{"product_id":"mikuni-large-round-main-jets-4-pk-155-134-7155","title":"Mikuni Large Round Main Jets - 4\/PK #155","description":"\u003cp\u003eMikuni large round main jets #155 for V-twin motorcycles, sold in a 4-pack. These genuine Mikuni jets are used to dial in fuel delivery at full throttle in Harley and Indian carburetors.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e4-pack quantity\u003c\/li\u003e\n  \u003cli\u003eGenuine Mikuni large round main jets\u003c\/li\u003e\n  \u003cli\u003eSize #155 specification\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 FN100604-155\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 #155\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 2.2 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 0.6 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 V-twin motorcycles with Mikuni carburetors, including Harley-Davidson and Indian Motorcycle models that use large round main jets.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat size jets are these?\u003c\/h3\u003e\n\u003cp\u003e#155 Mikuni large round main jets — the size number refers to the fuel orifice diameter and flow rate.\u003c\/p\u003e\n\u003ch3\u003eHow many jets are in a pack?\u003c\/h3\u003e\n\u003cp\u003eFour jets per pack, so you have spares or can jet multiple carbs.\u003c\/p\u003e\n\u003ch3\u003eWill these fit my carburetor?\u003c\/h3\u003e\n\u003cp\u003eThese fit Mikuni carburetors on V-twin motorcycles. Verify your carb model uses large round jets before ordering — some older or custom setups use different jet styles.\u003c\/p\u003e\n\u003ch3\u003eDo I need to change jets for performance modifications?\u003c\/h3\u003e\n\u003cp\u003eYes — if you add an aftermarket intake, exhaust, or air filter, rejetting is often needed to keep the air-fuel ratio correct at wide-open throttle.\u003c\/p\u003e","brand":"Mikuni","offers":[{"title":"Default Title","offer_id":53034992173167,"sku":"134-7155","price":20.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_051e31f7-4521-4ca9-8b58-ef8d9c2906e4.png?v=1779558743","url":"https:\/\/vtwinbikers.com\/products\/mikuni-large-round-main-jets-4-pk-155-134-7155","provider":"Vtwinbikers","version":"1.0","type":"link"}