Watanabe Ironworks (Nakagawa Ward, Nagoya City), 1952-55
渡辺鉄工
No data available on Watanabe Ironworks other than they made both an Aiku engine (possibly sold to other companies) and a New Aiku model of motorcycle. The 1952 New Aiku (ニューアイク) 3B-N was a 4 stroke with a manual 2 speed gear change. The 1955 125cc, OHV four stroke model was called the 3B-J.
