{"product_id":"main-jet-88-si-carbs-for-scooters-mopeds","title":"Main Jet #88, SI Carbs for Scooters \u0026 Mopeds","description":"\u003ch2\u003eMain Jet #88 for Scooter and Moped Carburetors\u003c\/h2\u003e\u003cp\u003eThis small, cone-shaped piece sits inside the main jet stack of a scooter carburetor and controls how much fuel passes through. It fits a range of scooter and moped models. At #88, it allows a higher fuel flow, which suits performance-modified engines that need more fuel. You can find it among the \u003ca href=\"\/collections\/scooter-carburetors\"\u003escooter carburetors \u0026amp; jets\u003c\/a\u003e if you need to change your engine's tuning.\u003c\/p\u003e\u003ch3\u003eWhat the Jet Numbers Mean\u003c\/h3\u003e\u003cp\u003eMain jets are made in sizes from 82 up to 165. Most vintage Vespa models use jets in the 85 to 116 range. Engines that have been upgraded for more power usually run larger jets, since they draw more fuel while running.\u003c\/p\u003e\u003ch3\u003eFitting and Tuning\u003c\/h3\u003e\u003cp\u003eSwapping the main jet is simple enough to do at home. Getting the right result often takes some trial and error, so expect to make adjustments. For jetting techniques, consult trusted references to keep the engine running properly.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e #88\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Bottom of the main jet stack\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e SI carburetors on scooters and mopeds, sized #88 (main jet stack, bottom position)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eVintage Vespa (SI carburetor, main jet #85-116 range)\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Compare the number stamped on your existing main jet, or use the size your tuning specifies. The available sizes span 82 to 165, and a higher number allows more fuel to flow.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/scooter-carburetors\"\u003eScooter Carburetors \u0026amp; Jets\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51138591686713,"sku":"TT-26283","price":3.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/main-jet-88-si-carbs-1.jpg?v=1794376195","url":"https:\/\/www.trendtimes.com\/products\/main-jet-88-si-carbs-for-scooters-mopeds","provider":"Trend Times Toy Stores","version":"1.0","type":"link"}