{"product_id":"mikuni-hsr-45-42-carburetor-easy-kit-42mm-kit-1990-1999-evo-14-2015","title":"Mikuni HSR 42mm Carburetor Easy Kit - Harley Evolution Big Twin","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Mikuni\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eMikuni has supplied carburetors and fuel-system components to the motorcycle industry for decades, and its HSR series remains a common choice for carbureted Evolution and Twin Cam V-twins where a clean, tunable fuel curve matters more than electronics.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eUnleash the full potential of your Harley-Davidson Evolution Big Twin with the Mikuni HSR 42mm Carburetor Easy Kit. This kit is engineered for a straightforward installation, allowing you to retain your stock manifold and throttle cables.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eRetains stock manifold and throttle cables\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eCompatible with stock airbox or Screamin' Eagle filters\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003e42mm Mikuni HSR carburetor for improved performance\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDesigned for a clean, integrated look\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eStraightforward installation for EVO Big Twins\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Mikuni HSR 42mm Carburetor Easy Kit is a direct bolt-on upgrade for 1990-1999 Evolution Big Twin engines. Designed to work seamlessly with your existing setup, it includes a special adapter that allows you to keep your stock airbox or easily upgrade to a high-performance Screamin' Eagle air filter.\u003c\/p\u003e\u003ch3\u003eOptimized Fuel Delivery\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for a direct fit with your stock manifold and throttle cables\u003c\/li\u003e\n\u003cli\u003eIncludes a special adapter for stock airbox compatibility\u003c\/li\u003e\n\u003cli\u003eReady for a Screamin' Eagle performance air filter upgrade\u003c\/li\u003e\n\u003cli\u003eFeatures a 42mm Mikuni HSR carburetor for enhanced performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSimple Performance Upgrade\u003c\/h3\u003e\u003cp\u003eThis Easy Kit simplifies the carburetor upgrade process, making it accessible for riders who want better throttle response and more power without extensive modifications. It's an ideal choice for uncorking a detuned factory bike while maintaining a clean, factory-like appearance.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Mikuni\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e F42-7\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCarburetor Size:\u003c\/strong\u003e 45\/42mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 8.7 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 16.1 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 5.8 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 5.43 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Japan\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWill this carburetor work with my existing stock air cleaner?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, this kit includes a special adapter that allows you to retain your stock airbox. You also have the option to upgrade to a Screamin' Eagle high-flow air filter for further performance gains.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eDo I need to replace my manifold or throttle cables with this kit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, the Easy Kit is specifically designed to bolt onto your stock manifold and reuse your existing throttle cables, simplifying the installation process.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this kit legal for use in all areas?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eA California A.R.B. Legal Kit is available for EVO applications in emissions-controlled areas. Please check your local regulations before installation, as other kit versions may not be street-legal in all regions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Intake\/Carb\/Fuel System\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Mikuni\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/mikuni\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Mikuni HSR 42mm Carburetor Easy Kit - Harley Evolution Big Twin\",\"item\":\"https:\/\/vtwinbikers.com\/products\/mikuni-hsr-45-42-carburetor-easy-kit-42mm-kit-1990-1999-evo-14-2015\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Will this carburetor work with my existing stock air cleaner?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, this kit includes a special adapter that allows you to retain your stock airbox. You also have the option to upgrade to a Screamin' Eagle high-flow air filter for further performance gains.\"}},{\"@type\":\"Question\",\"name\":\"Do I need to replace my manifold or throttle cables with this kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, the Easy Kit is specifically designed to bolt onto your stock manifold and reuse your existing throttle cables, simplifying the installation process.\"}},{\"@type\":\"Question\",\"name\":\"Is this kit legal for use in all areas?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A California A.R.B. Legal Kit is available for EVO applications in emissions-controlled areas. Please check your local regulations before installation, as other kit versions may not be street-legal in all regions.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Mikuni","offers":[{"title":"Default Title","offer_id":53034996138095,"sku":"14-2015","price":597.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_27c69625-5733-4165-a0b3-5b762dd73e2f.png?v=1779558812","url":"https:\/\/vtwinbikers.com\/products\/mikuni-hsr-45-42-carburetor-easy-kit-42mm-kit-1990-1999-evo-14-2015","provider":"Vtwinbikers","version":"1.0","type":"link"}