\/walbro-30-977-1-throttle-shaft-assembly","provider":"Voomi Supply","version":"1.0","type":"link"}