CBR 600F2 1991 - 1994 CBR 600F2

need help with size of jets

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Old 06-05-2007, 01:43 AM
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Default need help with size of jets

hey guys just ripped apart my carbs and if anyone is wondering the stock size is 135 for the main and 38 for the slow....anyhow i have a k and n filter and yoshi pipe and could really feel that i needed more fuel...back firing and hesistation in thottle response. what would be the best size to go with 140, 138, 142??? i'm not sure and i don't want to waste money, anyone have a similar setup that works good?

thanks in advance...
 
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Old 06-05-2007, 12:53 PM
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Default RE: need help with size of jets

okay i found on another forum that a guy put 140's on the outside and 138's on the inside, i'm going to buy them today and test 'er out....

if anyone has feedback about this setup please let me know
 
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