This is a NEW Voltage Regulator/Rectifier Yamaha Part Number/ 1D7-81960-00-00 fits many makes of Yamaha Motorcycles ATV'S Snowmobiles and Water crafts. NEW not refurbished Made by Shindengen part number# FH020AA same supplier to OEM. Here are some models of the Yamaha motorcycles this regulator does fit:
If using this regulator for applications other than OEM, for your reference, the mounting center to center is 68mm to 70mm using 6mm bolts the bolt center could be filled wider or an adapter plate could be made for other mounting applications.