{"product_id":"main-jet-112-for-si-carbs-for-scooters-mopeds","title":"Main Jet #112 for SI Carbs for Scooters \u0026 Mopeds","description":"\u003ch2\u003eMain Jet #112 for SI Carburetors in Scooters and Mopeds\u003c\/h2\u003e\u003cp\u003eThe #112 Main Jet sits in the main jet stack of a scooter carburetor, where its cone shape regulates how much fuel reaches the engine. It is commonly used on vintage Vespa models, which typically run jets from 85 to 116. As one of the \u003ca href=\"\/collections\/scooter-carburetors\"\u003escooter carburetors \u0026amp; jets\u003c\/a\u003e available, it has a noticeable effect on how your machine runs, so it plays a real part in keeping performance and throttle response where they should be.\u003c\/p\u003e\u003ch3\u003eHow Main Jets Work\u003c\/h3\u003e\u003cp\u003eMain jets, including this #112, are offered in different sizes, and each size sets the volume of fuel entering the engine. Jets generally range from 82 to 165. A larger jet passes more fuel, which tends to suit engines that have been modified for higher output and need a richer mixture to run properly.\u003c\/p\u003e\u003ch3\u003eSigns It May Be Time to Change the Main Jet\u003c\/h3\u003e\u003cp\u003eIf you are tuning a scooter for better performance or have modified the engine, swapping the main jet may be part of that work. Unusual running behavior can also indicate that the jet needs changing. Choosing the correct jet is key to smooth running and good fuel economy.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e #112\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 Dellorto\/Spaco SI carburetors with compatible SI main jet stacks (20\/15, 20\/17, 20\/20, 24\/24)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVespa vintage large frame (VNB, VBA, VBB, VNC 125 Super, VBC 150 Super, VNL GT\/GTR, VLB Sprint, VLA GL150, VSD Rally 180, VSE Rally 200)\u003c\/li\u003e\n\u003cli\u003eVespa P\/PX (VNX 125, VLX 150, VSX 200 E)\u003c\/li\u003e\n\u003cli\u003eVespa VSB GS 160 \/ VSC SS 180 (only with a compatible SI carburetor setup)\u003c\/li\u003e\n\u003cli\u003eStella 150 2T (compatible SI carburetor setup only)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Pick the jet size that suits your engine. #112 is one available size and is not the right choice for every vehicle listed, and it must work with a compatible SI main jet stack.\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":51138464579641,"sku":"TT-25714","price":3.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/main-jet-112-for-si-carbs-1.jpg?v=1794375368","url":"https:\/\/www.trendtimes.com\/products\/main-jet-112-for-si-carbs-for-scooters-mopeds","provider":"Trend Times Toy Stores","version":"1.0","type":"link"}