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Discussion Starter · #1 ·
I have an 01 660 with stock carbs,fmf slip on,k&n with no lid,stock intake. the jetting right now is 140/145 this I think is a little small.(probably stock)
My question is do you think i should go up to 150/155 or bigger?
and will the stock needle work.
my elevation is 1200ft and ride tight trails
thank you for any help
 
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