Yamaha Float Pin YA2-58625-15-08. Overview. The Yamaha Float Pin YA2-58625-15-08 is a genuine original equipment manufacturer component designed to secure and support the float mechanism within the carburetor or fuel system assembly. This small but critical pin allows the float to pivot correctly, helping regulate fuel flow and maintain proper fuel levels for smooth engine operation.. Proper float movement is essential for maintaining a balanced fuel mixture. If the float pin becomes worn, bent,