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Discussion Starter #1
I just got a yohsimura comp series full sytem for my yfz and a k&n filter kit with the airbox lid on. Anybody know what i should rejet verything to? And should i get a jet kit or just buy the needles seprately?
 

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When I was running the Yoshi with K&N I was using a 45 pilot 175 main 5th on the clip with the stock needle it ran great. Lid off definately that's where youll pick up alot of power. Get outerwear for the filter and it will stay 50 -75% cleaner.
 
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