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Kurk_Kurk

i need assistance with a New Proform 650 carb i've got

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i'm incredibly new to this carb tuning so i'd like to start with the fact that i have no idea what Jetting is and what a 'jet'does. does it regulate air? does it help the mixtures? 

my proform is pouring WAY too much fuel and i cant seem to sort it out. i'm talking 5 gallons of fuel in 20 minutes, idling. i opened it up and i cant get the billets off but i did find some odd numbers on what i think the 'jets' are. primary fuel bellow or barrel, whatever was .36 and the secondaries was .70

i think i just need understanding of these Jets

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