There are no particular installation instructions for this regulator. 


Please refer to our Voltage Regulator Rectifier: Generic Installation Instructions 


Voltage Regulator Rectifier Yamaha PWC Jetboat 1990-2013ナ | RMSTATOR.COM

Number of wires : 4
Number of pins : 4
Bracket center to center : 55mm
Thickness : 15 mm
Width: 55mm
Length : 45mm