{"product_id":"main-jet-105-for-si-carbs-for-scooters-mopeds","title":"Main Jet #105 for SI Carbs for Scooters \u0026 Mopeds","description":"\u003ch2\u003eMain Jet #105 for SI Carbs in Scooters and Mopeds\u003c\/h2\u003e\u003cp\u003eThis #105 main jet has a cone shape and is built for SI carburetors used on a range of scooters and mopeds. It controls how much fuel reaches the engine, so its size matters when tuning performance. You can find it among our \u003ca href=\"\/collections\/scooter-carburetors\"\u003escooter carburetors \u0026amp; jets\u003c\/a\u003e, which help fine-tune fuel delivery for smoother efficiency. A larger jet number lets more fuel pass through.\u003c\/p\u003e\u003ch3\u003eGetting to Know Jet Sizes\u003c\/h3\u003e\u003cp\u003eMain jets are offered in sizes ranging from 82 to 165. Most vintage Vespa models generally run jets in the 85 to 116 range. If the engine has been modified for more power, a bigger jet may be needed to supply the extra fuel. Choosing the correct size can help your vehicle run better overall.\u003c\/p\u003e\u003ch3\u003eThings to Keep in Mind When Fitting\u003c\/h3\u003e\u003cp\u003eSwapping the main jet may take a bit of experimenting before you reach the best result. The swap itself is simple, but matching fuel flow to any engine changes deserves attention. For help with this adjustment, look through available guides on jetting.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 105\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Main jet stack\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e SI carburetors, main jet stack, size #105\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Check the number stamped on your existing main jet (this one is #105) and select the size your engine requires.\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":51138448261177,"sku":"TT-25684","price":3.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/main-jet-105-for-si-carbs-1.jpg?v=1794375325","url":"https:\/\/www.trendtimes.com\/products\/main-jet-105-for-si-carbs-for-scooters-mopeds","provider":"Trend Times Toy Stores","version":"1.0","type":"link"}