This sled was sitting In one of the bays of my local cycle shop. I asked whats up with the old nitro, they said it might be for sale. I got a call the following day that I could buy it. So I did, this baby is in great shape for the year & rocket ship fast. It has a liquid cooled Xeonah engine in it. It has 1200 miles & the track is like brand new. They made these things for 3 years 76-77-78. This one is a 77 & man I love it