a friend had one if these back in the day, the cat dealer only could get one, and my buddy got it, he blew engine the first summer, but it was very fast
1971 Arctic Cat Screamer Vintage Mini Bike West Bend 820 Bonanza Rupp Speedway | eBay
1971 Arctic Cat Screamer Vintage Mini Bike West Bend 820 Bonanza Rupp Speedway | eBay