{"product_id":"jet-main-37-sha-shb-for-scooters-mopeds","title":"Jet, Main #37 SHA\/SHB for Scooters \u0026 Mopeds","description":"\u003ch2\u003eMain Jet #37 for Vespa Small Frame Scooters and Mopeds\u003c\/h2\u003e\u003cp\u003eThis main jet is designed for small frame Vespa scooters and mopeds equipped with 16mm and 19mm carburetors, including PHBG models. It serves as an important component in the fuel delivery system, impacting engine performance and efficiency. This jet is among the \u003ca href=\"\/collections\/scooter-carburetors\"\u003escooter carburetors \u0026amp; jets\u003c\/a\u003e that can help achieve the desired fuel-air mixture. Replacing it can improve your scooter's overall function.\u003c\/p\u003e\u003ch3\u003eDetails and Functionality\u003c\/h3\u003e\u003cp\u003eThe main jet is a critical part of the carburetor system, facilitating the flow of fuel to the engine. Small frame Vespas typically utilize two jets: a main jet and an idle jet. The main jet size for this model ranges from 37 to 88. Proper jetting can involve trial and error, and it is recommended to refer to jetting instructions for the best results.\u003c\/p\u003e\u003ch3\u003eInstallation and Compatibility\u003c\/h3\u003e\u003cp\u003eThis main jet is designed to fit into existing carburetor setups. When replacing the main jet, it's important to ensure compatibility with your specific engine configuration. It is a straightforward part that riders often replace when tuning or repairing their scooters for improved performance.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 37\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Main jet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Vespa small frame scooters with 16mm and 19mm carbs, PHBG carbs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eThis main jet is suitable for various Vespa small frame scooters and mopeds. Below are the compatible models:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eVespa PK\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":52800346161383,"sku":"25-914142","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2245\/9711\/files\/jet-main-37-sha-shb-1.jpg?v=1791665630","url":"https:\/\/www.magiccars.com\/products\/jet-main-37-sha-shb-for-scooters-mopeds","provider":"MagicCars","version":"1.0","type":"link"}