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Posted

I usually put #30 pilot jets in Banshees with pipes, and #35 pilots if they are ported also, or sometimes just with clamp ons and pipes. This is with the stock carbs.

 

It's not an exact science but it should get you close.

Posted

Yamaha part #'s are as follows:

 

# 25- 260-14142-25

# 27.5- 260-14142-27

#30- 260-14142-30

#32.5- 260-14142-32

#35- 260-14142-35

 

I am running 27.5 in my bike right now, and I can let it idle all day long. Doesn't load up, and runs perfect....

Posted

FMF recomends 30/32 pilots for K&N no lid and Fattys...I would probably go with the size 30, as the 32.5 if enough for all that + porting and advanced timing on mine (Even a little rich i htink but idles fine, dies when you pull the choke out though). just pulled my stock one and it was a 25.

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