Will 2002 zx7r engine fit on a 2000 zx7r?

The answer o your question is YES i have a 1996 zx7r that has a 2001 engine in it... All of the zx7r motors are exchangeable. You can actually place zx9r motor in a zx7r with few mods. About 2 hours of extra work an you will have a zx9 motor in an zx7r..