Came off of a low hrs 300 yamaha 25 inch it had a small sceg chip so welded ready to go . Call 3O5359I537Yamaha 4.2L 225 250 300 25 Lower Unit gearcase Assy OEM 6CE-45300-11-8DHi I am selling this OEM 25 RH standard rotation Lower Unit removed from a Yamaha 4.2 300 v6 this will fit 225-300 4.2L 4 stroke motors cosmetically Lower is in good shape