{"product_id":"simperac-fs91r-carburetor-for-stihl-weedeater-fits-fs91r-fs111r-fs89-km91r-km111r","title":"SIMPERAC FS91R Carburetor for Stihl Weedeater — Fits FS91R\/FS111R\/FS89 KM91R KM111R","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe SIMPERAC FS91R carburetor is designed as a robust replacement for Stihl engines and is compatible with a range of models in the FS and KM series. Built to support precise air–fuel delivery, this unit aims to restore steady startup and responsive throttle during yard work such as trimming, edging, and light brushing.\u003c\/p\u003e\n\u003ch3\u003eCompatibility and model fit\u003c\/h3\u003e\n\u003cp\u003eThis carburetor replaces Stihl 4180-120-0615 and is suitable for the FS91R family as well as related KM-series Kombi engines. You may also find compatibility with FS89\/FS91\/FS111R variants and other listed Stihl models like HT102\/HT103 pole pruners and FC-series lawn edgers. Always compare your engine model with the images provided to confirm the exact match.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFS91R, FS111R, FS89 variants\u003c\/li\u003e\n  \u003cli\u003eKM91R and KM111R Kombi engines\u003c\/li\u003e\n  \u003cli\u003eHT102\/HT103 pole pruners and FC91\/FC96\/FC111 edgers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat’s included in the kit\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 carburetor\u003c\/li\u003e\n  \u003cli\u003e1 air filter\u003c\/li\u003e\n  \u003cli\u003e1 fuel line\u003c\/li\u003e\n  \u003cli\u003e1 spark plug\u003c\/li\u003e\n  \u003cli\u003e2 fuel filters\u003c\/li\u003e\n  \u003cli\u003e2 gaskets\u003c\/li\u003e\n  \u003cli\u003e2 primer bulbs\u003c\/li\u003e\n  \u003cli\u003e1 carburetor adjusting tool\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy this matters for your outdoor work\u003c\/h3\u003e\n\u003cp\u003eWhile results can vary by machine and usage, this kit is designed to help restore a consistent air–fuel mix, reduce leaks that affect performance, and support cleaner combustion. You may notice quicker starts, steadier idles, and smoother throttle response when performing tasks like edging and light clearing.\u003c\/p\u003e\n\u003ch3\u003eReal-world use cases\u003c\/h3\u003e\n\u003cp\u003eImagine a weekend project where you need reliable power at varying speeds. With a refreshed carburetor, you may experience a steadier pull on the trigger, improved idling, and consistent performance through a row of hedges or a brushy edge along a fence line.\u003c\/p\u003e\n\u003ch3\u003eInstallation tips and care\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCheck your engine model and compare with the listing images before swapping parts.\u003c\/li\u003e\n  \u003cli\u003eReplace the air filter and inspect the fuel line for wear during installation.\u003c\/li\u003e\n  \u003cli\u003eUse the included adjusting tool to set idle and mixture as directed by your manual or trusted guidance.\u003c\/li\u003e\n  \u003cli\u003eKeep the gaskets and primers in good condition to maintain a tight seal and prevent leaks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eQuality and support\u003c\/h3\u003e\n\u003cp\u003eDesigned for compatibility with standard Stihl fittings, the SIMPERAC FS91R carburetor aims to support reliable field performance. For best results, ensure compatibility with your exact model and follow safe maintenance practices. This kit provides all essential components for a complete rebuild in one package.\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: What models is the SIMPERAC FS91R carburetor compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Compatible with Stihl FS91R, FS89\/FS91\/FS111 variants, and KM91R\/KM111R engines; confirm by matching your engine model and product images.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What’s included in the SIMPERAC FS91R carburetor kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Carburetor, air filter, fuel line, spark plug, two fuel filters, two gaskets, two primer bulbs, and a carburetor adjusting tool.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"SIMPERAC","offers":[{"title":"Default Title","offer_id":43989844459654,"sku":"B0BWXRC351","price":34.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/1602\/5478\/files\/simperac-fs91r-carburetor-front-view.jpg?v=1778887869","url":"https:\/\/patiozora.com\/products\/simperac-fs91r-carburetor-for-stihl-weedeater-fits-fs91r-fs111r-fs89-km91r-km111r","provider":"PatioZora","version":"1.0","type":"link"}