quick jetting question

[HondaMan222]

hey whats the stock jet size for a 400??

thanks

[mustang93]

mine was a 148

[HondaMan222]

thanks, i have a 145, in my stock one, is that bad?? it had a 416 piston in before and i put it back to stock to sell, what jet should i run??

[JOEX]

How do you put a 416 piston back to stock? Or am I missing something?

Stock main is 148K. Did the 145 have a fat 'K' right after the number? It might have been a Dyno Jet.

Joe