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Yamato 80 modified by Steve Dunn. It's standard bore has Wiseco pistons. The crankshaft was checked an trude. It has the 18mm head. Motor has been cc it also has an 8" stick tower that Steve made. Has aluminum folding steering bar. I placed 4 at the national's. The Motor is fast around the race course. I will post pics later when I get by the trailer. An I can email pics to if interested. g4woodhamilton@gmail..com thanks