{"product_id":"main-jet-80-for-sha-shb-carbs-for-scooters-mopeds","title":"Main Jet #80 for SHA\/SHB Carbs for Scooters \u0026 Mopeds","description":"\u003ch2\u003eMain Jet #80 for Small Frame Vespa Scooters and Mopeds\u003c\/h2\u003e\u003cp\u003eThis main jet is made for small frame Vespa scooters running 16mm and 19mm carburetors, as well as PHBG carburetors. It controls how much fuel is mixed with air going into the engine. Changing the fuel-air balance with this jet can affect performance and efficiency. It belongs to the \u003ca href=\"\/collections\/scooter-carburetors\"\u003erange of scooter carburetors and jets\u003c\/a\u003e, and dialing it in may take some experimenting, so refer to jetting guides when you need direction.\u003c\/p\u003e\u003ch3\u003eHow Main Jets Work\u003c\/h3\u003e\u003cp\u003eWithin a scooter's carburetor, the main jet works together with the idle jet to meter fuel. For small frame Vespas, these jets come in sizes from 37 to 88, so you can select a size that suits the performance you want.\u003c\/p\u003e\u003ch3\u003eSigns It May Be Time to Change the Main Jet\u003c\/h3\u003e\u003cp\u003eA main jet swap is commonly done when fine-tuning the engine for a better throttle response, or while servicing the carburetor. Poor acceleration or unsteady idle can suggest the jetting should be checked and corrected.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e #80\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 Small Frame Vespa scooters with 16mm and 19mm SHA\/SHB carbs, and PHBG carbs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eCompatible with:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVespa Small Frame (16mm and 19mm SHA\/SHB carbs)\u003c\/li\u003e\n\u003cli\u003ePHBG carbs\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e This part is identified by its number. Only buy it if your carburetor uses a #80 main jet; the current jet number is stamped on the jet itself.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/scooter-carburetors\"\u003eScooter Carburetors and 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":51138506424377,"sku":"TT-25805","price":3.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/main-jet-80-for-sha-shb-carbs-1.jpg?v=1794375503","url":"https:\/\/www.trendtimes.com\/products\/main-jet-80-for-sha-shb-carbs-for-scooters-mopeds","provider":"Trend Times Toy Stores","version":"1.0","type":"link"}