{"product_id":"butom-subaru-robin-ex17-sp170-carburetor-6-0hp-replacement-20mm-throttle-14mm-venturi","title":"Butom Subaru\/Robin EX17 SP170 Carburetor – 6.0HP Replacement, 20mm Throttle \u0026 14mm Venturi","description":"\u003cp\u003e\u003cstrong\u003eThe Butom Subaru Robin EX17 SP170 carburetor is a direct-replacement carb designed to restore reliable fuel delivery for 6.0HP Subaru\/Robin EX17, SP-170, EX13 and related small engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your small engine is running rough, flooding, or failing to maintain idle, a properly matched carburetor often fixes the fuel-delivery issues. This Butom unit replaces Subaru Robin part numbers 277-62301-30, 277-62301-60, 277-62303-00 and 277-62303-20 and fits many EX17-series 6.0HP engines (including EX17, EX17D, EX170, EX170D, EX13, EX30, EP17 and SP170 variants). It’s built from corrosion-resistant metals and high-density components, and each carburetor is wet-flow tested so the part ships ready for predictable performance.\u003c\/p\u003e\n\n\u003ch3\u003eHow will this carburetor improve engine starting and idle?\u003c\/h3\u003e\n\u003cp\u003eBy restoring correct fuel metering and choke function, the replacement carburetor helps eliminate hard starting, excessive smoke, and unstable idling. The factory-matched throttle and venturi sizes maintain original airflow and fuel ratios expected by the EX17-series engines.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePrecision-matched throttle diameter (20 mm) and venturi (14 mm) for proper mixture\u003c\/li\u003e\n  \u003cli\u003eChoke diameter 24.5 mm for consistent cold starts\u003c\/li\u003e\n  \u003cli\u003eWet-flow tested to simulate real operating conditions before shipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat engines and part numbers does this unit replace?\u003c\/h3\u003e\n\u003cp\u003eThis carburetor is engineered as a replacement for multiple Subaru\/Robin numbers and fits the 6.0HP small-engine family. Use it when your equipment lists one of the compatible part numbers or engine models to ensure a correct fit.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplaces Subaru Robin part numbers: 277-62301-30, 277-62301-60, 277-62303-00, 277-62303-20\u003c\/li\u003e\n  \u003cli\u003eFits engines: EX17, EX17D, EX170, EX170D, EX13, EX30, EP17, SP170 and other EX17-series variants\u003c\/li\u003e\n  \u003cli\u003eCompatible with engine codes such as EX170D40200, EX170D50040–50043, EX170D50100–50102, EX170D50170–50171, EX170DM2231\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and quality controls are used in this carburetor?\u003c\/h3\u003e\n\u003cp\u003eThe Butom replacement emphasizes corrosion resistance and dimensional stability using a mix of metals and reinforced plastics. Components are selected to resist heat, wear, and fuel corrosion so the part stays serviceable in harsh outdoor environments.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAnodized aluminum carburetor body for strength and light weight\u003c\/li\u003e\n  \u003cli\u003eZinc-plated float bowl and brass internal components to resist corrosion\u003c\/li\u003e\n  \u003cli\u003eHigh-density plastic float to maintain float-level accuracy under fuel exposure\u003c\/li\u003e\n  \u003cli\u003eWet-flow testing mimics engine conditions to verify fuel delivery before shipping\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the mounting and connection dimensions I need to check?\u003c\/h3\u003e\n\u003cp\u003eVerifying a few key dimensions prevents returns and ensures you get a bolt-on replacement. Confirm the mounting hole spacing and inlet sizes on your engine prior to ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMounting hole center-to-center distance: 42 mm\u003c\/li\u003e\n  \u003cli\u003eThrottle bore diameter: 20 mm; choke diameter: 24.5 mm; venturi diameter: 14 mm\u003c\/li\u003e\n  \u003cli\u003eFuel inlet hose size: 7 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This replacement carburetor is intended for owners, mechanics, and equipment technicians who service 6.0HP Subaru\/Robin small engines used in generators, water pumps, pressure washers, and light-duty commercial machines. Choose this part if your engine references the listed Subaru\/Robin part numbers or EX17-series engine codes and you need a robust, pre-tested carburetor that reinstates factory-like fuel flow without extensive modification.\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 EX17D engine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—this unit fits EX17, EX17D and related EX170-series engines that use Subaru Robin part numbers listed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the kit include jets and float bowl?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The carburetor ships complete with float bowl and installed jets; check compatibility before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Butom","offers":[{"title":"Default Title","offer_id":55161061245271,"sku":"B0796MTZQK","price":30.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/butom-ex17-carburetor-front-view.jpg?v=1790321497","url":"https:\/\/britishgarage.co.uk\/products\/butom-subaru-robin-ex17-sp170-carburetor-6-0hp-replacement-20mm-throttle-14mm-venturi","provider":"British Garage","version":"1.0","type":"link"}