{"product_id":"biolion-carburetor-kit-for-125-140cc-lawn-mower-engines-fits-09p602-09p702-08p502-with-air-filter-spark-plug","title":"BioLion Carburetor Kit for 125–140cc Lawn Mower Engines — Fits 09P602\/09P702\/08P502 with Air Filter \u0026 Spark Plug","description":"\u003cp\u003e\u003cstrong\u003eBioLion 799583 carburetor kit is a complete replacement assembly designed to restore fuel delivery for 09P602\/09P702\/08P502 and 300E–550EX lawnmower engines, including an air filter and cover for a full tune-up.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen a small engine runs rough, stalls, or struggles to start, the carburetor and associated intake parts are common culprits. This BioLion kit consolidates the carburetor plus essential consumables—fuel lines, gaskets, clamps, filter, primer bulb and spark plug—so you can replace worn components in one repair session. It fits a range of 125cc–140cc mower engines and is offered as a direct-fit substitute for several OEM part numbers; double-check your engine's part code before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eHow will this carburetor kit improve engine performance?\u003c\/h3\u003e\n\u003cp\u003eReplacing an aging or clogged carburetor restores correct air-fuel mixture and smoother throttle response. The included air filter and new fuel lines help prevent contamination that leads to poor idling and hard starts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores steady idle and consistent acceleration\u003c\/li\u003e\n  \u003cli\u003eNew filter prevents debris entering the carburetor\u003c\/li\u003e\n  \u003cli\u003eFresh fuel lines and clamps eliminate leaks and vapor lock\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich engines and part numbers are compatible with this kit?\u003c\/h3\u003e\n\u003cp\u003eThis BioLion assembly is intended for several small engine models including 09P602, 09P702 and 08P502 and mower models labeled 300E, 450E, 500E, 550E and 550EX. It is sold as a replacement for multiple reference numbers—verify your original part to ensure fit.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCommon cross-references: 799583, 590556, 591160, 591109\u003c\/li\u003e\n  \u003cli\u003eIncluded air cleaner and cover match 799579 and 590581 references\u003c\/li\u003e\n  \u003cli\u003eWorks with 125cc–140cc small engine platforms\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the kit and what tools will I need?\u003c\/h3\u003e\n\u003cp\u003eThe package contains a carburetor plus a selection of replacement consumables so you can complete the repair without sourcing additional parts. Basic hand tools and a simple mechanical skill set are enough to perform the swap.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eContents: 1 carburetor, 2 fuel lines, 3 gaskets, 4 clamps\u003c\/li\u003e\n  \u003cli\u003eAlso included: 1 air filter, 1 fuel filter, 1 spark plug, 1 primer bulb\u003c\/li\u003e\n  \u003cli\u003eRecommended tools: screwdrivers, pliers, spark plug socket, small wrench\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs installation difficult and are replacement parts available separately?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for DIYers comfortable with small engine maintenance; the kit’s gaskets and clamps simplify reassembly. If you need individual pieces later, common parts like the air cleaner (799579) and primer bulb have compatible aftermarket equivalents.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSimple swap: remove old carburetor, install new unit, reconnect fuel and choke lines\u003c\/li\u003e\n  \u003cli\u003eGaskets and clamps included to reduce air\/fuel leaks during reassembly\u003c\/li\u003e\n  \u003cli\u003eAftermarket cross-references are available for single-part replacements\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The BioLion 799583 carburetor kit suits homeowners, landscapers, and small-engine technicians needing a dependable repair solution for 125cc–140cc mower engines. It’s ideal for anyone replacing a worn carburetor and intake components in one service, saving time and ensuring that the engine receives matched parts for better reliability.\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: Will this carburetor fit my 500E engine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it is compatible with 500E models listed; confirm your motor's part number (e.g., 09P602\/09P702\/08P502) before buying.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the kit include everything needed for installation?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The kit includes carburetor, fuel lines, gaskets, clamps, filter, fuel filter, spark plug, and primer bulb for a full tune-up.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"BioLion","offers":[{"title":"Default Title","offer_id":48084351647902,"sku":"B0F9YN6P4R","price":33.47,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/biolion-carburetor-front-view_38741a6c-633a-435f-8d15-8242035068cf.jpg?v=1785851458","url":"https:\/\/northtrailauto.ca\/products\/biolion-carburetor-kit-for-125-140cc-lawn-mower-engines-fits-09p602-09p702-08p502-with-air-filter-spark-plug","provider":"North Trail Auto","version":"1.0","type":"link"}