{"product_id":"main-jet-100-for-si-carbs-for-scooters-mopeds","title":"Main Jet #100 for SI Carbs for Scooters \u0026 Mopeds","description":"\u003ch2\u003eMain Jet #100 for SI Carbs in Scooters and Mopeds\u003c\/h2\u003e\u003cp\u003eThe Main Jet #100 is an essential part for adjusting fuel flow in scooter and moped carburetors. Designed for SI carburetors, it is a fit for a number of common models. Because it controls the air-fuel ratio, it can have a noticeable effect on how the engine runs. It is one of the \u003ca href=\"\/collections\/scooter-carburetors\"\u003ecarburetor parts and jets for scooters\u003c\/a\u003e that can help you fine-tune engine efficiency to suit how you ride.\u003c\/p\u003e\u003ch3\u003eHow Main Jets Work\u003c\/h3\u003e\u003cp\u003eMain jets are small, cone-shaped parts that regulate how much fuel reaches the engine. They are made in many sizes, usually ranging from 82 to 165. Classic Vespas tend to use jets in the 85-116 range, while modified engines often call for larger sizes to handle higher fuel needs. Picking the correct jet is key to getting the performance you want from your scooter.\u003c\/p\u003e\u003ch3\u003eSigns You May Need a New Main Jet\u003c\/h3\u003e\u003cp\u003eA main jet swap may be worth considering if your engine has been modified or if you are noticing performance problems. Alterations to the exhaust, the intake, or the engine's tuning can all make a different jet size necessary. Trying out various sizes is a practical way to discover what works best for your build and the conditions you ride in.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 100\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 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\u003eCompatibility\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 (compatible SI carburetor and main jet stack required)\u003c\/li\u003e\n\u003cli\u003eVespa P\/PX: VNX 125, VLX 150, VSX 200 E (compatible SI carburetor and main jet stack required)\u003c\/li\u003e\n\u003cli\u003eVespa VSB GS 160, VSC SS 180 (only with 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 Select the jet size that suits your engine, since #100 is not the right size for every vehicle on the list. Only use it with SI main jet stacks, not with SHA, SHB, PHBG, CVK, or Keihin systems.\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":51138505703481,"sku":"TT-25800","price":4.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/main-jet-100-for-si-carbs-1.jpg?v=1794375495","url":"https:\/\/www.trendtimes.com\/products\/main-jet-100-for-si-carbs-for-scooters-mopeds","provider":"Trend Times Toy Stores","version":"1.0","type":"link"}