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  1. Making Power
    Hi there I am GOING CRAZY.... i have a 1994 ZX9R with a Factory Pro Jet kit installed and a KN filter. The pressure tubes to the carbs are routed to inside the airbox. It has a aftermarket end can (quite open) and a aftermarket stainless header pipe. I run #38 pilot jet. The air screws are 2.5...
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