I have a 94 ZX7R it runs great until I hit about 3rd gear then it begins bogging and a slight jerking once it stops it runs great then it does it in each gear after that I changed the oil pan gasket and found a peace of plastic that was a kinda gold looking color to it once i removed that it does not seam to jerk nearly as bad now its really just the bogging. If anyone can help or knows whats going on with it please let me know Thank You.