{"product_id":"mikuni-large-round-main-jets-4-pk-185-134-7185","title":"Mikuni Large Round Main Jets - 4\/PK #185","description":"\u003cp\u003eMikuni large round main jets, size #185, sold in a 4-pack for carbureted V-twin engines. These genuine OEM jets control fuel flow at cruise and part-throttle RPMs and are essential for proper jetting after intake or exhaust modifications.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eGenuine Mikuni OEM jets\u003c\/li\u003e\n  \u003cli\u003eSize #185 main jet\u003c\/li\u003e\n  \u003cli\u003e4-pack quantity\u003c\/li\u003e\n  \u003cli\u003eFor large round carburetors\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 FN100604-185\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 4 per pack\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eJet Size:\u003c\/strong\u003e #185\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 V-twin motorcycles with Mikuni large round carburetors, including Harley-Davidson and Indian Motorcycle models.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat size main jet do I need?\u003c\/h3\u003e\n\u003cp\u003e#185 is a mid-range main jet. Larger numbers (190, 195) run richer; smaller numbers (180, 175) run leaner. Verify your current jetting before ordering.\u003c\/p\u003e\n\u003ch3\u003eWill these fit my Harley-Davidson?\u003c\/h3\u003e\n\u003cp\u003eYes, if your bike runs a Mikuni large round carburetor. Check your carb model and current jet size to confirm compatibility.\u003c\/p\u003e\n\u003ch3\u003eWhy buy a 4-pack?\u003c\/h3\u003e\n\u003cp\u003eA 4-pack gives you spares for testing different jet sizes during tuning, or supplies for multiple bikes.\u003c\/p\u003e\n\u003ch3\u003eDo I need to rejet after upgrading my intake or exhaust?\u003c\/h3\u003e\n\u003cp\u003eYes — any significant airflow modification typically requires rejetting to maintain proper fuel-air mixture and performance.\u003c\/p\u003e","brand":"Mikuni","offers":[{"title":"Default Title","offer_id":53034992828527,"sku":"134-7185","price":20.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_028cfefb-faf8-4420-99ee-e1018148c79d.png?v=1779558747","url":"https:\/\/vtwinbikers.com\/products\/mikuni-large-round-main-jets-4-pk-185-134-7185","provider":"Vtwinbikers","version":"1.0","type":"link"}