Well I just put a set of NGK racing wires on my sled and well it made a world of difference in this case. *I think they made a big improvement over the stock ones just because the stock ones had 4400 miles and were getting old and brittle.I noticed my sled no longer backfires when you shut it down and starts with one pull when it is warm not like 3 to 4 it use to take when it was warm. My sled hits top RPM very quick and doesn't hessitate in doing so any more and it doesn't have a bad bog like it use to. *Easy to install on this model to i just unscrewed the wires from the CDI box and screwed the NGK's in. *Nothing to it.
*Just wanted to let you guys how it turned out. http://www.snowmobileworld-s2.com/forums/iB_html/non-cgi/emoticons/smile.gif

Where did you get your NGK plug wires from and how much did they run you? *I was thinking about them myself.

I bought a set for my ZRT but haven't put them on, I am apprehensive on breaking the stock ones loose from the coils.

We just put them on a 96 zert. *We had to use the splicers on this one because the cable is mounted permanently.

Knaffie I got my wires at a local auto suppy store I got them for $14 each Canadian funds.