{"product_id":"briggs-stratton-790121-throttle-shaft-engine-part","title":"Briggs Stratton 790121 Throttle Shaft Engine Part","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe BRIGGS STRATTON 790121 is a throttle shaft designed for use in small engine carburetors. The throttle shaft controls airflow into the engine by rotating the throttle plate within the carburetor body, directly governing engine speed and response. This is an OEM-replacement internal carburetor component installed by small engine technicians and qualified power equipment service professionals. Proper throttle shaft function is critical to smooth engine operation, correct governed RPM, and fuel efficiency across varying load conditions.\u003c\/p\u003e\u003cp\u003eThe 790121 throttle shaft is used in carburetor service and rebuild applications on Briggs Stratton small engines commonly found in lawn and garden power equipment, including walk-behind mowers, riding mowers, and similar outdoor power units. It is a direct replacement for a worn, bent, or damaged original throttle shaft and is typically installed during carburetor overhaul or targeted component replacement when the shaft shows wear at the bore or binding in rotation.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eOEM Briggs Stratton part engineered to original carburetor specifications\u003c\/li\u003e\n\u003cli\u003eDirect replacement for worn or damaged throttle shaft in small engine carburetors\u003c\/li\u003e\n\u003cli\u003eRestores correct throttle plate movement and governed engine speed control\u003c\/li\u003e\n\u003cli\u003eSuited for carburetor rebuild and component-level repair rather than full carburetor replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement throttle shaft for compatible Briggs Stratton small engine carburetors used in lawn and garden power equipment. Verify fitment against the engine model, type, and code numbers before installation.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eThrottle shaft replacement is performed by small engine technicians during carburetor service. Shut off the fuel supply and allow the engine to cool completely before beginning any carburetor disassembly. Disconnect the spark plug wire to eliminate any accidental start risk. Follow the engine manufacturer's service manual for carburetor disassembly sequence and reassembly torque guidance; take care not to damage the throttle bore or distort the carburetor body during shaft removal and installation.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type\u003c\/strong\u003e: Throttle Shaft\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: 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: BRIGGS STRATTON\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 790121\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BRIGGS \u0026 STRATTON","offers":[{"title":"Default Title","offer_id":51200429228338,"sku":"790121","price":27.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/307140656.jpg?v=1779689350","url":"https:\/\/voomisupply.com\/products\/briggs-stratton-790121-throttle-shaft-engine-part","provider":"Voomi Supply","version":"1.0","type":"link"}