What size jets

[cmills83]

I installed pod filters and aftermarket exhaust. I read through the tech and I am going to try to go one size up on the main jet and pilot jet but I am not sure what the stock jet sizes are and which # one size up on each would be, can someone point me in the right direction? I have a '80 with stock BS34 carbs.

 

[cmills83]

Nevermind, think I got it, I'll try #135 main and pilot #45

 

[5twins]

Yes, you've got it. But the BS34s are so lean to begin with that you may very well need two sizes up on the mains. If you're ordering jets, I would get the 135s but also some 137.5s.

 

[cmills83]

great, thanks

 

[LobstahMoney]

So how’d it go?