{"product_id":"main-jet-39-for-sha-shb-for-scooters-mopeds","title":"Main Jet (#39) for SHA\/SHB for Scooters \u0026 Mopeds","description":"\u003ch2\u003eMain Jet #39 for Vespa Small Frame Scooters and Mopeds\u003c\/h2\u003e\u003cp\u003eThis main jet suits Vespa small frame scooters and mopeds that run 16mm or 19mm carburetors. It controls how fuel flows, so it has a direct effect on how the engine performs. You can find it alongside other \u003ca href=\"\/collections\/scooter-carburetors\"\u003ecarburetor parts and jets\u003c\/a\u003e, which let you fine-tune the fuel mixture. Getting the best result often takes a bit of trial and adjustment.\u003c\/p\u003e\u003ch3\u003eAbout the Main Jet\u003c\/h3\u003e\u003cp\u003eThe main jet regulates how much fuel mixes with incoming air before it reaches the engine. This one is size #39, and sizes are offered from 37 through 88. Picking the right jet and fitting it correctly can noticeably affect throttle response and fuel economy.\u003c\/p\u003e\u003ch3\u003eFit and Compatibility\u003c\/h3\u003e\u003cp\u003eThis jet works with Vespa small frames and PHBG carburetors. If the scooter has been modified or tuned, take those changes into account when swapping jets so the setup still runs well.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e #39\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Small Frame Vespa with 16mm and 19mm carbs; also PHBG carbs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eCompatible with:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVespa small frame (16mm and 19mm carbs)\u003c\/li\u003e\n\u003cli\u003ePHBG carbs\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Check your carburetor bore first. This jet is made for 16mm and 19mm carbs, and available sizes range from 37 to 88.\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":51138652831801,"sku":"TT-26626","price":3.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/main-jet-39-for-sha-shb-1.jpg?v=1794376584","url":"https:\/\/www.trendtimes.com\/products\/main-jet-39-for-sha-shb-for-scooters-mopeds","provider":"Trend Times Toy Stores","version":"1.0","type":"link"}