1975 Arctic Cat Z. This was a retired racing sled that a friend of mine raced at Eagle River for a few years. Only had a 3 gal. gas tank, enough to make a few very fast trips up and down the Manitowoc River near Chilton.
HH
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Sweeeeeet sled! I'd kill to own one of them today. I raced a '76 Z 25 years ago.
I personal favorite was my '97 ZR580. I pounded the living shee-ot out of that sled and it just kept taking it. That was a mean trail sled in it's day. But, a very rough ride. The suspension was made to be pounded, not trail ridden.