{"product_id":"main-jet-84-for-sha-shb-carbs-for-scooters-mopeds","title":"Main Jet #84 for SHA\/SHB Carbs for Scooters \u0026 Mopeds","description":"\u003ch2\u003eMain Jet #84 for Vespa Small Frame Scooters and Mopeds\u003c\/h2\u003e\u003cp\u003eThis main jet is designed for small frame Vespa scooters equipped with SHA or SHB carburetors as well as PHBG models. It plays a key role in the fuel delivery system by allowing the correct amount of fuel to mix with air for proper engine performance. As one of the \u003ca href=\"\/collections\/scooter-carburetors\"\u003escooter carburetors \u0026amp; jets\u003c\/a\u003e, it is important for achieving correct jetting, which may require some trial and error to get right. Additional guidance on jetting is available in the blog.\u003c\/p\u003e\u003ch3\u003eFunction of the Main Jet\u003c\/h3\u003e\u003cp\u003eThe main jet regulates fuel flow during mid to full throttle conditions. It is important for maintaining the engine's performance and efficiency. If you notice hesitation or poor acceleration, it may be time to evaluate the main jet and consider a replacement.\u003c\/p\u003e\u003ch3\u003eInstallation Considerations\u003c\/h3\u003e\u003cp\u003eThis jet fits into the existing carburetor setup. It is designed to replace the stock jet, ensuring compatibility with the original engine specifications. Proper installation is key for effective tuning and performance improvements.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 84\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 product is compatible with various Vespa small frame 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":52800334201063,"sku":"25-913739","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2245\/9711\/files\/main-jet-84-for-sha-shb-carbs-1.jpg?v=1791665525","url":"https:\/\/www.magiccars.com\/products\/main-jet-84-for-sha-shb-carbs-for-scooters-mopeds","provider":"MagicCars","version":"1.0","type":"link"}