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Discussion Starter · #1 ·
my friend just got a full yoshi system and needs to know what jets to use..

its completely stock 04 z400 except for the snorkle romoved and a full yoshi system..

i tried to ask this on z400 central but it wont let me register for some reason..

thanks
 

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Z400 Central is down right now. Where is your friend located? What's the elevation? There are some other guys on here who can probably help better than me...but I can give you a basic starting point if you provide the info. He may not be able to go up too much w/stock filter and the airbox lid on though. Why didn't he get an aftermarket filter....that's almost always done w/a full pipe.
 

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Discussion Starter · #3 ·
im not sure on the elevation, were in louisville, ky
 
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