2000 Yamaha YZF-R6 "spark plugs" Questions

plugs,........ lack of fuel in 2 cyls. Start eliminating things identify which two, do these get spark from the same coil if so swap coils see if the other two go dead,,, check spark on the dead cyls.

spark on both plugs and it sould be blue spark. If you do have spark clean or replace plugs . If you have spark on one plug but not the other, swap the plug to the other wire if no spark replace plug