{"product_id":"main-jet-150-for-si-carbs-for-scooters-mopeds","title":"Main Jet #150 for SI Carbs for Scooters \u0026 Mopeds","description":"\u003ch2\u003eMain Jet #150 for SI Carbs on Scooters and Mopeds\u003c\/h2\u003e\u003cp\u003eThis main jet is a cone-shaped piece that sits at the base of the jet stack and controls how much fuel reaches the engine. The #150 size suits a range of scooter and moped carburetors, including those fitted to classic Vespas. You can find more options in our \u003ca href=\"\/collections\/scooter-carburetors\"\u003escooter carburetors \u0026amp; jets\u003c\/a\u003e range. It is especially useful for tuning modified engines that need a richer fuel supply.\u003c\/p\u003e\u003ch3\u003eFunction and Importance\u003c\/h3\u003e\u003cp\u003eThe main jet governs the amount of fuel blended with incoming air before combustion. Its size determines fuel flow, and a higher number lets more fuel through. Riders who modify their scooter to get more out of it will often find this component especially relevant.\u003c\/p\u003e\u003ch3\u003eInstallation and Adjustment\u003c\/h3\u003e\u003cp\u003eFitting this jet is simple: it replaces the existing one in the same position, so even home mechanics can handle the job. Dialing in the correct mixture, though, usually takes a bit of experimenting. Check the jetting guide for advice on getting the best result for your particular setup.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e #150\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Bottom of main jet stack\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e SI carburetors on scooters and mopeds (main jet #150 size)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Pick the size that matches your carburetor's jetting setup. This one is a #150, and the available range runs from 82 to 165. Expect to experiment before settling on the right number.\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":51138591031353,"sku":"TT-26280","price":3.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/main-jet-150-for-si-carbs-1.jpg?v=1794376189","url":"https:\/\/www.trendtimes.com\/products\/main-jet-150-for-si-carbs-for-scooters-mopeds","provider":"Trend Times Toy Stores","version":"1.0","type":"link"}