{"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 a key component for tuning the fuel delivery in scooter and moped carburetors. This jet is specifically designed for SI carburetors, commonly found in various models. It plays an important role in adjusting the air-fuel mixture, which can significantly impact performance. It is one of the \u003ca href=\"\/collections\/scooter-carburetors\"\u003escooter carburetors \u0026amp; jets\u003c\/a\u003e that can help optimize engine efficiency based on your riding style.\u003c\/p\u003e\u003ch3\u003eUnderstanding Main Jets\u003c\/h3\u003e\u003cp\u003eMain jets are small, cone-shaped devices that determine the amount of fuel entering the engine. They come in a range of sizes, typically between 82 and 165. Vintage Vespas often require jets within the 85-116 range, while modified engines may need larger sizes to accommodate increased fuel demands. Selecting the right jet is important for achieving the desired performance from your scooter.\u003c\/p\u003e\u003ch3\u003eWhen to Replace Your Main Jet\u003c\/h3\u003e\u003cp\u003eReplacing the main jet may be necessary if you've modified your engine or are experiencing performance issues. Changes in the exhaust system, air intake, or engine tuning can require adjustments to the jet size. Experimenting with different sizes can help you find the best fit for your specific setup and riding conditions.\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 SI carburetors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eThis main jet is compatible with various scooters and mopeds that utilize SI carburetors. It is ideal for vintage Vespa models and performance-modified engines.\u003c\/p\u003e\u003cul\u003e\u003cli\u003eVespa models with SI carburetors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eNot sure it fits? Contact us with your scooter's make, model and year and we'll confirm the fit before you order.\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":"Magic Cars","offers":[{"title":"Default Title","offer_id":52800332136679,"sku":"25-913671","price":5.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2245\/9711\/files\/main-jet-100-for-si-carbs-1.jpg?v=1791665507","url":"https:\/\/www.magiccars.com\/products\/main-jet-100-for-si-carbs-for-scooters-mopeds","provider":"MagicCars","version":"1.0","type":"link"}