{"product_id":"mikuni-jet-needle-hsr42-leaner-14-2507","title":"Mikuni Jet Needle - Hsr42 Leaner","description":"\u003cp\u003eMikuni jet needle for HSR42 carburetors with a leaner taper designed to reduce fuel delivery in the mid-range throttle range. Direct replacement for Mikuni HSR42 carburetor assemblies on V-twin motorcycles.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eLeaner taper for mid-range fuel reduction\u003c\/li\u003e\n  \u003cli\u003eDirect Mikuni HSR42 replacement\u003c\/li\u003e\n  \u003cli\u003e4.4 in length\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\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 FJ8-8DDY01-98\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 4.4 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 1.9 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 0.4 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.05 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Japan\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits Mikuni HSR42 carburetors commonly used on V-twin motorcycles.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat does a leaner jet needle do?\u003c\/h3\u003e\n\u003cp\u003eA leaner taper reduces fuel flow in the mid-range throttle position, helping you dial out a rich condition between cruise and wide-open throttle.\u003c\/p\u003e\n\u003ch3\u003eWill this fit my HSR42 carburetor?\u003c\/h3\u003e\n\u003cp\u003eYes — this is a direct Mikuni replacement for HSR42 assemblies. Verify your carb model before ordering.\u003c\/p\u003e\n\u003ch3\u003eIs installation difficult?\u003c\/h3\u003e\n\u003cp\u003eJet needle replacement requires removing the carburetor and accessing the needle clip inside the slide. Carburetor experience or a service manual is recommended.\u003c\/p\u003e\n\u003ch3\u003eCan I mix this needle with other Mikuni needles?\u003c\/h3\u003e\n\u003cp\u003eJet needles are tuning-specific. Swapping needles changes jetting significantly — use only the needle specified for your fuel and engine setup.\u003c\/p\u003e","brand":"Mikuni","offers":[{"title":"Default Title","offer_id":53034997284975,"sku":"14-2507","price":66000.0,"currency_code":"COP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_1f426df2-d7d4-42dd-8e5d-6aab40544282.png?v=1779558832","url":"https:\/\/vtwinbikers.com\/en-co\/products\/mikuni-jet-needle-hsr42-leaner-14-2507","provider":"Vtwinbikers","version":"1.0","type":"link"}