hey Dan, took my first big adventure with the 89 Ski Doo Mach 1 yesturday. We went 220 miles and the last 60 miles or so was hell. I had the largest engine out of the group but I couldnt keep up for anything. The suspension killed me. Today I can't move. So whats the key to making this machine work? I am 175lbs, the previous owner was larger so the springs are set on the stiffest setting. I am not experienced in re building shocks but can buy new ones if necessary. Or do you know of a complete suspension upgrade I can make for it. Anything, I am just worried I won't be able to ride with my frineds this season. I guess at the least I will be upgrading the sled this summer!!! Thanks for your help.