Picked these two up about a week ago. 1973 ski ski elan 250 twin, and a 1976 moto ski spirit 250 single. Both have no spark but are very solid : r/snowmobiling
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1979 Moto-Ski Mirage snowmobile | Richard Spiegelman | Flickr
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Old Sled Sighting: Moto-Ski Mirage—an orange phantom of the snow? | SnoRiders