What is the original symbol of Yamaha motorcycle?

YAMAHA motorcycle mainly has two symbols, one is the letter combination Yamaha, and the other is the piano tuning fork symbol composed of three variants Y (Yamaha originally made musical instruments). Both signs are used, and they are different in different cars, including letter combinations and circular icons, and their colors are different in different cars. As shown in the figure below, on motorcycles, the most common symbol is the white letter Yamaha.