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Discussion Starter · #1 ·
i purchase a quick shot 2 for my yfz 450 06 and i'm wondering how to set the fuel mixture screw and what was the factory settings and what should it be set with the quick shot installed for maxuim performance. i have a pulse charger exhaust and has been jetted any info would help.
 

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stock is around 2 2.5 but not to say thats right if your jetting is spot on warm up your bike turn your air fuel screw all the way in and bottom it LIGHTLY slowly turn it out till you get highest smooth idle. if you are less than 1 turn drop you pilot if you are more than 3 turns out go bigger on you pilot.. hope you have an adjustable screw you. you will need to adjust this with temp and humidity changes in is leaner out is richer..
 
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