{"product_id":"main-jet-107-si-carbs-1","title":"Main Jet #107, SI Carbs","description":"\u003cp\u003eMain Jet # 107 For Si Carbs\u003c\/p\u003e_x000D_\n\u003cp\u003eThis is the small, cone-shaped jet at the bottom of the main jet stack. They come in various sizes ranging 82-165. Most vintage Vespas will use one in the 85-116 range, though performance-modded engines can drink a lot more gas and use much bigger jets. The larger the number, the more fuel will flow through.\u003cbr\u003e\u003cbr\u003eJetting is something that takes trial and error. See our \u003ca href=\"https:\/\/www.scooterworks.com\/blog\/2012\/08\/30\/carburetor-jetting-101\/\"\u003eblog\u003c\/a\u003e page of for more info.\u003c\/p\u003e_x000D_","brand":"Spaco","offers":[{"title":"Default Title","offer_id":48071221313723,"sku":"122691","price":5.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/thriftyscooters.com\/products\/main-jet-107-si-carbs-1","provider":"Thrifty Scooters","version":"1.0","type":"link"}