Adding sports air filter to delleroto 17.5mm carb?

Lucas

New member
Ihave a gilera dna 50, i added a K & N style air filter and tried with jet sizes increasing between 10 and 20 sizes up but the problem i got was that i could not wind it fully back else it just bogs out.

anyone have any ideas.
I have a viper sports exhaust on the bike so no goin back to the stock wich is a 56 i have been running it on a 76 which seems to be alright. when i first tried to use it i didnt up jet it and it bogged out before it even would get me moving , so i tried an 80,82,86,90,92 but got the same problem , but i noticed with the 86 it was not as bad, i havnt done anything with the fuel mixture thingy as i dont no what to do.
 
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