I know im not the first person to swap the carburetors. Wondering if any one knows what are the best jet sizes to start out with to get it tuned right? Bike also has hot cams. Model:1998 YZ400f with 03 450 carb Edit Revision Date: Main Jet:???? Pilot Jet:???? Starter Jet:???? Leak Jet (if any): Fuel screw/Setting:???? Needle/Position:???? Filter:UNI Pipe/muffler:03 YZ450 Altitude Range:1500 feet Temp Range:40F-120F Humidity Range:0%-40% Comments: Phoenix desert riding mainly.