This is a Yamaha Evolution Class E+ Propeller Left Hand Rotation 16" Diameter x 21-1/2" Pitch, 3 Blades, 250-300 HP, Aluminum.
Pressed in hub

4.75" Gearcase
Thru-Hub Exhaust
15 Tooth Spline
OEM Rubber Hub
This is a Yamaha Evolution Class E+ Propeller Left Hand Rotation 16" Diameter x 21-1/2" Pitch, 3 Blades, 250-300 HP, Aluminum. Pressed in hub 4.75" Gearcase Thru-Hub Exhaust 15 Tooth Spline OEM Rubber Hub