{"product_id":"mikuni-large-round-main-jets-4-pk-100-134-7100","title":"Mikuni Large Round Main Jets - 4\/PK #100","description":"\u003cp\u003eGenuine Mikuni large round main jets (#100) for carbureted V-twin motorcycles, sold in a 4-pack. These jets meter fuel into the main circuit under load and are essential when re-jetting for altitude, air filters, or exhaust modifications.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e4-pack quantity\u003c\/li\u003e\n  \u003cli\u003e#100 main jet size\u003c\/li\u003e\n  \u003cli\u003eGenuine Mikuni manufacture\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 FN100604-100\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 #100\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 Harley-Davidson and Indian Motorcycle V-twin models with Mikuni large-round carburetors. Verify your carb bore size and jet style before ordering.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat does a main jet do?\u003c\/h3\u003e\n\u003cp\u003eThe main jet controls fuel flow through the main circuit when the engine is under load and above ¼ throttle. Changing jet size compensates for altitude, air filter, or exhaust changes.\u003c\/p\u003e\n\u003ch3\u003eHow do I know if I need a #100 jet?\u003c\/h3\u003e\n\u003cp\u003eYou'll need to test-ride and compare plug color, performance, and idle quality. Consult your carb manual or a tuning guide for your specific setup.\u003c\/p\u003e\n\u003ch3\u003eWill these fit my Harley or Indian?\u003c\/h3\u003e\n\u003cp\u003eOnly if your bike runs a Mikuni large-round carburetor. Check your owner's manual or carb body for the Mikuni badge before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhy are they sold in 4-packs?\u003c\/h3\u003e\n\u003cp\u003eOne jet per carb is typical; the 4-pack suits multi-carb setups (like a four-carb bike) or riders who stock spares.\u003c\/p\u003e","brand":"Mikuni","offers":[{"title":"Default Title","offer_id":53034990764143,"sku":"134-7100","price":71000.0,"currency_code":"COP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_244bc699-9f41-4ca2-9075-46e49895b7ad.png?v=1779558730","url":"https:\/\/vtwinbikers.com\/en-co\/products\/mikuni-large-round-main-jets-4-pk-100-134-7100","provider":"Vtwinbikers","version":"1.0","type":"link"}