Re Jetting 4 pipe

I'm am just about to purchase a FMF Power Core IV and think my bike carb will need adjusting, I am an engineer for the Ministry of Defence however I don't know if i'm prepared to start messing with the carb after spending £4000 on my WR400F 2000model!

Would anyone have any idea of what needs to be done or have any pics of their experiences with this situation!

Your responce would be greatly appreciated

Yours Sincearly

Tom Ireland

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