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Discussion Starter · #1 ·
at the moment i have the carbs stripped for cleaning and i assume that it has dyno jets fitted seeing that it has a race system but do any of you know what jet sizes these should be the bike is a 1990 gsxr750m
thank for your help

trigg

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do you have an airbox, or individual filters?

if you've got an airbox, the mains should be 120 or 124.
if indy filters, 155 or 160.

(these are the dynojet mains that come with the kit for your bike - it's possible you may have a factory jet kit in which case the numbers may be different.)

this is for non-california models only, the cali models had smaller 36mm carbs.


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Discussion Starter · #3 ·
i have an air box and the main jet in there is 117.5 as i live in the uk it is a uk model
so by the sound of it they are standard jets even though it dose'nt seem to have a flat spot in any of the rev range

trigg

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