HI! well the hp. in the 00 is around 97 hp. the 01 is 99 hp. as for the crosslink I like it in the rough stuff. It seem's to handel better and transfers weight alot better than the older shox. The ride of the 2002 ZR 440 is great but need's work on the cornering. It's not a trail sled by no means. It jumps great , it is stable , not tippy at all. The weight I'm not to sure on but I think the 2002 is 424lbs. the 2001 is 460lbs. I've had the 2000 & the 2001 and really liked them. What I did to the one's I had is I put a MOD. 600 in them and they really rip. I used a 2001 440 case - crank - 600 rods , Bored case to fit 600 cyclinders on it this set up really rocks!!!