{"product_id":"main-jet-93-for-si-carbs-for-scooters-mopeds","title":"Main Jet #93 for SI Carbs for Scooters \u0026 Mopeds","description":"\u003ch2\u003eMain Jet #93 for SI Carbs in Scooters and Mopeds\u003c\/h2\u003e\u003cp\u003eThis main jet is built for SI-style carburetors used on a range of scooters and mopeds. Its bore size controls how much fuel passes through, and the available sizes run from 82 to 165. The 93 version suits vintage Vespas and can also serve engines with performance tuning that call for a different fuel mix. It belongs to the group of \u003ca href=\"\/collections\/scooter-carburetors\"\u003escooter carburetors \u0026amp; jets\u003c\/a\u003e that have a direct effect on how an engine runs.\u003c\/p\u003e\u003ch3\u003eHow Jet Size Works\u003c\/h3\u003e\u003cp\u003eMain jets are offered in many sizes, and each one sets the volume of fuel that reaches the engine. A higher number lets more fuel through, which matters when tuning an engine, particularly one that has been modified. If you notice problems with power or fuel use, changing the jet size may help.\u003c\/p\u003e\u003ch3\u003eSigns It May Be Time to Swap\u003c\/h3\u003e\u003cp\u003eA main jet usually needs replacing when the engine or carburetor setup has been altered. If you have changed your scooter to improve performance, a different jet may be required to meet its new fuel demands. Routine tuning and test runs make it easier to pinpoint the best jet for your particular build.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 93\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Main jet area of SI carburetors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e SI carburetors, main jet #93 (scooters and mopeds)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Pick a #93 main jet only when your carburetor is an SI type and your tuning specifies 93; you can usually read the size stamped on the existing jet.\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":51138496364601,"sku":"TT-25779","price":3.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/main-jet-93-for-si-carbs-1.jpg?v=1794375464","url":"https:\/\/www.trendtimes.com\/products\/main-jet-93-for-si-carbs-for-scooters-mopeds","provider":"Trend Times Toy Stores","version":"1.0","type":"link"}