A friend of mine bought a used ’95 EXT 580 this year. He is having an awful time trying to handle the sled. It doesn’t want to turn. He has installed new ski skins and carbide runners, but it didn’t help at all. We have adjusted the suspension front and rear – it didn’t seem to help that much, either. The sled handles OK at less than 15 mph. Anything faster and it gets to be a guessing game whether it will turn or not. He doesn’t believe it was ever in an accident or raced. It has around 1,000 miles and appears to be all original. Thought maybe you could help us out – any suggestion?
p.s. I suggested he buy a Polaris.
We had similar problems with an EXT of that vintage. Ours just wasn’t getting enough weight on the skis to get the carbides to bite. Through a combination of suspension adjustments we were able to arrive at an acceptable set-up. The front end was soft so we increased the ski pressure by increasing the front preload. However, the rear skid was a greater cause of the handling ills. Drop the skid, pull all the shafts and get them greased up so that they pivot freely. Shorten the limiter strap length to get more weight on the skis, and you may even want to decrease the spring tension on the center shock, but be careful so that the steering effort doesn’t get too unruly.